Merge remote-tracking branch 'sdx55-drivers/tracking-qcomlt-sdx55-drivers' into integration-linux-qcomlt

# Conflicts:
#	drivers/phy/qualcomm/phy-qcom-qmp.c

26 files changed, 1231 insertions, 15 deletions

diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
index c97d4a580f47..9bd00749d1f6 100644
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -39,6 +39,7 @@ description: |
         sc7180
         sdm630
         sdm660
+        sdx55
         sdm845
         sm8250
 
@@ -178,6 +179,11 @@ properties:
               - qcom,sm8250-mtp
           - const: qcom,sm8250
 
+      - items:
+          - enum:
+              - qcom,sdx55-mtp
+          - const: qcom,sdx55
+
 additionalProperties: true
 
 ...
diff --git a/Documentation/devicetree/bindings/clock/qcom,a7pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a7pll.yaml
new file mode 100644
index 000000000000..8666e995725f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,a7pll.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,a7pll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm A7 PLL Binding
+
+maintainers:
+  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+description:
+  The A7 PLL on the Qualcomm platforms like SDX55 is used to provide high
+  frequency clock to the CPU.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sdx55-a7pll
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 0
+
+  clocks:
+    items:
+      - description: board XO clock
+
+  clock-names:
+    items:
+      - const: bi_tcxo
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    a7pll: clock@17808000 {
+        compatible = "qcom,sdx55-a7pll";
+        reg = <0x17808000 0x1000>;
+        clocks = <&rpmhcc RPMH_CXO_CLK>;
+        clock-names = "bi_tcxo";
+        #clock-cells = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
index 30c2a092d2d3..f9b150b817d8 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
@@ -45,6 +45,10 @@ properties:
       - qcom,sdm845-mem-noc
       - qcom,sdm845-mmss-noc
       - qcom,sdm845-system-noc
+      - qcom,sdx55-ipa-virt
+      - qcom,sdx55-mc-virt
+      - qcom,sdx55-mem-noc
+      - qcom,sdx55-system-noc
       - qcom,sm8150-aggre1-noc
       - qcom,sm8150-aggre2-noc
       - qcom,sm8150-camnoc-noc
diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
index ffd09b664ff5..3c75ea0b6040 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
+++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
@@ -27,26 +27,24 @@ properties:
       - qcom,sdm660-apcs-hmss-global
       - qcom,sdm845-apss-shared
       - qcom,sm8150-apss-shared
+      - qcom,sdx55-apcs-gcc
 
   reg:
     maxItems: 1
 
-  clocks:
-    description: phandles to the parent clocks of the clock driver
-    items:
-      - description: primary pll parent of the clock driver
-      - description: auxiliary parent
-
   '#mbox-cells':
     const: 1
 
   '#clock-cells':
     const: 0
 
+  clocks:
+    minItems: 2
+    maxItems: 3
+
   clock-names:
-    items:
-      - const: pll
-      - const: aux
+    minItems: 2
+    maxItems: 3
 
 required:
   - compatible
@@ -55,6 +53,49 @@ required:
 
 additionalProperties: false
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,ipq6018-apcs-apps-global
+            - qcom,ipq8074-apcs-apps-global
+            - qcom,msm8916-apcs-kpss-global
+            - qcom,msm8994-apcs-kpss-global
+            - qcom,msm8996-apcs-hmss-global
+            - qcom,msm8998-apcs-hmss-global
+            - qcom,qcs404-apcs-apps-global
+            - qcom,sc7180-apss-shared
+            - qcom,sdm660-apcs-hmss-global
+            - qcom,sdm845-apss-shared
+            - qcom,sm8150-apss-shared
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Primary PLL parent of the clock driver
+            - description: Auxiliary parent
+        clock-names:
+          items:
+            - const: pll
+            - const: aux
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,sdx55-apcs-gcc
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Primary PLL parent of the clock driver
+            - description: Auxiliary parent
+            - description: Reference clock
+        clock-names:
+          items:
+            - const: pll
+            - const: aux
+            - const: ref
 examples:
 
   # Example apcs with msm8996
diff --git a/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml b/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
new file mode 100644
index 000000000000..cf3f8c1e035d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/qcom,smem-part.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SMEM NAND flash partition parser binding
+
+maintainers:
+  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+description: |
+  The Qualcomm SoCs supporting the NAND controller interface features a Shared
+  Memory (SMEM) based partition table scheme. The maximum partitions supported
+  varies between partition table revisions. V3 supports maximum 16 partitions
+  and V4 supports 48 partitions.
+
+properties:
+  compatible:
+    const: qcom,smem-part
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    flash {
+        partitions {
+            compatible = "qcom,smem-part";
+        };
+    };
diff --git a/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
index ec05db374645..390df23b82e7 100644
--- a/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
@@ -34,6 +34,7 @@ properties:
       - qcom,sm8250-qmp-gen3x1-pcie-phy
       - qcom,sm8250-qmp-gen3x2-pcie-phy
       - qcom,sm8250-qmp-modem-pcie-phy
+      - qcom,sdx55-qmp-usb3-uni-phy
 
   reg:
     items:
@@ -109,6 +110,7 @@ allOf:
           contains:
             enum:
               - qcom,sdm845-qmp-usb3-uni-phy
+              - qcom,sdx55-qmp-usb3-uni-phy
     then:
       properties:
         clocks:
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index be8050b0c3df..70993af22d80 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -24,6 +24,7 @@
 #include <asm/vdso_datapage.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <linux/kbuild.h>
+#include <linux/arm-smccc.h>
 #include "signal.h"
 
 /*
@@ -148,6 +149,8 @@ int main(void)
   DEFINE(SLEEP_SAVE_SP_PHYS,	offsetof(struct sleep_save_sp, save_ptr_stash_phys));
   DEFINE(SLEEP_SAVE_SP_VIRT,	offsetof(struct sleep_save_sp, save_ptr_stash));
 #endif
+  DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
+  DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
   BLANK();
   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
diff --git a/arch/arm/kernel/smccc-call.S b/arch/arm/kernel/smccc-call.S
index 00664c78faca..931df62a7831 100644
--- a/arch/arm/kernel/smccc-call.S
+++ b/arch/arm/kernel/smccc-call.S
@@ -3,7 +3,9 @@
  * Copyright (c) 2015, Linaro Limited
  */
 #include <linux/linkage.h>
+#include <linux/arm-smccc.h>
 
+#include <asm/asm-offsets.h>
 #include <asm/opcodes-sec.h>
 #include <asm/opcodes-virt.h>
 #include <asm/unwind.h>
@@ -27,7 +29,14 @@ UNWIND(	.fnstart)
 UNWIND(	.save	{r4-r7})
 	ldm	r12, {r4-r7}
 	\instr
-	pop	{r4-r7}
+	ldr	r4, [sp, #36]
+	cmp	r4, #0
+	beq	1f			// No quirk structure
+	ldr     r5, [r4, #ARM_SMCCC_QUIRK_ID_OFFS]
+	cmp     r5, #ARM_SMCCC_QUIRK_QCOM_A6
+	bne	1f			// No quirk present
+	str	r6, [r4, #ARM_SMCCC_QUIRK_STATE_OFFS]
+1:	pop	{r4-r7}
 	ldr	r12, [sp, #(4 * 4)]
 	stm	r12, {r0-r3}
 	bx	lr
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index d32bb12cd8d0..2c67fdfae913 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -28,6 +28,14 @@ config QCOM_A53PLL
 	  Say Y if you want to support higher CPU frequencies on MSM8916
 	  devices.
 
+config QCOM_A7PLL
+	tristate "SDX55 A7 PLL"
+	help
+	  Support for the A7 PLL on SDX55 devices. It provides the CPU with
+	  frequencies above 1GHz.
+	  Say Y if you want to support higher CPU frequencies on SDX55
+	  devices.
+
 config QCOM_CLK_APCS_MSM8916
 	tristate "MSM8916 APCS Clock Controller"
 	depends on QCOM_APCS_IPC || COMPILE_TEST
@@ -37,6 +45,15 @@ config QCOM_CLK_APCS_MSM8916
 	  Say Y if you want to support CPU frequency scaling on devices
 	  such as msm8916.
 
