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authorYash Shah <yash.shah@sifive.com>2019-12-10 16:41:14 +0530
committerPalmer Dabbelt <palmerdabbelt@google.com>2020-01-29 14:58:08 +0000
commit61ffb9d27860769c5d5596f6e4cca3cded2755e0 (patch)
treeeb373f79f7676e619a47ead367bd91b5c1fe3976 /arch/riscv/boot
parent6435f773d81f02193228685a7e3fe65c983c5de0 (diff)
downloadlinux-61ffb9d27860769c5d5596f6e4cca3cded2755e0.tar.gz
riscv: dts: Add DT support for SiFive FU540 GPIO driver
Add the gpio DT node in SiFive FU540 soc-specific DT file. Enable the gpio node in HiFive Unleashed board-specific DT file. Signed-off-by: Yash Shah <yash.shah@sifive.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/boot')
-rw-r--r--arch/riscv/boot/dts/sifive/fu540-c000.dtsi15
-rw-r--r--arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts4
2 files changed, 18 insertions, 1 deletions
diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
index a2e3d54e830c..7db861053483 100644
--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
@@ -268,6 +268,19 @@
interrupts = <1 2 3>;
reg = <0x0 0x2010000 0x0 0x1000>;
};
-
+ gpio: gpio@10060000 {
+ compatible = "sifive,fu540-c000-gpio", "sifive,gpio0";
+ interrupt-parent = <&plic0>;
+ interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>,
+ <14>, <15>, <16>, <17>, <18>, <19>, <20>,
+ <21>, <22>;
+ reg = <0x0 0x10060000 0x0 0x1000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&prci PRCI_CLK_TLCLK>;
+ status = "disabled";
+ };
};
};
diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
index 88cfcb96bf23..609198cb1163 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -94,3 +94,7 @@
&pwm1 {
status = "okay";
};
+
+&gpio {
+ status = "okay";
+};