mx53_loco: add srtc device

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>

7 files changed, 80 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index d3a530aaa55..d03b6d2239d 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -202,6 +202,7 @@ config MACH_MX53_LOCO
 	select SOC_IMX53
 	select IMX_HAVE_PLATFORM_IMX2_WDT
 	select IMX_HAVE_PLATFORM_IMX_I2C
+	select IMX_HAVE_PLATFORM_IMX_SRTC
 	select IMX_HAVE_PLATFORM_IMX_UART
 	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
 	select IMX_HAVE_PLATFORM_GPIO_KEYS
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 420cc6b92a2..cff8cd157ec 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -271,6 +271,7 @@ static void __init mx53_loco_board_init(void)
 	imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
 	imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
 	imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
+	imx53_add_srtc();
 	imx_add_gpio_keys(&loco_button_data);
 	gpio_led_register_device(-1, &mx53loco_leds_data);
 	irq_set_irq_wake(gpio_to_irq(MX53_LOCO_POWER), 1);
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index c27fe8bb476..f472517c0bb 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -40,3 +40,7 @@ extern const struct imx_imx_ssi_data imx53_imx_ssi_data[];
 extern const struct imx_imx_keypad_data imx53_imx_keypad_data;
 #define imx53_add_imx_keypad(pdata)	\
 	imx_add_imx_keypad(&imx53_imx_keypad_data, pdata)
+
+extern const struct imx_srtc_data imx53_imx_srtc_data __initconst;
+#define imx53_add_srtc()	\
+	imx_add_srtc(&imx53_imx_srtc_data)
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index bd294add932..48921429899 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -22,6 +22,9 @@ config IMX_HAVE_PLATFORM_IMX2_WDT
 config IMX_HAVE_PLATFORM_IMXDI_RTC
 	bool
 
+config IMX_HAVE_PLATFORM_IMX_SRTC
+	bool
+
 config IMX_HAVE_PLATFORM_IMX_FB
 	bool
 
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index b41bf972b54..08c4840302b 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -6,6 +6,7 @@ obj-y += platform-gpio-mxc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX21_HCD) += platform-imx21-hcd.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT) += platform-imx2-wdt.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMXDI_RTC) += platform-imxdi_rtc.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SRTC) += platform-imx_srtc.o
 obj-y += platform-imx-dma.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_FB) += platform-imx-fb.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx_srtc.c b/arch/arm/plat-mxc/devices/platform-imx_srtc.c
new file mode 100644
index 00000000000..9e4191ecd52
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx_srtc.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <asm/sizes.h>
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_imx_srtc_data_entry_single(soc)				\
+	{								\
+		.iobase = soc ## _SRTC_BASE_ADDR,			\
+		.irq = soc ## _INT_SRTC_NTZ,				\
+	}
+
+#ifdef CONFIG_SOC_IMX50
+const struct imx_srtc_data imx50_imx_srtc_data __initconst =
+	imx_imx_srtc_data_entry_single(MX50);
+#endif /* ifdef CONFIG_SOC_IMX50 */
+
+#ifdef CONFIG_SOC_IMX51
+const struct imx_srtc_data imx51_imx_srtc_data __initconst =
+	imx_imx_srtc_data_entry_single(MX51);
+#endif /* ifdef CONFIG_SOC_IMX51 */
+
+#ifdef CONFIG_SOC_IMX53
+const struct imx_srtc_data imx53_imx_srtc_data __initconst =
+	imx_imx_srtc_data_entry_single(MX53);
+#endif /* ifdef CONFIG_SOC_IMX53 */
+
+struct platform_device *__init imx_add_srtc(
+		const struct imx_srtc_data *data)
+{
+	struct resource res[] = {
+		{
+			.start = data->iobase,
+			.end = data->iobase + SZ_16K - 1,
+			.flags = IORESOURCE_MEM,
+		}, {
+			.start = data->irq,
+			.end = data->irq,
+			.flags = IORESOURCE_IRQ,
+		},
+	};
+
+	return imx_add_platform_device("mxc_rtc", 0,
+			res, ARRAY_SIZE(res), NULL, 0);
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 524538aabc4..e4fcaee790d 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -301,3 +301,10 @@ struct platform_device *__init imx_add_spi_imx(
 struct platform_device *imx_add_imx_dma(void);
 struct platform_device *imx_add_imx_sdma(char *name,
 	resource_size_t iobase, int irq, struct sdma_platform_data *pdata);
+
+struct imx_srtc_data {
+	resource_size_t iobase;
+	resource_size_t irq;
+};
+struct platform_device *__init imx_add_srtc(
+		const struct imx_srtc_data *data);