+config QCOM_CLK_APCS_SDX55
+	tristate "SDX55 APCS Clock Controller"
+	depends on QCOM_APCS_IPC || COMPILE_TEST
+	help
+	  Support for the APCS Clock Controller on SDX55 platform. The
+	  APCS is managing the mux and divider which feeds the CPUs.
+	  Say Y if you want to support CPU frequency scaling on devices
+	  such as SDX55.
+
 config QCOM_CLK_APCC_MSM8996
 	tristate "MSM8996 CPU Clock Controller"
 	select QCOM_KRYO_L2_ACCESSORS
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 9e5e0e3cb7b4..a9271f40916c 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -44,7 +44,9 @@ obj-$(CONFIG_MSM_MMCC_8974) += mmcc-msm8974.o
 obj-$(CONFIG_MSM_MMCC_8996) += mmcc-msm8996.o
 obj-$(CONFIG_MSM_MMCC_8998) += mmcc-msm8998.o
 obj-$(CONFIG_QCOM_A53PLL) += a53-pll.o
+obj-$(CONFIG_QCOM_A7PLL) += a7-pll.o
 obj-$(CONFIG_QCOM_CLK_APCS_MSM8916) += apcs-msm8916.o
+obj-$(CONFIG_QCOM_CLK_APCS_SDX55) += apcs-sdx55.o
 obj-$(CONFIG_QCOM_CLK_APCC_MSM8996) += clk-cpu-8996.o
 obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o
 obj-$(CONFIG_QCOM_CLK_RPMH) += clk-rpmh.o
diff --git a/drivers/clk/qcom/a7-pll.c b/drivers/clk/qcom/a7-pll.c
new file mode 100644
index 000000000000..e171d3caf2cf
--- /dev/null
+++ b/drivers/clk/qcom/a7-pll.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Qualcomm A7 PLL driver
+ *
+ * Copyright (c) 2020, Linaro Limited
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include "clk-alpha-pll.h"
+
+#define LUCID_PLL_OFF_L_VAL 0x04
+
+static const struct pll_vco lucid_vco[] = {
+	{ 249600000, 2000000000, 0 },
+};
+
+static struct clk_alpha_pll a7pll = {
+	.offset = 0x100,
+	.vco_table = lucid_vco,
+	.num_vco = ARRAY_SIZE(lucid_vco),
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
+	.clkr = {
+		.hw.init = &(struct clk_init_data){
+			.name = "a7pll",
+			.parent_data =  &(const struct clk_parent_data){
+				.fw_name = "bi_tcxo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_lucid_ops,
+		},
+	},
+};
+
+static const struct alpha_pll_config a7pll_config = {
+	.l = 0x39,
+	.config_ctl_val = 0x20485699,
+	.config_ctl_hi_val = 0x2261,
+	.config_ctl_hi1_val = 0x029A699C,
+	.user_ctl_val = 0x1,
+	.user_ctl_hi_val = 0x805,
+};
+
+static const struct regmap_config a7pll_regmap_config = {
+	.reg_bits		= 32,
+	.reg_stride		= 4,
+	.val_bits		= 32,
+	.max_register		= 0x1000,
+	.fast_io		= true,
+};
+
+static int qcom_a7pll_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct regmap *regmap;
+	void __iomem *base;
+	u32 l_val;
+	int ret;
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	regmap = devm_regmap_init_mmio(dev, base, &a7pll_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	/* Configure PLL only if the l_val is zero */
+	regmap_read(regmap, a7pll.offset + LUCID_PLL_OFF_L_VAL, &l_val);
+	if (!l_val)
+		clk_lucid_pll_configure(&a7pll, regmap, &a7pll_config);
+
+	ret = devm_clk_register_regmap(dev, &a7pll.clkr);
+	if (ret)
+		return ret;
+
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
+					   &a7pll.clkr.hw);
+}
+
+static const struct of_device_id qcom_a7pll_match_table[] = {
+	{ .compatible = "qcom,sdx55-a7pll" },
+	{ }
+};
+
+static struct platform_driver qcom_a7pll_driver = {
+	.probe = qcom_a7pll_probe,
+	.driver = {
+		.name = "qcom-a7pll",
+		.of_match_table = qcom_a7pll_match_table,
+	},
+};
+module_platform_driver(qcom_a7pll_driver);
+
+MODULE_DESCRIPTION("Qualcomm A7 PLL Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/qcom/apcs-sdx55.c b/drivers/clk/qcom/apcs-sdx55.c
new file mode 100644
index 000000000000..8d82be76ef32
--- /dev/null
+++ b/drivers/clk/qcom/apcs-sdx55.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Qualcomm SDX55 APCS clock controller driver
+ *
+ * Copyright (c) 2020, Linaro Limited
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/cpu.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include "clk-regmap.h"
+#include "clk-regmap-mux-div.h"
+#include "common.h"
+
+static const u32 apcs_mux_clk_parent_map[] = { 0, 1, 5 };
+
+static const struct clk_parent_data pdata[] = {
+	{ .fw_name = "ref", .name = "bi_tcxo", },
+	{ .fw_name = "aux", .name = "gpll0", },
+	{ .fw_name = "pll", .name = "a7pll", },
+};
+
+/*
+ * We use the notifier function for switching to a temporary safe configuration
+ * (mux and divider), while the A7 PLL is reconfigured.
+ */
+static int a7cc_notifier_cb(struct notifier_block *nb, unsigned long event,
+			    void *data)
+{
+	int ret = 0;
+	struct clk_regmap_mux_div *md = container_of(nb,
+						     struct clk_regmap_mux_div,
+						     clk_nb);
+	if (event == PRE_RATE_CHANGE)
+		/* set the mux and divider to safe frequency (400mhz) */
+		ret = mux_div_set_src_div(md, 1, 2);
+
+	return notifier_from_errno(ret);
+}
+static int qcom_apcs_sdx55_clk_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device *parent = dev->parent;
+	struct device *cpu_dev;
+	struct clk_regmap_mux_div *a7cc;
+	struct regmap *regmap;
+	struct clk_init_data init = { };
+	int ret = -ENODEV;
+
+	regmap = dev_get_regmap(parent, NULL);
+	if (!regmap) {
+		dev_err(dev, "Failed to get parent regmap: %d\n", ret);
+		return ret;
+	}
+
+	a7cc = devm_kzalloc(dev, sizeof(*a7cc), GFP_KERNEL);
+	if (!a7cc)
+		return -ENOMEM;
+
+	init.name = "a7mux";
+	init.parent_data = pdata;
+	init.num_parents = ARRAY_SIZE(pdata);
+	init.ops = &clk_regmap_mux_div_ops;
+
+	a7cc->clkr.hw.init = &init;
+	a7cc->clkr.regmap = regmap;
+	a7cc->reg_offset = 0x8;
+	a7cc->hid_width = 5;
+	a7cc->hid_shift = 0;
+	a7cc->src_width = 3;
+	a7cc->src_shift = 8;
+	a7cc->parent_map = apcs_mux_clk_parent_map;
+
+	a7cc->pclk = devm_clk_get(parent, "pll");
+	if (IS_ERR(a7cc->pclk)) {
+		ret = PTR_ERR(a7cc->pclk);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "Failed to get PLL clk: %d\n", ret);
+		return ret;
+	}
+
+	a7cc->clk_nb.notifier_call = a7cc_notifier_cb;
+	ret = clk_notifier_register(a7cc->pclk, &a7cc->clk_nb);
+	if (ret) {
+		dev_err(dev, "Failed to register clock notifier: %d\n", ret);
+		return ret;
+	}
+
+	ret = devm_clk_register_regmap(dev, &a7cc->clkr);
+	if (ret) {
+		dev_err(dev, "Failed to register regmap clock: %d\n", ret);
+		goto err;
+	}
+
+	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
+					  &a7cc->clkr.hw);
+	if (ret) {
+		dev_err(dev, "Failed to add clock provider: %d\n", ret);
+		goto err;
+	}
+
+	platform_set_drvdata(pdev, a7cc);
+
+	/*
+	 * Attach the power domain to cpudev. There seems to be no better place
+	 * to do this, so do it here.
+	 */
+	cpu_dev = get_cpu_device(0);
+	dev_pm_domain_attach(cpu_dev, true);
+
+	return 0;
+
+err:
+	clk_notifier_unregister(a7cc->pclk, &a7cc->clk_nb);
+	return ret;
+}
+
+static int qcom_apcs_sdx55_clk_remove(struct platform_device *pdev)
+{
+	struct device *cpu_dev = get_cpu_device(0);
+	struct clk_regmap_mux_div *a7cc = platform_get_drvdata(pdev);
+
+	clk_notifier_unregister(a7cc->pclk, &a7cc->clk_nb);
+	dev_pm_domain_detach(cpu_dev, true);
+
+	return 0;
+}
+
+static struct platform_driver qcom_apcs_sdx55_clk_driver = {
+	.probe = qcom_apcs_sdx55_clk_probe,
+	.remove = qcom_apcs_sdx55_clk_remove,
+	.driver = {
+		.name = "qcom-sdx55-acps-clk",
+	},
+};
+module_platform_driver(qcom_apcs_sdx55_clk_driver);
+
+MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Qualcomm SDX55 APCS clock driver");
diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
index b3fb5b02bcf1..165e65174ab2 100644
--- a/drivers/interconnect/qcom/Kconfig
+++ b/drivers/interconnect/qcom/Kconfig
@@ -74,6 +74,15 @@ config INTERCONNECT_QCOM_SDM845
 	  This is a driver for the Qualcomm Network-on-Chip on sdm845-based
 	  platforms.
 
