From: KV Sujith <sujit...@ti.com>

gpio controller resource information being associated with
davinci_soc_info structure and not created any device. Hence davinci
gpio didn't fall under proper device model. This patch creates gpio
davinci as a platform device for da8xx platforms.

- Add Memory and IRQ resources for DA8xx.
- Register GPIO platform driver for DA8xx.
- Add da8xx_register_gpio API to create platform device for da8xx
  platforms.

Signed-off-by: KV Sujith <sujit...@ti.com>
Signed-off-by: Philip Avinash <avinashphi...@ti.com>
---
 arch/arm/mach-davinci/devices-da8xx.c      |   26 ++++++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/da8xx.h |    1 +
 2 files changed, 27 insertions(+)

diff --git a/arch/arm/mach-davinci/devices-da8xx.c 
b/arch/arm/mach-davinci/devices-da8xx.c
index bf57252..892ad86 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -640,6 +640,32 @@ int __init da8xx_register_lcdc(struct 
da8xx_lcdc_platform_data *pdata)
        return platform_device_register(&da8xx_lcdc_device);
 }
 
+static struct resource da8xx_gpio_resources[] = {
+       { /* registers */
+               .start  = DA8XX_GPIO_BASE,
+               .end    = DA8XX_GPIO_BASE + SZ_4K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       { /* interrupt */
+               .start  = IRQ_DA8XX_GPIO0,
+               .end    = IRQ_DA8XX_GPIO8,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device da8xx_gpio_device = {
+       .name           = "davinci_gpio",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(da8xx_gpio_resources),
+       .resource       = da8xx_gpio_resources,
+};
+
+int __init da8xx_register_gpio(void *pdata)
+{
+       da8xx_gpio_device.dev.platform_data = pdata;
+       return platform_device_register(&da8xx_gpio_device);
+}
+
 static struct resource da8xx_mmcsd0_resources[] = {
        {               /* registers */
                .start  = DA8XX_MMCSD0_BASE,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h 
b/arch/arm/mach-davinci/include/mach/da8xx.h
index 2e1c9ea..aa66690 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -96,6 +96,7 @@ int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
 int da850_register_mmcsd1(struct davinci_mmc_config *config);
 void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata);
 int da8xx_register_rtc(void);
+int da8xx_register_gpio(void *pdata);
 int da850_register_cpufreq(char *async_clk);
 int da8xx_register_cpuidle(void);
 void __iomem * __init da8xx_get_mem_ctlr(void);
-- 
1.7.9.5

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