diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-4.9/310-gtwx5717_spi_bus.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-4.9/310-gtwx5717_spi_bus.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-4.9/310-gtwx5717_spi_bus.patch b/target/linux/ixp4xx/patches-4.9/310-gtwx5717_spi_bus.patch new file mode 100644 index 0000000000..51f3f14510 --- /dev/null +++ b/target/linux/ixp4xx/patches-4.9/310-gtwx5717_spi_bus.patch @@ -0,0 +1,57 @@ +--- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c ++++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c +@@ -27,6 +27,8 @@ + #include <linux/serial.h> + #include <linux/tty.h> + #include <linux/serial_8250.h> ++#include <linux/spi/spi.h> ++#include <linux/spi/spi_gpio.h> + #include <asm/types.h> + #include <asm/setup.h> + #include <asm/memory.h> +@@ -146,9 +148,37 @@ static struct platform_device gtwx5715_f + .resource = >wx5715_flash_resource, + }; + ++static struct spi_gpio_platform_data gtwx5715_spi_platform_data = { ++ .sck = GTWX5715_KSSPI_CLOCK, ++ .mosi = GTWX5715_KSSPI_TXD, ++ .miso = GTWX5715_KSSPI_RXD, ++ .num_chipselect = 1, ++}; ++ ++static struct platform_device gtwx5715_spi_device = { ++ .name = "spi_gpio", ++ .id = 1, ++ .dev = { ++ .platform_data = >wx5715_spi_platform_data, ++ } ++}; ++ ++static struct spi_board_info gtwx5715_spi_devices[] __initdata = { ++ { ++ .modalias = "spi-ks8995", ++ .max_speed_hz = 5000000, ++ .mode = SPI_MODE_0, ++ .bus_num = 1, ++ .chip_select = 0, ++ .controller_data = (void *)GTWX5715_KSSPI_SELECT, ++ } ++}; ++ ++ + static struct platform_device *gtwx5715_devices[] __initdata = { + >wx5715_uart_device, + >wx5715_flash, ++ >wx5715_spi_device, + }; + + static void __init gtwx5715_init(void) +@@ -158,6 +188,7 @@ static void __init gtwx5715_init(void) + gtwx5715_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); + gtwx5715_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_8M - 1; + ++ spi_register_board_info(gtwx5715_spi_devices, ARRAY_SIZE(gtwx5715_spi_devices)); + platform_add_devices(gtwx5715_devices, ARRAY_SIZE(gtwx5715_devices)); + } + |