ramips: define GPIO chips separately for each SoCs

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26326 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 149 insertions, 72 deletions

diff --git a/target/linux/ramips/files/arch/mips/ralink/common/gpio.c b/target/linux/ramips/files/arch/mips/ralink/common/gpio.c
index ebaceead0..feb6cc2ec 100644
--- a/target/linux/ramips/files/arch/mips/ralink/common/gpio.c
+++ b/target/linux/ramips/files/arch/mips/ralink/common/gpio.c
@@ -86,72 +86,6 @@ static int ramips_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return !!(t & (1 << offset));
 }
 
-static struct ramips_gpio_chip ramips_gpio_chip0 = {
-	.chip = {
-		.label			= "ramips-gpio0",
-		.base			= 0,
-		.ngpio			= RALINK_SOC_GPIO0_COUNT,
-	},
-	.regs = {
-		[RAMIPS_GPIO_REG_INT]	= GPIO0_REG_INT,
-		[RAMIPS_GPIO_REG_EDGE]	= GPIO0_REG_EDGE,
-		[RAMIPS_GPIO_REG_RENA]	= GPIO0_REG_RENA,
-		[RAMIPS_GPIO_REG_FENA]	= GPIO0_REG_FENA,
-		[RAMIPS_GPIO_REG_DATA]	= GPIO0_REG_DATA,
-		[RAMIPS_GPIO_REG_DIR]	= GPIO0_REG_DIR,
-		[RAMIPS_GPIO_REG_POL]	= GPIO0_REG_POL,
-		[RAMIPS_GPIO_REG_SET]	= GPIO0_REG_SET,
-		[RAMIPS_GPIO_REG_RESET]	= GPIO0_REG_RESET,
-		[RAMIPS_GPIO_REG_TOGGLE] = GPIO0_REG_TOGGLE,
-	},
-	.map_base	= RALINK_SOC_GPIO_BASE,
-	.map_size	= PAGE_SIZE,
-};
-
-static struct ramips_gpio_chip ramips_gpio_chip1 = {
-	.chip = {
-		.label			= "ramips-gpio1",
-		.base			= 32,
-		.ngpio			= RALINK_SOC_GPIO1_COUNT,
-	},
-	.regs = {
-		[RAMIPS_GPIO_REG_INT]	= GPIO1_REG_INT,
-		[RAMIPS_GPIO_REG_EDGE]	= GPIO1_REG_EDGE,
-		[RAMIPS_GPIO_REG_RENA]	= GPIO1_REG_RENA,
-		[RAMIPS_GPIO_REG_FENA]	= GPIO1_REG_FENA,
-		[RAMIPS_GPIO_REG_DATA]	= GPIO1_REG_DATA,
-		[RAMIPS_GPIO_REG_DIR]	= GPIO1_REG_DIR,
-		[RAMIPS_GPIO_REG_POL]	= GPIO1_REG_POL,
-		[RAMIPS_GPIO_REG_SET]	= GPIO1_REG_SET,
-		[RAMIPS_GPIO_REG_RESET]	= GPIO1_REG_RESET,
-		[RAMIPS_GPIO_REG_TOGGLE] = GPIO1_REG_TOGGLE,
-	},
-	.map_base	= RALINK_SOC_GPIO_BASE,
-	.map_size	= PAGE_SIZE,
-};
-
-static struct ramips_gpio_chip ramips_gpio_chip2 = {
-	.chip = {
-		.label			= "ramips-gpio2",
-		.base			= 64,
-		.ngpio			= RALINK_SOC_GPIO2_COUNT,
-	},
-	.regs = {
-		[RAMIPS_GPIO_REG_INT]	= GPIO2_REG_INT,
-		[RAMIPS_GPIO_REG_EDGE]	= GPIO2_REG_EDGE,
-		[RAMIPS_GPIO_REG_RENA]	= GPIO2_REG_RENA,
-		[RAMIPS_GPIO_REG_FENA]	= GPIO2_REG_FENA,
-		[RAMIPS_GPIO_REG_DATA]	= GPIO2_REG_DATA,
-		[RAMIPS_GPIO_REG_DIR]	= GPIO2_REG_DIR,
-		[RAMIPS_GPIO_REG_POL]	= GPIO2_REG_POL,
-		[RAMIPS_GPIO_REG_SET]	= GPIO2_REG_SET,
-		[RAMIPS_GPIO_REG_RESET]	= GPIO2_REG_RESET,
-		[RAMIPS_GPIO_REG_TOGGLE] = GPIO2_REG_TOGGLE,
-	},
-	.map_base	= RALINK_SOC_GPIO_BASE,
-	.map_size	= PAGE_SIZE,
-};
-
 static __init void ramips_gpio_chip_add(struct ramips_gpio_chip *rg)
 {
 	spin_lock_init(&rg->lock);
@@ -169,11 +103,12 @@ static __init void ramips_gpio_chip_add(struct ramips_gpio_chip *rg)
 	gpiochip_add(&rg->chip);
 }
 