+config INTERCONNECT_QCOM_SDX55
+	tristate "Qualcomm SDX55 interconnect driver"
+	depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
+	select INTERCONNECT_QCOM_RPMH
+	select INTERCONNECT_QCOM_BCM_VOTER
+	help
+	  This is a driver for the Qualcomm Network-on-Chip on sdx55-based
+	  platforms.
+
 config INTERCONNECT_QCOM_SM8150
 	tristate "Qualcomm SM8150 interconnect driver"
 	depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
index cf628f7990cd..981a5ea45af9 100644
--- a/drivers/interconnect/qcom/Makefile
+++ b/drivers/interconnect/qcom/Makefile
@@ -8,6 +8,7 @@ qnoc-qcs404-objs			:= qcs404.o
 icc-rpmh-obj				:= icc-rpmh.o
 qnoc-sc7180-objs			:= sc7180.o
 qnoc-sdm845-objs			:= sdm845.o
+qnoc-sdx55-objs				:= sdx55.o
 qnoc-sm8150-objs			:= sm8150.o
 qnoc-sm8250-objs			:= sm8250.o
 icc-smd-rpm-objs			:= smd-rpm.o
@@ -20,6 +21,7 @@ obj-$(CONFIG_INTERCONNECT_QCOM_QCS404) += qnoc-qcs404.o
 obj-$(CONFIG_INTERCONNECT_QCOM_RPMH) += icc-rpmh.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SC7180) += qnoc-sc7180.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SDM845) += qnoc-sdm845.o
+obj-$(CONFIG_INTERCONNECT_QCOM_SDX55) += qnoc-sdx55.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SM8150) += qnoc-sm8150.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SM8250) += qnoc-sm8250.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
diff --git a/drivers/interconnect/qcom/sdx55.c b/drivers/interconnect/qcom/sdx55.c
new file mode 100644
index 000000000000..aa2382fd1c60
--- /dev/null
+++ b/drivers/interconnect/qcom/sdx55.c
@@ -0,0 +1,356 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Qualcomm SDX55 interconnect driver
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ *
+ * Copyright (c) 2021, Linaro Ltd.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/interconnect.h>
+#include <linux/interconnect-provider.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <dt-bindings/interconnect/qcom,sdx55.h>
+
+#include "bcm-voter.h"
+#include "icc-rpmh.h"
+#include "sdx55.h"
+
+DEFINE_QNODE(ipa_core_master, SDX55_MASTER_IPA_CORE, 1, 8, SDX55_SLAVE_IPA_CORE);
+DEFINE_QNODE(llcc_mc, SDX55_MASTER_LLCC, 4, 4, SDX55_SLAVE_EBI_CH0);
+DEFINE_QNODE(acm_tcu, SDX55_MASTER_TCU_0, 1, 8, SDX55_SLAVE_LLCC, SDX55_SLAVE_MEM_NOC_SNOC, SDX55_SLAVE_MEM_NOC_PCIE_SNOC);
+DEFINE_QNODE(qnm_snoc_gc, SDX55_MASTER_SNOC_GC_MEM_NOC, 1, 8, SDX55_SLAVE_LLCC);
+DEFINE_QNODE(xm_apps_rdwr, SDX55_MASTER_AMPSS_M0, 1, 16, SDX55_SLAVE_LLCC, SDX55_SLAVE_MEM_NOC_SNOC, SDX55_SLAVE_MEM_NOC_PCIE_SNOC);
+DEFINE_QNODE(qhm_audio, SDX55_MASTER_AUDIO, 1, 4, SDX55_SLAVE_ANOC_SNOC);
+DEFINE_QNODE(qhm_blsp1, SDX55_MASTER_BLSP_1, 1, 4, SDX55_SLAVE_ANOC_SNOC);
+DEFINE_QNODE(qhm_qdss_bam, SDX55_MASTER_QDSS_BAM, 1, 4, SDX55_SLAVE_SNOC_CFG, SDX55_SLAVE_EMAC_CFG, SDX55_SLAVE_USB3, SDX55_SLAVE_TLMM, SDX55_SLAVE_SPMI_FETCHER, SDX55_SLAVE_QDSS_CFG, SDX55_SLAVE_PDM, SDX55_SLAVE_SNOC_MEM_NOC_GC, SDX55_SLAVE_TCSR, SDX55_SLAVE_CNOC_DDRSS, SDX55_SLAVE_SPMI_VGI_COEX, SDX55_SLAVE_QPIC, SDX55_SLAVE_OCIMEM, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_USB3_PHY_CFG, SDX55_SLAVE_AOP, SDX55_SLAVE_BLSP_1, SDX55_SLAVE_SDCC_1, SDX55_SLAVE_CNOC_MSS, SDX55_SLAVE_PCIE_PARF, SDX55_SLAVE_ECC_CFG, SDX55_SLAVE_AUDIO, SDX55_SLAVE_AOSS, SDX55_SLAVE_PRNG, SDX55_SLAVE_CRYPTO_0_CFG, SDX55_SLAVE_TCU, SDX55_SLAVE_CLK_CTL, SDX55_SLAVE_IMEM_CFG);
+DEFINE_QNODE(qhm_qpic, SDX55_MASTER_QPIC, 1, 4, SDX55_SLAVE_AOSS, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_ANOC_SNOC, SDX55_SLAVE_AOP, SDX55_SLAVE_AUDIO);
+DEFINE_QNODE(qhm_snoc_cfg, SDX55_MASTER_SNOC_CFG, 1, 4, SDX55_SLAVE_SERVICE_SNOC);
+DEFINE_QNODE(qhm_spmi_fetcher1, SDX55_MASTER_SPMI_FETCHER, 1, 4, SDX55_SLAVE_AOSS, SDX55_SLAVE_ANOC_SNOC, SDX55_SLAVE_AOP);
+DEFINE_QNODE(qnm_aggre_noc, SDX55_MASTER_ANOC_SNOC, 1, 8, SDX55_SLAVE_PCIE_0, SDX55_SLAVE_SNOC_CFG, SDX55_SLAVE_SDCC_1, SDX55_SLAVE_TLMM, SDX55_SLAVE_SPMI_FETCHER, SDX55_SLAVE_QDSS_CFG, SDX55_SLAVE_PDM, SDX55_SLAVE_SNOC_MEM_NOC_GC, SDX55_SLAVE_TCSR, SDX55_SLAVE_CNOC_DDRSS, SDX55_SLAVE_SPMI_VGI_COEX, SDX55_SLAVE_QDSS_STM, SDX55_SLAVE_QPIC, SDX55_SLAVE_OCIMEM, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_USB3_PHY_CFG, SDX55_SLAVE_AOP, SDX55_SLAVE_BLSP_1, SDX55_SLAVE_USB3, SDX55_SLAVE_CNOC_MSS, SDX55_SLAVE_PCIE_PARF, SDX55_SLAVE_ECC_CFG, SDX55_SLAVE_APPSS, SDX55_SLAVE_AUDIO, SDX55_SLAVE_AOSS, SDX55_SLAVE_PRNG, SDX55_SLAVE_CRYPTO_0_CFG, SDX55_SLAVE_TCU, SDX55_SLAVE_CLK_CTL, SDX55_SLAVE_IMEM_CFG);
+DEFINE_QNODE(qnm_ipa, SDX55_MASTER_IPA, 1, 8, SDX55_SLAVE_SNOC_CFG, SDX55_SLAVE_EMAC_CFG, SDX55_SLAVE_USB3, SDX55_SLAVE_AOSS, SDX55_SLAVE_SPMI_FETCHER, SDX55_SLAVE_QDSS_CFG, SDX55_SLAVE_PDM, SDX55_SLAVE_SNOC_MEM_NOC_GC, SDX55_SLAVE_TCSR, SDX55_SLAVE_CNOC_DDRSS, SDX55_SLAVE_QDSS_STM, SDX55_SLAVE_QPIC, SDX55_SLAVE_OCIMEM, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_USB3_PHY_CFG, SDX55_SLAVE_AOP, SDX55_SLAVE_BLSP_1, SDX55_SLAVE_SDCC_1, SDX55_SLAVE_CNOC_MSS, SDX55_SLAVE_PCIE_PARF, SDX55_SLAVE_ECC_CFG, SDX55_SLAVE_AUDIO, SDX55_SLAVE_TLMM, SDX55_SLAVE_PRNG, SDX55_SLAVE_CRYPTO_0_CFG, SDX55_SLAVE_CLK_CTL, SDX55_SLAVE_IMEM_CFG);
