ARM: davinci: da8xx: support gpio platform device

DaVinci GPIO driver now uses platform device model.
Convert DA8XX SoC code to use the new model.

Add da8xx_register_gpio() to create platform device for da8xx
platforms.

Signed-off-by: KV Sujith <sujithkv@ti.com>
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
[nsekhar@ti.com: simplify commit message]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>

4 files changed, 51 insertions, 10 deletions

diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index d6c746e35ad9..0813b5167e05 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -11,6 +11,7 @@
 #include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/platform_data/gpio-davinci.h>
 
 #include <asm/mach/map.h>
 
@@ -20,7 +21,6 @@
 #include <mach/common.h>
 #include <mach/time.h>
 #include <mach/da8xx.h>
-#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -1151,6 +1151,16 @@ static struct davinci_id da830_ids[] = {
         },
 };
 
+static struct davinci_gpio_platform_data da830_gpio_platform_data = {
+        .ngpio = 128,
+        .intc_irq_num = DA830_N_CP_INTC_IRQ,
+};
+
+int __init da830_register_gpio(void)
+{
+        return da8xx_register_gpio(&da830_gpio_platform_data);
+}
+
 static struct davinci_timer_instance da830_timer_instance[2] = {
         {
                 .base           = DA8XX_TIMER64P0_BASE,
@@ -1196,10 +1206,6 @@ static struct davinci_soc_info davinci_soc_info_da830 = {
         .intc_irq_prios         = da830_default_priorities,
         .intc_irq_num           = DA830_N_CP_INTC_IRQ,
         .timer_info             = &da830_timer_info,
-        .gpio_type              = GPIO_TYPE_DAVINCI,
-        .gpio_base              = DA8XX_GPIO_BASE,
-        .gpio_num               = 128,
-        .gpio_irq               = IRQ_DA8XX_GPIO0,
         .emac_pdata             = &da8xx_emac_pdata,
 };
 
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index f56e5fbfa2fd..352984e1528a 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/cpufreq.h>
 #include <linux/regulator/consumer.h>
+#include <linux/platform_data/gpio-davinci.h>
 
 #include <asm/mach/map.h>
 
@@ -28,7 +29,6 @@
 #include <mach/da8xx.h>
 #include <mach/cpufreq.h>
 #include <mach/pm.h>
-#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -1281,6 +1281,16 @@ int __init da850_register_vpif_capture(struct vpif_capture_config
         return platform_device_register(&da850_vpif_capture_dev);
 }
 
+static struct davinci_gpio_platform_data da850_gpio_platform_data = {
+        .ngpio = 144,
+        .intc_irq_num = DA850_N_CP_INTC_IRQ,
+};
+
+int __init da850_register_gpio(void)
+{
+        return da8xx_register_gpio(&da850_gpio_platform_data);
+}
+
 static struct davinci_soc_info davinci_soc_info_da850 = {
         .io_desc                = da850_io_desc,
         .io_desc_num            = ARRAY_SIZE(da850_io_desc),
@@ -1298,10 +1308,6 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
         .intc_irq_prios         = da850_default_priorities,
         .intc_irq_num           = DA850_N_CP_INTC_IRQ,
         .timer_info             = &da850_timer_info,
-        .gpio_type              = GPIO_TYPE_DAVINCI,
-        .gpio_base              = DA8XX_GPIO_BASE,
-        .gpio_num               = 144,
-        .gpio_irq               = IRQ_DA8XX_GPIO0,
         .emac_pdata             = &da8xx_emac_pdata,
         .sram_dma               = DA8XX_SHARED_RAM_BASE,
         .sram_len               = SZ_128K,
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 2e473fefd71e..c46eccbbd512 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -665,6 +665,32 @@ 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 aae53072c0eb..39e58b48e826 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -97,6 +97,7 @@ int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
 int da850_register_mmcsd1(struct davinci_mmc_config *config);
 void 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 *da8xx_get_mem_ctlr(void);
@@ -110,6 +111,8 @@ int da850_register_vpif_capture
 void da8xx_restart(enum reboot_mode mode, const char *cmd);
 void da8xx_rproc_reserve_cma(void);
 int da8xx_register_rproc(void);
+int da850_register_gpio(void);
+int da830_register_gpio(void);
 
 extern struct platform_device da8xx_serial_device[];
 extern struct emac_platform_data da8xx_emac_pdata;