[PATCH 1/1] ARM: davinci: devices.c: support gpio platform device

From: Philip Avinash
Date: Fri Jun 14 2013 - 05:35:29 EST


DaVinci GPIO driver now uses platform device model.
Add a GPIO platform register API to convert the
traditional DaVinci SoCs to use the new model.

Signed-off-by: Philip Avinash <avinashphilip@xxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
[nsekhar@xxxxxx: move function declaration to local header,
simplify commit message]
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
---
arch/arm/mach-davinci/davinci.h | 2 ++
arch/arm/mach-davinci/devices.c | 13 +++++++++++++
2 files changed, 15 insertions(+)

diff --git a/arch/arm/mach-davinci/davinci.h b/arch/arm/mach-davinci/davinci.h
index 1ab3df4..5c0f0c1 100644
--- a/arch/arm/mach-davinci/davinci.h
+++ b/arch/arm/mach-davinci/davinci.h
@@ -53,6 +53,8 @@ extern void __iomem *davinci_sysmod_base;
#define DAVINCI_SYSMOD_VIRT(x) (davinci_sysmod_base + (x))
void davinci_map_sysmod(void);

+int davinci_gpio_register(struct resource *res, int size, void *pdata);
+
/* DM355 base addresses */
#define DM355_ASYNC_EMIF_CONTROL_BASE 0x01e10000
#define DM355_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index a7068a3..b4f345b 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -313,6 +313,19 @@ static void davinci_init_wdt(void)
platform_device_register(&davinci_wdt_device);
}

+static struct platform_device davinci_gpio_device = {
+ .name = "davinci_gpio",
+ .id = -1,
+};
+
+int davinci_gpio_register(struct resource *res, int size, void *pdata)
+{
+ davinci_gpio_device.resource = res;
+ davinci_gpio_device.num_resources = size;
+ davinci_gpio_device.dev.platform_data = pdata;
+ return platform_device_register(&davinci_gpio_device);
+}
+
/*-------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------*/
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