+DEFINE_QNODE(qnm_memnoc, SDX55_MASTER_MEM_NOC_SNOC, 1, 8, SDX55_SLAVE_SNOC_CFG, SDX55_SLAVE_EMAC_CFG, SDX55_SLAVE_USB3, SDX55_SLAVE_TLMM, SDX55_SLAVE_SPMI_FETCHER, SDX55_SLAVE_QDSS_CFG, SDX55_SLAVE_PDM, SDX55_SLAVE_TCSR, SDX55_SLAVE_CNOC_DDRSS, SDX55_SLAVE_SPMI_VGI_COEX, SDX55_SLAVE_QDSS_STM, SDX55_SLAVE_QPIC, SDX55_SLAVE_OCIMEM, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_USB3_PHY_CFG, SDX55_SLAVE_AOP, SDX55_SLAVE_BLSP_1, SDX55_SLAVE_SDCC_1, SDX55_SLAVE_CNOC_MSS, SDX55_SLAVE_PCIE_PARF, SDX55_SLAVE_ECC_CFG, SDX55_SLAVE_APPSS,  SDX55_SLAVE_AUDIO, SDX55_SLAVE_AOSS, SDX55_SLAVE_PRNG, SDX55_SLAVE_CRYPTO_0_CFG, SDX55_SLAVE_TCU, SDX55_SLAVE_CLK_CTL, SDX55_SLAVE_IMEM_CFG);
+DEFINE_QNODE(qnm_memnoc_pcie, SDX55_MASTER_MEM_NOC_PCIE_SNOC, 1, 8, SDX55_SLAVE_PCIE_0);
+DEFINE_QNODE(qxm_crypto, SDX55_MASTER_CRYPTO_CORE_0, 1, 8, SDX55_SLAVE_AOSS, SDX55_SLAVE_ANOC_SNOC, SDX55_SLAVE_AOP);
+DEFINE_QNODE(xm_emac, SDX55_MASTER_EMAC, 1, 8, SDX55_SLAVE_ANOC_SNOC);
+DEFINE_QNODE(xm_ipa2pcie_slv, SDX55_MASTER_IPA_PCIE, 1, 8, SDX55_SLAVE_PCIE_0);
+DEFINE_QNODE(xm_pcie, SDX55_MASTER_PCIE, 1, 8, SDX55_SLAVE_ANOC_SNOC);
+DEFINE_QNODE(xm_qdss_etr, SDX55_MASTER_QDSS_ETR, 1, 8, SDX55_SLAVE_SNOC_CFG, SDX55_SLAVE_EMAC_CFG, SDX55_SLAVE_USB3, SDX55_SLAVE_AOSS, SDX55_SLAVE_SPMI_FETCHER, SDX55_SLAVE_QDSS_CFG, SDX55_SLAVE_PDM, SDX55_SLAVE_SNOC_MEM_NOC_GC, SDX55_SLAVE_TCSR, SDX55_SLAVE_CNOC_DDRSS, SDX55_SLAVE_SPMI_VGI_COEX, SDX55_SLAVE_QPIC, SDX55_SLAVE_OCIMEM, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_USB3_PHY_CFG, SDX55_SLAVE_AOP, SDX55_SLAVE_BLSP_1, SDX55_SLAVE_SDCC_1, SDX55_SLAVE_CNOC_MSS, SDX55_SLAVE_PCIE_PARF, SDX55_SLAVE_ECC_CFG, SDX55_SLAVE_AUDIO, SDX55_SLAVE_AOSS, SDX55_SLAVE_PRNG, SDX55_SLAVE_CRYPTO_0_CFG, SDX55_SLAVE_TCU, SDX55_SLAVE_CLK_CTL, SDX55_SLAVE_IMEM_CFG);
+DEFINE_QNODE(xm_sdc1, SDX55_MASTER_SDCC_1, 1, 8, SDX55_SLAVE_AOSS, SDX55_SLAVE_IPA_CFG, SDX55_SLAVE_ANOC_SNOC, SDX55_SLAVE_AOP, SDX55_SLAVE_AUDIO);
+DEFINE_QNODE(xm_usb3, SDX55_MASTER_USB3, 1, 8, SDX55_SLAVE_ANOC_SNOC);
+DEFINE_QNODE(ipa_core_slave, SDX55_SLAVE_IPA_CORE, 1, 8);
+DEFINE_QNODE(ebi, SDX55_SLAVE_EBI_CH0, 1, 4);
+DEFINE_QNODE(qns_llcc, SDX55_SLAVE_LLCC, 1, 16, SDX55_SLAVE_EBI_CH0);
+DEFINE_QNODE(qns_memnoc_snoc, SDX55_SLAVE_MEM_NOC_SNOC, 1, 8, SDX55_MASTER_MEM_NOC_SNOC);
+DEFINE_QNODE(qns_sys_pcie, SDX55_SLAVE_MEM_NOC_PCIE_SNOC, 1, 8, SDX55_MASTER_MEM_NOC_PCIE_SNOC);
+DEFINE_QNODE(qhs_aop, SDX55_SLAVE_AOP, 1, 4);
+DEFINE_QNODE(qhs_aoss, SDX55_SLAVE_AOSS, 1, 4);
+DEFINE_QNODE(qhs_apss, SDX55_SLAVE_APPSS, 1, 4);
+DEFINE_QNODE(qhs_audio, SDX55_SLAVE_AUDIO, 1, 4);
+DEFINE_QNODE(qhs_blsp1, SDX55_SLAVE_BLSP_1, 1, 4);
+DEFINE_QNODE(qhs_clk_ctl, SDX55_SLAVE_CLK_CTL, 1, 4);
+DEFINE_QNODE(qhs_crypto0_cfg, SDX55_SLAVE_CRYPTO_0_CFG, 1, 4);
+DEFINE_QNODE(qhs_ddrss_cfg, SDX55_SLAVE_CNOC_DDRSS, 1, 4);
+DEFINE_QNODE(qhs_ecc_cfg, SDX55_SLAVE_ECC_CFG, 1, 4);
+DEFINE_QNODE(qhs_emac_cfg, SDX55_SLAVE_EMAC_CFG, 1, 4);
+DEFINE_QNODE(qhs_imem_cfg, SDX55_SLAVE_IMEM_CFG, 1, 4);
+DEFINE_QNODE(qhs_ipa, SDX55_SLAVE_IPA_CFG, 1, 4);
+DEFINE_QNODE(qhs_mss_cfg, SDX55_SLAVE_CNOC_MSS, 1, 4);
+DEFINE_QNODE(qhs_pcie_parf, SDX55_SLAVE_PCIE_PARF, 1, 4);
+DEFINE_QNODE(qhs_pdm, SDX55_SLAVE_PDM, 1, 4);
+DEFINE_QNODE(qhs_prng, SDX55_SLAVE_PRNG, 1, 4);
+DEFINE_QNODE(qhs_qdss_cfg, SDX55_SLAVE_QDSS_CFG, 1, 4);
+DEFINE_QNODE(qhs_qpic, SDX55_SLAVE_QPIC, 1, 4);
+DEFINE_QNODE(qhs_sdc1, SDX55_SLAVE_SDCC_1, 1, 4);
+DEFINE_QNODE(qhs_snoc_cfg, SDX55_SLAVE_SNOC_CFG, 1, 4, SDX55_MASTER_SNOC_CFG);
+DEFINE_QNODE(qhs_spmi_fetcher, SDX55_SLAVE_SPMI_FETCHER, 1, 4);
+DEFINE_QNODE(qhs_spmi_vgi_coex, SDX55_SLAVE_SPMI_VGI_COEX, 1, 4);
+DEFINE_QNODE(qhs_tcsr, SDX55_SLAVE_TCSR, 1, 4);
+DEFINE_QNODE(qhs_tlmm, SDX55_SLAVE_TLMM, 1, 4);
+DEFINE_QNODE(qhs_usb3, SDX55_SLAVE_USB3, 1, 4);
+DEFINE_QNODE(qhs_usb3_phy, SDX55_SLAVE_USB3_PHY_CFG, 1, 4);
+DEFINE_QNODE(qns_aggre_noc, SDX55_SLAVE_ANOC_SNOC, 1, 8, SDX55_MASTER_ANOC_SNOC);
+DEFINE_QNODE(qns_snoc_memnoc, SDX55_SLAVE_SNOC_MEM_NOC_GC, 1, 8, SDX55_MASTER_SNOC_GC_MEM_NOC);
+DEFINE_QNODE(qxs_imem, SDX55_SLAVE_OCIMEM, 1, 8);
+DEFINE_QNODE(srvc_snoc, SDX55_SLAVE_SERVICE_SNOC, 1, 4);
+DEFINE_QNODE(xs_pcie, SDX55_SLAVE_PCIE_0, 1, 8);
+DEFINE_QNODE(xs_qdss_stm, SDX55_SLAVE_QDSS_STM, 1, 4);
+DEFINE_QNODE(xs_sys_tcu_cfg, SDX55_SLAVE_TCU, 1, 8);
+
+DEFINE_QBCM(bcm_mc0, "MC0", true, &ebi);
+DEFINE_QBCM(bcm_sh0, "SH0", true, &qns_llcc);
+DEFINE_QBCM(bcm_ce0, "CE0", false, &qxm_crypto);
+DEFINE_QBCM(bcm_ip0, "IP0", false, &ipa_core_slave);
+DEFINE_QBCM(bcm_pn0, "PN0", false, &qhm_snoc_cfg);
+DEFINE_QBCM(bcm_sh3, "SH3", false, &xm_apps_rdwr);
+DEFINE_QBCM(bcm_sh4, "SH4", false, &qns_memnoc_snoc, &qns_sys_pcie);
+DEFINE_QBCM(bcm_sn0, "SN0", true, &qns_snoc_memnoc);
+DEFINE_QBCM(bcm_sn1, "SN1", false, &qxs_imem);
