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path: root/target/linux/ixp4xx/patches-3.3/193-cambria_pld_gpio.patch
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Diffstat (limited to 'target/linux/ixp4xx/patches-3.3/193-cambria_pld_gpio.patch')
-rw-r--r--target/linux/ixp4xx/patches-3.3/193-cambria_pld_gpio.patch107
1 files changed, 107 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-3.3/193-cambria_pld_gpio.patch b/target/linux/ixp4xx/patches-3.3/193-cambria_pld_gpio.patch
new file mode 100644
index 000000000..171898d6c
--- /dev/null
+++ b/target/linux/ixp4xx/patches-3.3/193-cambria_pld_gpio.patch
@@ -0,0 +1,107 @@
+--- a/arch/arm/mach-ixp4xx/cambria-setup.c
++++ b/arch/arm/mach-ixp4xx/cambria-setup.c
+@@ -12,11 +12,14 @@
+ */
+
+ #include <linux/device.h>
++#include <linux/gpio_buttons.h>
+ #include <linux/i2c.h>
+ #include <linux/i2c-gpio.h>
+ #include <linux/i2c/at24.h>
++#include <linux/i2c/gw_i2c_pld.h>
+ #include <linux/if_ether.h>
+ #include <linux/init.h>
++#include <linux/input.h>
+ #include <linux/kernel.h>
+ #include <linux/leds.h>
+ #include <linux/memory.h>
+@@ -323,6 +326,39 @@ static struct platform_device cambria_us
+ },
+ };
+
++static struct gw_i2c_pld_platform_data gw_i2c_pld_data0 = {
++ .gpio_base = 16,
++ .nr_gpio = 8,
++};
++
++static struct gw_i2c_pld_platform_data gw_i2c_pld_data1 = {
++ .gpio_base = 24,
++ .nr_gpio = 2,
++};
++
++
++static struct gpio_button cambria_gpio_buttons[] = {
++ {
++ .desc = "user",
++ .type = EV_KEY,
++ .code = BTN_0,
++ .threshold = 2,
++ .gpio = 25,
++ }
++};
++
++static struct gpio_buttons_platform_data cambria_gpio_buttons_data = {
++ .poll_interval = 500,
++ .nbuttons = 1,
++ .buttons = cambria_gpio_buttons,
++};
++
++static struct platform_device cambria_gpio_buttons_device = {
++ .name = "gpio-buttons",
++ .id = -1,
++ .dev.platform_data = &cambria_gpio_buttons_data,
++};
++
+ static struct platform_device *cambria_devices[] __initdata = {
+ &cambria_i2c_gpio,
+ &cambria_flash,
+@@ -331,6 +367,11 @@ static struct platform_device *cambria_d
+
+ static void __init cambria_gw23xx_setup(void)
+ {
++ cambria_gpio_resources[0].start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) |\
++ (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12);
++ cambria_gpio_resources[0].end = cambria_gpio_resources[0].start;
++
++ platform_device_register(&cambria_gpio);
+ platform_device_register(&cambria_npec_device);
+ platform_device_register(&cambria_npea_device);
+ }
+@@ -377,7 +418,8 @@ static void __init cambria_gw2358_setup(
+ cambria_optional_uart_data[1].membase = (void __iomem *)ioremap(0x53F80000, 0x0fff);
+ cambria_optional_uart_data[1].irq = IRQ_IXP4XX_GPIO4;
+
+- cambria_gpio_resources[0].start = (1 << 14);
++ cambria_gpio_resources[0].start = (1 << 14) | (1 << 16) | (1 << 17) | (1 << 18) |\
++ (1 << 19) | (1 << 20) | (1 << 24) | (1 << 25);
+ cambria_gpio_resources[0].end = cambria_gpio_resources[0].start;
+
+ platform_device_register(&cambria_gpio);
+@@ -391,7 +433,12 @@ static void __init cambria_gw2358_setup(
+
+ platform_device_register(&cambria_pata);
+
++ cambria_gpio_leds[0].gpio = 24;
++ platform_device_register(&cambria_gpio_leds_device);
++
+ platform_device_register(&cambria_latch_leds_device);
++
++ platform_device_register(&cambria_gpio_buttons_device);
+ }
+
+ static struct cambria_board_info cambria_boards[] __initdata = {
+@@ -460,6 +507,14 @@ static struct i2c_board_info __initdata
+ I2C_BOARD_INFO("24c08", 0x51),
+ .platform_data = &cambria_eeprom_info
+ },
++ {
++ I2C_BOARD_INFO("gw_i2c_pld", 0x56),
++ .platform_data = &gw_i2c_pld_data0,
++ },
++ {
++ I2C_BOARD_INFO("gw_i2c_pld", 0x57),
++ .platform_data = &gw_i2c_pld_data1,
++ },
+ };
+
+ static void __init cambria_init(void)