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ramips: define GPIO chips separately for each SoCs

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26326 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2011-03-27 19:19:59 +00:00
parent 5045f0c4da
commit 6513a4df99
7 changed files with 152 additions and 84 deletions
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73
target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
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@@ -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);