+DEFINE_QBCM(bcm_pn1, "PN1", false, &xm_sdc1);
+DEFINE_QBCM(bcm_pn2, "PN2", false, &qhm_audio, &qhm_spmi_fetcher1);
+DEFINE_QBCM(bcm_sn3, "SN3", false, &xs_qdss_stm);
+DEFINE_QBCM(bcm_pn3, "PN3", false, &qhm_blsp1, &qhm_qpic);
+DEFINE_QBCM(bcm_sn4, "SN4", false, &xs_sys_tcu_cfg);
+DEFINE_QBCM(bcm_pn5, "PN5", false, &qxm_crypto);
+DEFINE_QBCM(bcm_sn6, "SN6", false, &xs_pcie);
+DEFINE_QBCM(bcm_sn7, "SN7", false, &qnm_aggre_noc, &xm_emac, &xm_emac, &xm_usb3,
+	    &qns_aggre_noc);
+DEFINE_QBCM(bcm_sn8, "SN8", false, &qhm_qdss_bam, &xm_qdss_etr);
+DEFINE_QBCM(bcm_sn9, "SN9", false, &qnm_memnoc);
+DEFINE_QBCM(bcm_sn10, "SN10", false, &qnm_memnoc_pcie);
+DEFINE_QBCM(bcm_sn11, "SN11", false, &qnm_ipa, &xm_ipa2pcie_slv);
+
+static struct qcom_icc_bcm *mc_virt_bcms[] = {
+	&bcm_mc0,
+};
+
+static struct qcom_icc_node *mc_virt_nodes[] = {
+	[MASTER_LLCC] = &llcc_mc,
+	[SLAVE_EBI_CH0] = &ebi,
+};
+
+const static struct qcom_icc_desc sdx55_mc_virt = {
+	.nodes = mc_virt_nodes,
+	.num_nodes = ARRAY_SIZE(mc_virt_nodes),
+	.bcms = mc_virt_bcms,
+	.num_bcms = ARRAY_SIZE(mc_virt_bcms),
+};
+
+static struct qcom_icc_bcm *mem_noc_bcms[] = {
+	&bcm_sh0,
+	&bcm_sh3,
+	&bcm_sh4,
+};
+
+static struct qcom_icc_node *mem_noc_nodes[] = {
+	[MASTER_TCU_0] = &acm_tcu,
+	[MASTER_SNOC_GC_MEM_NOC] = &qnm_snoc_gc,
+	[MASTER_AMPSS_M0] = &xm_apps_rdwr,
+	[SLAVE_LLCC] = &qns_llcc,
+	[SLAVE_MEM_NOC_SNOC] = &qns_memnoc_snoc,
+	[SLAVE_MEM_NOC_PCIE_SNOC] = &qns_sys_pcie,
+};
+
+const static struct qcom_icc_desc sdx55_mem_noc = {
+	.nodes = mem_noc_nodes,
+	.num_nodes = ARRAY_SIZE(mem_noc_nodes),
+	.bcms = mem_noc_bcms,
+	.num_bcms = ARRAY_SIZE(mem_noc_bcms),
+};
+
+static struct qcom_icc_bcm *system_noc_bcms[] = {
+	&bcm_ce0,
+	&bcm_pn0,
+	&bcm_pn1,
+	&bcm_pn2,
+	&bcm_pn3,
+	&bcm_pn5,
+	&bcm_sn0,
+	&bcm_sn1,
+	&bcm_sn3,
+	&bcm_sn4,
+	&bcm_sn6,
+	&bcm_sn7,
+	&bcm_sn8,
+	&bcm_sn9,
+	&bcm_sn10,
+	&bcm_sn11,
+};
+
+static struct qcom_icc_node *system_noc_nodes[] = {
+	[MASTER_AUDIO] = &qhm_audio,
+	[MASTER_BLSP_1] = &qhm_blsp1,
+	[MASTER_QDSS_BAM] = &qhm_qdss_bam,
+	[MASTER_QPIC] = &qhm_qpic,
+	[MASTER_SNOC_CFG] = &qhm_snoc_cfg,
+	[MASTER_SPMI_FETCHER] = &qhm_spmi_fetcher1,
+	[MASTER_ANOC_SNOC] = &qnm_aggre_noc,
+	[MASTER_IPA] = &qnm_ipa,
+	[MASTER_MEM_NOC_SNOC] = &qnm_memnoc,
+	[MASTER_MEM_NOC_PCIE_SNOC] = &qnm_memnoc_pcie,
+	[MASTER_CRYPTO_CORE_0] = &qxm_crypto,
+	[MASTER_EMAC] = &xm_emac,
+	[MASTER_IPA_PCIE] = &xm_ipa2pcie_slv,
+	[MASTER_PCIE] = &xm_pcie,
+	[MASTER_QDSS_ETR] = &xm_qdss_etr,
+	[MASTER_SDCC_1] = &xm_sdc1,
+	[MASTER_USB3] = &xm_usb3,
+	[SLAVE_AOP] = &qhs_aop,
+	[SLAVE_AOSS] = &qhs_aoss,
+	[SLAVE_APPSS] = &qhs_apss,
+	[SLAVE_AUDIO] = &qhs_audio,
+	[SLAVE_BLSP_1] = &qhs_blsp1,
+	[SLAVE_CLK_CTL] = &qhs_clk_ctl,
+	[SLAVE_CRYPTO_0_CFG] = &qhs_crypto0_cfg,
+	[SLAVE_CNOC_DDRSS] = &qhs_ddrss_cfg,
+	[SLAVE_ECC_CFG] = &qhs_ecc_cfg,
+	[SLAVE_EMAC_CFG] = &qhs_emac_cfg,
+	[SLAVE_IMEM_CFG] = &qhs_imem_cfg,
+	[SLAVE_IPA_CFG] = &qhs_ipa,
+	[SLAVE_CNOC_MSS] = &qhs_mss_cfg,
+	[SLAVE_PCIE_PARF] = &qhs_pcie_parf,
+	[SLAVE_PDM] = &qhs_pdm,
+	[SLAVE_PRNG] = &qhs_prng,
+	[SLAVE_QDSS_CFG] = &qhs_qdss_cfg,
+	[SLAVE_QPIC] = &qhs_qpic,
+	[SLAVE_SDCC_1] = &qhs_sdc1,
+	[SLAVE_SNOC_CFG] = &qhs_snoc_cfg,
+	[SLAVE_SPMI_FETCHER] = &qhs_spmi_fetcher,
+	[SLAVE_SPMI_VGI_COEX] = &qhs_spmi_vgi_coex,
+	[SLAVE_TCSR] = &qhs_tcsr,
+	[SLAVE_TLMM] = &qhs_tlmm,
+	[SLAVE_USB3] = &qhs_usb3,
+	[SLAVE_USB3_PHY_CFG] = &qhs_usb3_phy,
+	[SLAVE_ANOC_SNOC] = &qns_aggre_noc,
+	[SLAVE_SNOC_MEM_NOC_GC] = &qns_snoc_memnoc,
+	[SLAVE_OCIMEM] = &qxs_imem,
+	[SLAVE_SERVICE_SNOC] = &srvc_snoc,
+	[SLAVE_PCIE_0] = &xs_pcie,
+	[SLAVE_QDSS_STM] = &xs_qdss_stm,
+	[SLAVE_TCU] = &xs_sys_tcu_cfg,
+};
+
+const static struct qcom_icc_desc sdx55_system_noc = {
+	.nodes = system_noc_nodes,
+	.num_nodes = ARRAY_SIZE(system_noc_nodes),
+	.bcms = system_noc_bcms,
+	.num_bcms = ARRAY_SIZE(system_noc_bcms),
+};
+
+static struct qcom_icc_bcm *ipa_virt_bcms[] = {
+	&bcm_ip0,
+};
+
+static struct qcom_icc_node *ipa_virt_nodes[] = {
+	[MASTER_IPA_CORE] = &ipa_core_master,
+	[SLAVE_IPA_CORE] = &ipa_core_slave,
+};
+
+const static struct qcom_icc_desc sdx55_ipa_virt = {
+	.nodes = ipa_virt_nodes,
+	.num_nodes = ARRAY_SIZE(ipa_virt_nodes),
+	.bcms = ipa_virt_bcms,
+	.num_bcms = ARRAY_SIZE(ipa_virt_bcms),
+};
+
+static int qnoc_probe(struct platform_device *pdev)
+{
+	const struct qcom_icc_desc *desc;
+	struct icc_onecell_data *data;
+	struct icc_provider *provider;
+	struct qcom_icc_node **qnodes;
+	struct qcom_icc_provider *qp;
+	struct icc_node *node;
+	size_t num_nodes, i;
+	int ret;
+
+	desc = device_get_match_data(&pdev->dev);
+	if (!desc)
+		return -EINVAL;
+
+	qnodes = desc->nodes;
+	num_nodes = desc->num_nodes;
+
+	qp = devm_kzalloc(&pdev->dev, sizeof(*qp), GFP_KERNEL);
+	if (!qp)
+		return -ENOMEM;
+
+	data = devm_kcalloc(&pdev->dev, num_nodes, sizeof(*node), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	provider = &qp->provider;
