diff options
Diffstat (limited to 'kernel/arch/arm/mach-ep93xx/vision_ep9307.c')
| -rw-r--r-- | kernel/arch/arm/mach-ep93xx/vision_ep9307.c | 63 |
1 files changed, 58 insertions, 5 deletions
diff --git a/kernel/arch/arm/mach-ep93xx/vision_ep9307.c b/kernel/arch/arm/mach-ep93xx/vision_ep9307.c index 6bc1c1815..5cced5988 100644 --- a/kernel/arch/arm/mach-ep93xx/vision_ep9307.c +++ b/kernel/arch/arm/mach-ep93xx/vision_ep9307.c @@ -29,6 +29,8 @@ #include <linux/spi/mmc_spi.h> #include <linux/mmc/host.h> +#include <sound/cs4271.h> + #include <mach/hardware.h> #include <linux/platform_data/video-ep93xx.h> #include <linux/platform_data/spi-ep93xx.h> @@ -104,8 +106,6 @@ static void vision_lcd_blank(int blank_mode, struct fb_info *info) } static struct ep93xxfb_mach_info ep93xxfb_info __initdata = { - .num_modes = EP93XXFB_USE_MODEDB, - .bpp = 16, .flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING, .setup = vision_lcd_setup, .teardown = vision_lcd_teardown, @@ -169,6 +169,35 @@ static struct i2c_board_info vision_i2c_info[] __initdata = { }; /************************************************************************* + * SPI CS4271 Audio Codec + *************************************************************************/ +static struct cs4271_platform_data vision_cs4271_data = { + .gpio_nreset = EP93XX_GPIO_LINE_H(2), +}; + +static int vision_cs4271_hw_setup(struct spi_device *spi) +{ + return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6, + GPIOF_OUT_INIT_HIGH, spi->modalias); +} + +static void vision_cs4271_hw_cleanup(struct spi_device *spi) +{ + gpio_free(EP93XX_GPIO_LINE_EGPIO6); +} + +static void vision_cs4271_hw_cs_control(struct spi_device *spi, int value) +{ + gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value); +} + +static struct ep93xx_spi_chip_ops vision_cs4271_hw = { + .setup = vision_cs4271_hw_setup, + .cleanup = vision_cs4271_hw_cleanup, + .cs_control = vision_cs4271_hw_cs_control, +}; + +/************************************************************************* * SPI Flash *************************************************************************/ #define VISION_SPI_FLASH_CS EP93XX_GPIO_LINE_EGPIO7 @@ -262,12 +291,20 @@ static struct ep93xx_spi_chip_ops vision_spi_mmc_hw = { *************************************************************************/ static struct spi_board_info vision_spi_board_info[] __initdata = { { + .modalias = "cs4271", + .platform_data = &vision_cs4271_data, + .controller_data = &vision_cs4271_hw, + .max_speed_hz = 6000000, + .bus_num = 0, + .chip_select = 0, + .mode = SPI_MODE_3, + }, { .modalias = "sst25l", .platform_data = &vision_spi_flash_data, .controller_data = &vision_spi_flash_hw, .max_speed_hz = 20000000, .bus_num = 0, - .chip_select = 0, + .chip_select = 1, .mode = SPI_MODE_3, }, { .modalias = "mmc_spi", @@ -275,16 +312,31 @@ static struct spi_board_info vision_spi_board_info[] __initdata = { .controller_data = &vision_spi_mmc_hw, .max_speed_hz = 20000000, .bus_num = 0, - .chip_select = 1, + .chip_select = 2, .mode = SPI_MODE_3, }, }; static struct ep93xx_spi_info vision_spi_master __initdata = { - .num_chipselect = ARRAY_SIZE(vision_spi_board_info), + .num_chipselect = ARRAY_SIZE(vision_spi_board_info), + .use_dma = 1, }; /************************************************************************* + * I2S Audio + *************************************************************************/ +static struct platform_device vision_audio_device = { + .name = "edb93xx-audio", + .id = -1, +}; + +static void __init vision_register_i2s(void) +{ + ep93xx_register_i2s(); + platform_device_register(&vision_audio_device); +} + +/************************************************************************* * Machine Initialization *************************************************************************/ static void __init vision_init_machine(void) @@ -309,6 +361,7 @@ static void __init vision_init_machine(void) ARRAY_SIZE(vision_i2c_info)); ep93xx_register_spi(&vision_spi_master, vision_spi_board_info, ARRAY_SIZE(vision_spi_board_info)); + vision_register_i2s(); } MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307") |