gpio/omap: consolidate direction, input, output, remove #ifdefs
Add register offset fields to GPIO platform_data for registers.
This patch adds registers that control direction, input and output
data. Using these register offsets in the common driver allows
removal of #ifdefs and greatly improves readability.
Also create dedicated data out functions: one for banks with dedicated
set/clear registers, and another for banks with a single mask
register.
Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/mach-omap1/gpio7xx.c b/arch/arm/mach-omap1/gpio7xx.c
index 1204c8b..efe4dcc 100644
--- a/arch/arm/mach-omap1/gpio7xx.c
+++ b/arch/arm/mach-omap1/gpio7xx.c
@@ -39,11 +39,18 @@
},
};
+static struct omap_gpio_reg_offs omap7xx_mpuio_regs = {
+ .direction = OMAP_MPUIO_IO_CNTL / 2,
+ .datain = OMAP_MPUIO_INPUT_LATCH / 2,
+ .dataout = OMAP_MPUIO_OUTPUT / 2,
+};
+
static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = {
.virtual_irq_start = IH_MPUIO_BASE,
.bank_type = METHOD_MPUIO,
.bank_width = 32,
.bank_stride = 2,
+ .regs = &omap7xx_mpuio_regs,
};
static struct __initdata platform_device omap7xx_mpu_gpio = {
@@ -69,10 +76,17 @@
},
};
+static struct omap_gpio_reg_offs omap7xx_gpio_regs = {
+ .direction = OMAP7XX_GPIO_DIR_CONTROL,
+ .datain = OMAP7XX_GPIO_DATA_INPUT,
+ .dataout = OMAP7XX_GPIO_DATA_OUTPUT,
+};
+
static struct __initdata omap_gpio_platform_data omap7xx_gpio1_config = {
.virtual_irq_start = IH_GPIO_BASE,
.bank_type = METHOD_GPIO_7XX,
.bank_width = 32,
+ .regs = &omap7xx_gpio_regs,
};
static struct __initdata platform_device omap7xx_gpio1 = {
@@ -102,6 +116,7 @@
.virtual_irq_start = IH_GPIO_BASE + 32,
.bank_type = METHOD_GPIO_7XX,
.bank_width = 32,
+ .regs = &omap7xx_gpio_regs,
};
static struct __initdata platform_device omap7xx_gpio2 = {
@@ -131,6 +146,7 @@
.virtual_irq_start = IH_GPIO_BASE + 64,
.bank_type = METHOD_GPIO_7XX,
.bank_width = 32,
+ .regs = &omap7xx_gpio_regs,
};
static struct __initdata platform_device omap7xx_gpio3 = {
@@ -160,6 +176,7 @@
.virtual_irq_start = IH_GPIO_BASE + 96,
.bank_type = METHOD_GPIO_7XX,
.bank_width = 32,
+ .regs = &omap7xx_gpio_regs,
};
static struct __initdata platform_device omap7xx_gpio4 = {
@@ -189,6 +206,7 @@
.virtual_irq_start = IH_GPIO_BASE + 128,
.bank_type = METHOD_GPIO_7XX,
.bank_width = 32,
+ .regs = &omap7xx_gpio_regs,
};
static struct __initdata platform_device omap7xx_gpio5 = {
@@ -218,6 +236,7 @@
.virtual_irq_start = IH_GPIO_BASE + 160,
.bank_type = METHOD_GPIO_7XX,
.bank_width = 32,
+ .regs = &omap7xx_gpio_regs,
};
static struct __initdata platform_device omap7xx_gpio6 = {