+	provider->dev = &pdev->dev;
+	provider->set = qcom_icc_set;
+	provider->pre_aggregate = qcom_icc_pre_aggregate;
+	provider->aggregate = qcom_icc_aggregate;
+	provider->xlate = of_icc_xlate_onecell;
+	INIT_LIST_HEAD(&provider->nodes);
+	provider->data = data;
+
+	qp->dev = &pdev->dev;
+	qp->bcms = desc->bcms;
+	qp->num_bcms = desc->num_bcms;
+
+	qp->voter = of_bcm_voter_get(qp->dev, NULL);
+	if (IS_ERR(qp->voter))
+		return PTR_ERR(qp->voter);
+
+	ret = icc_provider_add(provider);
+	if (ret) {
+		dev_err(&pdev->dev, "error adding interconnect provider\n");
+		return ret;
+	}
+
+	for (i = 0; i < qp->num_bcms; i++)
+		qcom_icc_bcm_init(qp->bcms[i], &pdev->dev);
+
+	for (i = 0; i < num_nodes; i++) {
+		size_t j;
+
+		if (!qnodes[i])
+			continue;
+
+		node = icc_node_create(qnodes[i]->id);
+		if (IS_ERR(node)) {
+			ret = PTR_ERR(node);
+			goto err;
+		}
+
+		node->name = qnodes[i]->name;
+		node->data = qnodes[i];
+		icc_node_add(node, provider);
+
+		for (j = 0; j < qnodes[i]->num_links; j++)
+			icc_link_create(node, qnodes[i]->links[j]);
+
+		data->nodes[i] = node;
+	}
+	data->num_nodes = num_nodes;
+
+	platform_set_drvdata(pdev, qp);
+
+	return 0;
+err:
+	icc_nodes_remove(provider);
+	icc_provider_del(provider);
+	return ret;
+}
+
+static int qnoc_remove(struct platform_device *pdev)
+{
+	struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
+
+	icc_nodes_remove(&qp->provider);
+	return icc_provider_del(&qp->provider);
+}
+
+static const struct of_device_id qnoc_of_match[] = {
+	{ .compatible = "qcom,sdx55-mc-virt",
+	  .data = &sdx55_mc_virt},
+	{ .compatible = "qcom,sdx55-mem-noc",
+	  .data = &sdx55_mem_noc},
+	{ .compatible = "qcom,sdx55-system-noc",
+	  .data = &sdx55_system_noc},
+	{ .compatible = "qcom,sdx55-ipa-virt",
+	  .data = &sdx55_ipa_virt},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, qnoc_of_match);
+
+static struct platform_driver qnoc_driver = {
+	.probe = qnoc_probe,
+	.remove = qnoc_remove,
+	.driver = {
+		.name = "qnoc-sdx55",
+		.of_match_table = qnoc_of_match,
+		.sync_state = icc_sync_state,
+	},
+};
+module_platform_driver(qnoc_driver);
+
+MODULE_DESCRIPTION("Qualcomm SDX55 NoC driver");
+MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/interconnect/qcom/sdx55.h b/drivers/interconnect/qcom/sdx55.h
new file mode 100644
index 000000000000..deff8afe0631
--- /dev/null
+++ b/drivers/interconnect/qcom/sdx55.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021, Linaro Ltd.
+ */
+
+#ifndef __DRIVERS_INTERCONNECT_QCOM_SDX55_H
+#define __DRIVERS_INTERCONNECT_QCOM_SDX55_H
+
+#define SDX55_MASTER_IPA_CORE			0
+#define SDX55_MASTER_LLCC			1
+#define SDX55_MASTER_TCU_0			2
+#define SDX55_MASTER_SNOC_GC_MEM_NOC		3
+#define SDX55_MASTER_AMPSS_M0			4
+#define SDX55_MASTER_AUDIO			5
+#define SDX55_MASTER_BLSP_1			6
+#define SDX55_MASTER_QDSS_BAM			7
+#define SDX55_MASTER_QPIC			8
+#define SDX55_MASTER_SNOC_CFG			9
+#define SDX55_MASTER_SPMI_FETCHER		10
+#define SDX55_MASTER_ANOC_SNOC			11
+#define SDX55_MASTER_IPA			12
+#define SDX55_MASTER_MEM_NOC_SNOC		13
+#define SDX55_MASTER_MEM_NOC_PCIE_SNOC		14
+#define SDX55_MASTER_CRYPTO_CORE_0		15
+#define SDX55_MASTER_EMAC			16
+#define SDX55_MASTER_IPA_PCIE			17
+#define SDX55_MASTER_PCIE			18
+#define SDX55_MASTER_QDSS_ETR			19
+#define SDX55_MASTER_SDCC_1			20
+#define SDX55_MASTER_USB3			21
+#define SDX55_SLAVE_IPA_CORE			22
+#define SDX55_SLAVE_EBI_CH0			23
+#define SDX55_SLAVE_LLCC			24
+#define SDX55_SLAVE_MEM_NOC_SNOC		25
+#define SDX55_SLAVE_MEM_NOC_PCIE_SNOC		26
+#define SDX55_SLAVE_ANOC_SNOC			27
+#define SDX55_SLAVE_SNOC_CFG			28
+#define SDX55_SLAVE_EMAC_CFG			29
+#define SDX55_SLAVE_USB3			30
+#define SDX55_SLAVE_TLMM			31
+#define SDX55_SLAVE_SPMI_FETCHER		32
+#define SDX55_SLAVE_QDSS_CFG			33
+#define SDX55_SLAVE_PDM				34
+#define SDX55_SLAVE_SNOC_MEM_NOC_GC		35
+#define SDX55_SLAVE_TCSR			36
+#define SDX55_SLAVE_CNOC_DDRSS			37
+#define SDX55_SLAVE_SPMI_VGI_COEX		38
+#define SDX55_SLAVE_QPIC			39
+#define SDX55_SLAVE_OCIMEM			40
+#define SDX55_SLAVE_IPA_CFG			41
+#define SDX55_SLAVE_USB3_PHY_CFG		42
+#define SDX55_SLAVE_AOP				43
+#define SDX55_SLAVE_BLSP_1			44
+#define SDX55_SLAVE_SDCC_1			45
+#define SDX55_SLAVE_CNOC_MSS			46
+#define SDX55_SLAVE_PCIE_PARF			47
+#define SDX55_SLAVE_ECC_CFG			48
+#define SDX55_SLAVE_AUDIO			49
+#define SDX55_SLAVE_AOSS			51
+#define SDX55_SLAVE_PRNG			52
+#define SDX55_SLAVE_CRYPTO_0_CFG		53
+#define SDX55_SLAVE_TCU				54
+#define SDX55_SLAVE_CLK_CTL			55
+#define SDX55_SLAVE_IMEM_CFG			56
+#define SDX55_SLAVE_SERVICE_SNOC		57
+#define SDX55_SLAVE_PCIE_0			58
+#define SDX55_SLAVE_QDSS_STM			59
+#define SDX55_SLAVE_APPSS			60
+
+#endif
diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index 077e5c6a9ef7..1c205832a1cc 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -61,11 +61,15 @@ static const struct qcom_apcs_ipc_data apps_shared_apcs_data = {
 	.offset = 12, .clk_name = NULL
 };
 