-__init int ramips_gpio_init(void)
+__init int ramips_gpio_init(struct ramips_gpio_data *data)
 {
-	ramips_gpio_chip_add(&ramips_gpio_chip0);
-	ramips_gpio_chip_add(&ramips_gpio_chip1);
-	ramips_gpio_chip_add(&ramips_gpio_chip2);
+	int i;
+
+	for (i = 0; i < data->num_chips; i++)
+		ramips_gpio_chip_add(&data->chips[i]);
 
 	return 0;
 }
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
index c87a36029..53b1a6911 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
@@ -43,6 +43,77 @@ void __init rt288x_detect_sys_type(void)
 		(id & CHIP_ID_REV_MASK));
 }
 
+static struct ramips_gpio_chip rt288x_gpio_chips[] = {
+	{
+		.chip = {
+			.label	= "RT288X-GPIO0",
+			.base	= 0,
+			.ngpio	= 24,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x00,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x04,
+			[RAMIPS_GPIO_REG_RENA]	= 0x08,
+			[RAMIPS_GPIO_REG_FENA]	= 0x0c,
+			[RAMIPS_GPIO_REG_DATA]	= 0x20,
+			[RAMIPS_GPIO_REG_DIR]	= 0x24,
+			[RAMIPS_GPIO_REG_POL]	= 0x28,
+			[RAMIPS_GPIO_REG_SET]	= 0x2c,
+			[RAMIPS_GPIO_REG_RESET]	= 0x30,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x34,
+		},
+		.map_base = RT2880_PIO_BASE,
+		.map_size = RT2880_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT288X-GPIO1",
+			.base	= 24,
+			.ngpio	= 16,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x38,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x3c,
+			[RAMIPS_GPIO_REG_RENA]	= 0x40,
+			[RAMIPS_GPIO_REG_FENA]	= 0x44,
+			[RAMIPS_GPIO_REG_DATA]	= 0x48,
+			[RAMIPS_GPIO_REG_DIR]	= 0x4c,
+			[RAMIPS_GPIO_REG_POL]	= 0x50,
+			[RAMIPS_GPIO_REG_SET]	= 0x54,
+			[RAMIPS_GPIO_REG_RESET]	= 0x58,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x5c,
+		},
+		.map_base = RT2880_PIO_BASE,
+		.map_size = RT2880_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT288X-GPIO2",
+			.base	= 40,
+			.ngpio	= 32,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x60,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x64,
+			[RAMIPS_GPIO_REG_RENA]	= 0x68,
+			[RAMIPS_GPIO_REG_FENA]	= 0x6c,
+			[RAMIPS_GPIO_REG_DATA]	= 0x70,
+			[RAMIPS_GPIO_REG_DIR]	= 0x74,
+			[RAMIPS_GPIO_REG_POL]	= 0x78,
+			[RAMIPS_GPIO_REG_SET]	= 0x7c,
+			[RAMIPS_GPIO_REG_RESET]	= 0x80,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x84,
+		},
+		.map_base = RT2880_PIO_BASE,
+		.map_size = RT2880_PIO_SIZE,
+	},
+};
+
+static struct ramips_gpio_data rt288x_gpio_data = {
+	.chips = rt288x_gpio_chips,
+	.num_chips = ARRAY_SIZE(rt288x_gpio_chips),
+};
+
 static void rt288x_gpio_reserve(int first, int last)
 {
 	for (; first <= last; first++)
@@ -53,7 +124,7 @@ void __init rt288x_gpio_init(u32 mode)
 {
 	rt288x_sysc_wr(mode, SYSC_REG_GPIO_MODE);
 
