target/linux/ixp4xx/patches-4.9/310-gtwx5717_spi_bus.patch

   1 --- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c
   2 +++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
   3 @@ -27,6 +27,8 @@
   4  #include <linux/serial.h>
   5  #include <linux/tty.h>
   6  #include <linux/serial_8250.h>
   7 +#include <linux/spi/spi.h>
   8 +#include <linux/spi/spi_gpio.h>
   9  #include <asm/types.h>
  10  #include <asm/setup.h>
  11  #include <asm/memory.h>
  12 @@ -146,9 +148,37 @@ static struct platform_device gtwx5715_f
  13         .resource       = &gtwx5715_flash_resource,
  14  };
  15
  16 +static struct spi_gpio_platform_data gtwx5715_spi_platform_data = {
  17 +        .sck            = GTWX5715_KSSPI_CLOCK,
  18 +        .mosi           = GTWX5715_KSSPI_TXD,
  19 +        .miso           = GTWX5715_KSSPI_RXD,
  20 +        .num_chipselect = 1,
  21 +};
  22 +
  23 +static struct platform_device gtwx5715_spi_device = {
  24 +        .name   = "spi_gpio",
  25 +        .id     = 1,
  26 +        .dev    = {
  27 +                .platform_data  = &gtwx5715_spi_platform_data,
  28 +       }
  29 +};
  30 +
  31 +static struct spi_board_info gtwx5715_spi_devices[] __initdata = {
  32 +        {
  33 +                .modalias               = "spi-ks8995",
  34 +                .max_speed_hz           = 5000000,
  35 +                .mode                   = SPI_MODE_0,
  36 +                .bus_num                = 1,
  37 +                .chip_select            = 0,
  38 +                .controller_data        = (void *)GTWX5715_KSSPI_SELECT,
  39 +       }
  40 +};
  41 +
  42 +
  43  static struct platform_device *gtwx5715_devices[] __initdata = {
  44         &gtwx5715_uart_device,
  45         &gtwx5715_flash,
  46 +       &gtwx5715_spi_device,
  47  };
  48
  49  static void __init gtwx5715_init(void)
  50 @@ -158,6 +188,7 @@ static void __init gtwx5715_init(void)
  51         gtwx5715_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  52         gtwx5715_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_8M - 1;
  53
  54 +       spi_register_board_info(gtwx5715_spi_devices, ARRAY_SIZE(gtwx5715_spi_devices));
  55         platform_add_devices(gtwx5715_devices, ARRAY_SIZE(gtwx5715_devices));
  56  }
  57