+static const struct qcom_apcs_ipc_data sdx55_apcs_data = {
+	.offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk"
+};
+
 static const struct regmap_config apcs_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.max_register = 0xFFC,
+	.max_register = 0x1008,
 	.fast_io = true,
 };
 
@@ -162,6 +166,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
 	{ .compatible = "qcom,sdm660-apcs-hmss-global", .data = &sdm660_apcs_data },
 	{ .compatible = "qcom,sdm845-apss-shared", .data = &apps_shared_apcs_data },
 	{ .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
+	{ .compatible = "qcom,sdx55-apcs-gcc", .data = &sdx55_apcs_data },
 	{}
 };
 MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match);
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index c33fa1b1847f..f18cd1db79a9 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -4286,6 +4286,9 @@ static int nand_block_isbad(struct mtd_info *mtd, loff_t offs)
 	int chipnr = (int)(offs >> chip->chip_shift);
 	int ret;
 
+	if (!chip->bbt)
+		return 0;
+
 	/* Select the NAND device */
 	ret = nand_get_device(chip);
 	if (ret)
diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index 667e4bfe369f..fd4c318b520f 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -2821,6 +2821,8 @@ static int qcom_nandc_setup(struct qcom_nand_controller *nandc)
 	return 0;
 }
 
+static const char * const probes[] = { "qcomsmem", NULL };
+
 static int qcom_nand_host_init_and_register(struct qcom_nand_controller *nandc,
 					    struct qcom_nand_host *host,
 					    struct device_node *dn)
@@ -2884,7 +2886,7 @@ static int qcom_nand_host_init_and_register(struct qcom_nand_controller *nandc,
 		}
 	}
 
-	ret = mtd_device_register(mtd, NULL, 0);
+	ret = mtd_device_parse_register(mtd, probes, NULL, NULL, 0);
 	if (ret)
 		nand_cleanup(chip);
 
diff --git a/drivers/mtd/parsers/Kconfig b/drivers/mtd/parsers/Kconfig
index e72354322f62..d90c30229052 100644
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
@@ -160,3 +160,11 @@ config MTD_REDBOOT_PARTS_READONLY
 	  'FIS directory' images, enable this option.
 
 endif # MTD_REDBOOT_PARTS
+
+config MTD_QCOMSMEM_PARTS
+	tristate "Qualcomm SMEM NAND flash partition parser"
+	depends on MTD_NAND_QCOM || COMPILE_TEST
+	depends on QCOM_SMEM
+	help
+	  This provides support for parsing partitions from Shared Memory (SMEM)
+	  for NAND flash on Qualcomm platforms.
diff --git a/drivers/mtd/parsers/Makefile b/drivers/mtd/parsers/Makefile
index b0c5f62f9e85..50eb0b0a2210 100644
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_MTD_AFS_PARTS)		+= afs.o
 obj-$(CONFIG_MTD_PARSER_TRX)		+= parser_trx.o
 obj-$(CONFIG_MTD_SHARPSL_PARTS)		+= sharpslpart.o
 obj-$(CONFIG_MTD_REDBOOT_PARTS)		+= redboot.o
+obj-$(CONFIG_MTD_QCOMSMEM_PARTS)	+= qcomsmempart.o
diff --git a/drivers/mtd/parsers/afs.c b/drivers/mtd/parsers/afs.c
index 980e332bdac4..26116694c821 100644
--- a/drivers/mtd/parsers/afs.c
+++ b/drivers/mtd/parsers/afs.c
@@ -370,10 +370,8 @@ static int parse_afs_partitions(struct mtd_info *mtd,
 	return i;
 
 out_free_parts:
-	while (i >= 0) {
+	while (--i >= 0)
 		kfree(parts[i].name);
-		i--;
-	}
 	kfree(parts);
 	*pparts = NULL;
 	return ret;
diff --git a/drivers/mtd/parsers/qcomsmempart.c b/drivers/mtd/parsers/qcomsmempart.c
new file mode 100644
index 000000000000..808cb33d71f8
--- /dev/null
+++ b/drivers/mtd/parsers/qcomsmempart.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Qualcomm SMEM NAND flash partition parser
+ *
+ * Copyright (C) 2020, Linaro Ltd.
+ */
+
+#include <linux/ctype.h>
+#include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/slab.h>
+#include <linux/soc/qcom/smem.h>
+
+#define SMEM_AARM_PARTITION_TABLE	9
+#define SMEM_APPS			0
+
+#define SMEM_FLASH_PART_MAGIC1		0x55ee73aa
+#define SMEM_FLASH_PART_MAGIC2		0xe35ebddb
+#define SMEM_FLASH_PTABLE_V3		3
+#define SMEM_FLASH_PTABLE_V4		4
+#define SMEM_FLASH_PTABLE_MAX_PARTS_V3	16
+#define SMEM_FLASH_PTABLE_MAX_PARTS_V4	48
+#define SMEM_FLASH_PTABLE_HDR_LEN	(4 * sizeof(u32))
+#define SMEM_FLASH_PTABLE_NAME_SIZE	16
+
+/**
+ * struct smem_flash_pentry - SMEM Flash partition entry
+ * @name: Name of the partition
+ * @offset: Offset in blocks
+ * @length: Length of the partition in blocks
+ * @attr: Flags for this partition
+ */
+struct smem_flash_pentry {
+	char name[SMEM_FLASH_PTABLE_NAME_SIZE];
+	__le32 offset;
+	__le32 length;
+	u8 attr;
+} __packed __aligned(4);
+
+/**
+ * struct smem_flash_ptable - SMEM Flash partition table
+ * @magic1: Partition table Magic 1
+ * @magic2: Partition table Magic 2
+ * @version: Partition table version
+ * @numparts: Number of partitions in this ptable
+ * @pentry: Flash partition entries belonging to this ptable
+ */
+struct smem_flash_ptable {
+	__le32 magic1;
+	__le32 magic2;
+	__le32 version;
+	__le32 numparts;
+	struct smem_flash_pentry pentry[SMEM_FLASH_PTABLE_MAX_PARTS_V4];
+} __packed __aligned(4);
+
+static int parse_qcomsmem_part(struct mtd_info *mtd,
+			       const struct mtd_partition **pparts,
+			       struct mtd_part_parser_data *data)
+{
+	struct smem_flash_pentry *pentry;
+	struct smem_flash_ptable *ptable;
+	size_t len = SMEM_FLASH_PTABLE_HDR_LEN;
+	struct mtd_partition *parts;
+	int ret, i, numparts;
+	char *name, *c;
+
+	pr_debug("Parsing partition table info from SMEM\n");
+	ptable = qcom_smem_get(SMEM_APPS, SMEM_AARM_PARTITION_TABLE, &len);
+	if (IS_ERR(ptable)) {
+		pr_err("Error reading partition table header\n");
+		return PTR_ERR(ptable);
+	}
+
+	/* Verify ptable magic */
+	if (le32_to_cpu(ptable->magic1) != SMEM_FLASH_PART_MAGIC1 ||
+	    le32_to_cpu(ptable->magic2) != SMEM_FLASH_PART_MAGIC2) {
+		pr_err("Partition table magic verification failed\n");
+		return -EINVAL;
+	}
+
+	/* Ensure that # of partitions is less than the max we have allocated */
+	numparts = le32_to_cpu(ptable->numparts);
+	if (numparts > SMEM_FLASH_PTABLE_MAX_PARTS_V4) {
+		pr_err("Partition numbers exceed the max limit\n");
+		return -EINVAL;
+	}
+
+	/* Find out length of partition data based on table version */
+	if (le32_to_cpu(ptable->version) <= SMEM_FLASH_PTABLE_V3) {
+		len = SMEM_FLASH_PTABLE_HDR_LEN + SMEM_FLASH_PTABLE_MAX_PARTS_V3 *
+			sizeof(struct smem_flash_pentry);
+	} else if (le32_to_cpu(ptable->version) == SMEM_FLASH_PTABLE_V4) {
+		len = SMEM_FLASH_PTABLE_HDR_LEN + SMEM_FLASH_PTABLE_MAX_PARTS_V4 *
+			sizeof(struct smem_flash_pentry);
+	} else {
+		pr_err("Unknown ptable version (%d)", le32_to_cpu(ptable->version));
+		return -EINVAL;
+	}
+
+	/*
+	 * Now that the partition table header has been parsed, verified
+	 * and the length of the partition table calculated, read the
+	 * complete partition table
+	 */
+	ptable = qcom_smem_get(SMEM_APPS, SMEM_AARM_PARTITION_TABLE, &len);
+	if (IS_ERR_OR_NULL(ptable)) {
+		pr_err("Error reading partition table\n");
+		return PTR_ERR(ptable);
+	}
+
+	parts = kcalloc(numparts, sizeof(*parts), GFP_KERNEL);
+	if (!parts)
+		return -ENOMEM;
+
+	for (i = 0; i < numparts; i++) {
+		pentry = &ptable->pentry[i];
+		if (pentry->name[0] == '\0')
+			continue;
+
+		name = kstrdup(pentry->name, GFP_KERNEL);
+		if (!name) {
+			ret = -ENOMEM;
+			goto out_free_parts;
+		}
+
+		/* Convert name to lower case */
+		for (c = name; *c != '\0'; c++)
+			*c = tolower(*c);
+
+		parts[i].name = name;
+		parts[i].offset = le32_to_cpu(pentry->offset) * mtd->erasesize;
+		parts[i].mask_flags = pentry->attr;
+		parts[i].size = le32_to_cpu(pentry->length) * mtd->erasesize;
+		pr_debug("%d: %s offs=0x%08x size=0x%08x attr:0x%08x\n",
+			 i, pentry->name, le32_to_cpu(pentry->offset),
+			 le32_to_cpu(pentry->length), pentry->attr);
+	}
+
+	pr_debug("SMEM partition table found: ver: %d len: %d\n",
+		 le32_to_cpu(ptable->version), numparts);
+	*pparts = parts;
+
+	return numparts;
+
+out_free_parts:
+	while (--i >= 0)
+		kfree(parts[i].name);
+	kfree(parts);
+	*pparts = NULL;
+
+	return ret;
+}
+
+static const struct of_device_id qcomsmem_of_match_table[] = {
+	{ .compatible = "qcom,smem-part" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, qcomsmem_of_match_table);
+
+static struct mtd_part_parser mtd_parser_qcomsmem = {
+	.parse_fn = parse_qcomsmem_part,
+	.name = "qcomsmem",
+	.of_match_table = qcomsmem_of_match_table,
+};
+module_mtd_part_parser(mtd_parser_qcomsmem);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
+MODULE_DESCRIPTION("Qualcomm SMEM NAND flash partition parser");
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 2134b16ed16c..d95bb22565ff 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -2070,6 +2070,53 @@ static const struct qmp_phy_init_tbl sm8250_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
 };
 
