ramips: define GPIO chips separately for each SoCs

SVN-Revision: 26326

1 files changed, 72 insertions, 1 deletions

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 c87a360294..53b1a69114 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);