-	ramips_gpio_init();
+	ramips_gpio_init(&rt288x_gpio_data);
 	if ((mode & RT2880_GPIO_MODE_I2C) == 0)
 		rt288x_gpio_reserve(1, 2);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
index 70f548a11..5916888f0 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c
@@ -43,6 +43,77 @@ void __init rt305x_detect_sys_type(void)
 		(id & CHIP_ID_REV_MASK));
 }
 
+static struct ramips_gpio_chip rt305x_gpio_chips[] = {
+	{
+		.chip = {
+			.label	= "RT305X-GPIO0",
+			.base	= 0,
+			.ngpio	= 24,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x00,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x04,
+			[RAMIPS_GPIO_REG_RENA]	= 0x08,
+			[RAMIPS_GPIO_REG_FENA]	= 0x0c,
+			[RAMIPS_GPIO_REG_DATA]	= 0x20,
+			[RAMIPS_GPIO_REG_DIR]	= 0x24,
+			[RAMIPS_GPIO_REG_POL]	= 0x28,
+			[RAMIPS_GPIO_REG_SET]	= 0x2c,
+			[RAMIPS_GPIO_REG_RESET]	= 0x30,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x34,
+		},
+		.map_base = RT305X_PIO_BASE,
+		.map_size = RT305X_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT305X-GPIO1",
+			.base	= 24,
+			.ngpio	= 16,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x38,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x3c,
+			[RAMIPS_GPIO_REG_RENA]	= 0x40,
+			[RAMIPS_GPIO_REG_FENA]	= 0x44,
+			[RAMIPS_GPIO_REG_DATA]	= 0x48,
+			[RAMIPS_GPIO_REG_DIR]	= 0x4c,
+			[RAMIPS_GPIO_REG_POL]	= 0x50,
+			[RAMIPS_GPIO_REG_SET]	= 0x54,
+			[RAMIPS_GPIO_REG_RESET]	= 0x58,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x5c,
+		},
+		.map_base = RT305X_PIO_BASE,
+		.map_size = RT305X_PIO_SIZE,
+	},
+	{
+		.chip = {
+			.label	= "RT305X-GPIO2",
+			.base	= 40,
+			.ngpio	= 12,
+		},
+		.regs = {
+			[RAMIPS_GPIO_REG_INT]	= 0x60,
+			[RAMIPS_GPIO_REG_EDGE]	= 0x64,
+			[RAMIPS_GPIO_REG_RENA]	= 0x68,
+			[RAMIPS_GPIO_REG_FENA]	= 0x6c,
+			[RAMIPS_GPIO_REG_DATA]	= 0x70,
+			[RAMIPS_GPIO_REG_DIR]	= 0x74,
+			[RAMIPS_GPIO_REG_POL]	= 0x78,
+			[RAMIPS_GPIO_REG_SET]	= 0x7c,
+			[RAMIPS_GPIO_REG_RESET]	= 0x80,
+			[RAMIPS_GPIO_REG_TOGGLE] = 0x84,
+		},
+		.map_base = RT305X_PIO_BASE,
+		.map_size = RT305X_PIO_SIZE,
+	},
+};
+
+static struct ramips_gpio_data rt305x_gpio_data = {
+	.chips = rt305x_gpio_chips,
+	.num_chips = ARRAY_SIZE(rt305x_gpio_chips),
+};
+
 static void rt305x_gpio_reserve(int first, int last)
 {
 	for (; first <= last; first++)
@@ -55,7 +126,7 @@ void __init rt305x_gpio_init(u32 mode)
 
 	rt305x_sysc_wr(mode, SYSC_REG_GPIO_MODE);
 
-	ramips_gpio_init();
+	ramips_gpio_init(&rt305x_gpio_data);
 	if ((mode & RT305X_GPIO_MODE_I2C) == 0)
 		rt305x_gpio_reserve(RT305X_GPIO_I2C_SD, RT305X_GPIO_I2C_SCLK);