+static const struct qmp_phy_init_tbl sdx55_usb3_uniphy_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x08),
+};
+
+static const struct qmp_phy_init_tbl sdx55_usb3_uniphy_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x26),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xbf),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x048),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+};
+
 struct qmp_phy;
 
 /* struct qmp_phy_cfg - per-PHY initialization config */
@@ -2719,6 +2766,11 @@ static const char * const sdm845_ufs_phy_clk_l[] = {
 	"ref", "ref_aux",
 };
 
+/* usb3 phy on sdx55 doesn't have com_aux clock */
+static const char * const qmp_v4_sdx55_usbphy_clk_l[] = {
+	"aux", "cfg_ahb", "ref"
+};
+
 /* list of resets */
 static const char * const msm8996_pciephy_reset_l[] = {
 	"phy", "common", "cfg",
@@ -3410,6 +3462,34 @@ static const struct qmp_phy_combo_cfg sm8250_usb3dpphy_cfg = {
 	.dp_cfg			= &sm8250_dpphy_cfg,
 };
 
+static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= sm8150_usb3_uniphy_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
+	.tx_tbl			= sdx55_usb3_uniphy_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(sdx55_usb3_uniphy_tx_tbl),
+	.rx_tbl			= sdx55_usb3_uniphy_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(sdx55_usb3_uniphy_rx_tbl),
+	.pcs_tbl		= sm8250_usb3_uniphy_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(sm8250_usb3_uniphy_pcs_tbl),
+	.clk_list		= qmp_v4_sdx55_usbphy_clk_l,
+	.num_clks		= ARRAY_SIZE(qmp_v4_sdx55_usbphy_clk_l),
+	.reset_list		= msm8996_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= qmp_v4_usb3_uniphy_regs_layout,
+
+	.start_ctrl		= SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+
+	.has_pwrdn_delay	= true,
+	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
+	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
+};
+
 static void qcom_qmp_phy_configure_lane(void __iomem *base,
 					const unsigned int *regs,
 					const struct qmp_phy_init_tbl tbl[],
@@ -4569,6 +4649,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
 	}, {
 		.compatible = "qcom,sm8250-qmp-modem-pcie-phy",
 		.data = &sm8250_qmp_gen3x2_pciephy_cfg,
+	}, {
+		.compatible = "qcom,sdx55-qmp-usb3-uni-phy",
+		.data = &sdx55_usb3_uniphy_cfg,
 	},
 	{ },
 };
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index ee586226e438..04413b070a4e 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -726,6 +726,22 @@ static const struct adsp_data wcss_resource_init = {
 	.ssctl_id = 0x12,
 };
 
+static const struct adsp_data sdx55_mpss_resource = {
+	.crash_reason_smem = 421,
+	.firmware_name = "modem.mdt",
+	.pas_id = 4,
+	.has_aggre2_clk = false,
+	.auto_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mss",
+		NULL
+	},
+	.ssr_name = "mpss",
+	.sysmon_name = "modem",
+	.ssctl_id = 0x22,
+};
+
 static const struct of_device_id adsp_of_match[] = {
 	{ .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
 	{ .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init},
@@ -745,6 +761,7 @@ static const struct of_device_id adsp_of_match[] = {
 	{ .compatible = "qcom,sm8250-adsp-pas", .data = &sm8250_adsp_resource},
 	{ .compatible = "qcom,sm8250-cdsp-pas", .data = &sm8250_cdsp_resource},
 	{ .compatible = "qcom,sm8250-slpi-pas", .data = &sm8250_slpi_resource},
+	{ .compatible = "qcom,sdx55-mpss-pas", .data = &sdx55_mpss_resource},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, adsp_of_match);
diff --git a/include/dt-bindings/interconnect/qcom,sdx55.h b/include/dt-bindings/interconnect/qcom,sdx55.h
new file mode 100644
index 000000000000..bfb6524a2d90
--- /dev/null
+++ b/include/dt-bindings/interconnect/qcom,sdx55.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Qualcomm SDX55 interconnect IDs
+ *
+ * Copyright (c) 2021, Linaro Ltd.
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_SDX55_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_SDX55_H
+
+#define MASTER_LLCC			0
+#define SLAVE_EBI_CH0			1
+
+#define MASTER_TCU_0			0
+#define MASTER_SNOC_GC_MEM_NOC		1
+#define MASTER_AMPSS_M0			2
+#define SLAVE_LLCC			3
+#define SLAVE_MEM_NOC_SNOC		4
+#define SLAVE_MEM_NOC_PCIE_SNOC		5
+
+#define MASTER_AUDIO			0
+#define MASTER_BLSP_1			1
+#define MASTER_QDSS_BAM			2
+#define MASTER_QPIC			3
+#define MASTER_SNOC_CFG			4
+#define MASTER_SPMI_FETCHER		5
+#define MASTER_ANOC_SNOC		6
+#define MASTER_IPA			7
+#define MASTER_MEM_NOC_SNOC		8
+#define MASTER_MEM_NOC_PCIE_SNOC	9
+#define MASTER_CRYPTO_CORE_0		10
+#define MASTER_EMAC			11
+#define MASTER_IPA_PCIE			12
+#define MASTER_PCIE			13
+#define MASTER_QDSS_ETR			14
+#define MASTER_SDCC_1			15
+#define MASTER_USB3			16
+#define SLAVE_AOP			17
+#define SLAVE_AOSS			18
+#define SLAVE_APPSS			19
+#define SLAVE_AUDIO			20
+#define SLAVE_BLSP_1			21
+#define SLAVE_CLK_CTL			22
+#define SLAVE_CRYPTO_0_CFG		23
+#define SLAVE_CNOC_DDRSS		24
+#define SLAVE_ECC_CFG			25
+#define SLAVE_EMAC_CFG			26
+#define SLAVE_IMEM_CFG			27
+#define SLAVE_IPA_CFG			28
+#define SLAVE_CNOC_MSS			29
+#define SLAVE_PCIE_PARF			30
+#define SLAVE_PDM			31
+#define SLAVE_PRNG			32
+#define SLAVE_QDSS_CFG			33
+#define SLAVE_QPIC			34
+#define SLAVE_SDCC_1			35
+#define SLAVE_SNOC_CFG			36
+#define SLAVE_SPMI_FETCHER		37
+#define SLAVE_SPMI_VGI_COEX		38
+#define SLAVE_TCSR			39
+#define SLAVE_TLMM			40
+#define SLAVE_USB3			41
+#define SLAVE_USB3_PHY_CFG		42
+#define SLAVE_ANOC_SNOC			43
+#define SLAVE_SNOC_MEM_NOC_GC		44
+#define SLAVE_OCIMEM			45
+#define SLAVE_SERVICE_SNOC		46
+#define SLAVE_PCIE_0			47
+#define SLAVE_QDSS_STM			48
+#define SLAVE_TCU			49
+
+#define MASTER_IPA_CORE			0
+#define SLAVE_IPA_CORE			1
+
+#endif