diff options
| -rw-r--r-- | arch/arm/mach-pxa/cm-x300.c | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index 07d7473344b..ecee7e82911 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -26,6 +26,10 @@ #include <linux/i2c.h> #include <linux/i2c/pca953x.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/spi/tdo24m.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/setup.h> @@ -208,17 +212,18 @@ static void __init cm_x300_init_dm9000(void) static inline void cm_x300_init_dm9000(void) {} #endif +/* LCD */ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info cm_x300_lcd_modes[] = { [0] = { - .pixclock = 38000, + .pixclock = 38250, .bpp = 16, .xres = 480, .yres = 640, .hsync_len = 8, .vsync_len = 2, .left_margin = 8, - .upper_margin = 0, + .upper_margin = 2, .right_margin = 24, .lower_margin = 4, .cmap_greyscale = 0, @@ -240,7 +245,7 @@ static struct pxafb_mode_info cm_x300_lcd_modes[] = { static struct pxafb_mach_info cm_x300_lcd = { .modes = cm_x300_lcd_modes, - .num_modes = 2, + .num_modes = ARRAY_SIZE(cm_x300_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, }; @@ -252,6 +257,54 @@ static void __init cm_x300_init_lcd(void) static inline void cm_x300_init_lcd(void) {} #endif +#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE) +#define GPIO_LCD_BASE (144) +#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */ +#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */ +#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */ +#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */ +#define LCD_SPI_BUS_NUM (1) + +static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = { + .sck = GPIO_LCD_SCL, + .mosi = GPIO_LCD_DIN, + .miso = GPIO_LCD_DOUT, + .num_chipselect = 1, +}; + +static struct platform_device cm_x300_spi_gpio = { + .name = "spi_gpio", + .id = LCD_SPI_BUS_NUM, + .dev = { + .platform_data = &cm_x300_spi_gpio_pdata, + }, +}; + +static struct tdo24m_platform_data cm_x300_tdo24m_pdata = { + .model = TDO35S, +}; + +static struct spi_board_info cm_x300_spi_devices[] __initdata = { + { + .modalias = "tdo24m", + .max_speed_hz = 1000000, + .bus_num = LCD_SPI_BUS_NUM, + .chip_select = 0, + .controller_data = (void *) GPIO_LCD_CS, + .platform_data = &cm_x300_tdo24m_pdata, + }, +}; + +static void __init cm_x300_init_spi(void) +{ + spi_register_board_info(cm_x300_spi_devices, + ARRAY_SIZE(cm_x300_spi_devices)); + platform_device_register(&cm_x300_spi_gpio); +} +#else +static inline void cm_x300_init_spi(void) {} +#endif + #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) static struct mtd_partition cm_x300_nand_partitions[] = { [0] = { @@ -476,6 +529,7 @@ static void __init cm_x300_init(void) cm_x300_init_nand(); cm_x300_init_leds(); cm_x300_init_i2c(); + cm_x300_init_spi(); cm_x300_init_rtc(); } |