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authorIgor Grinberg <grinberg@compulab.co.il>2009-10-14 09:20:19 +0200
committerEric Miao <eric.y.miao@gmail.com>2009-12-01 09:03:06 +0800
commit83e560eee12b3215c193338496090838e5f6d1cb (patch)
treebb93dbb63d9b0e6bbc73a0131b5dc5fc1bbe897e /arch
parent55052ea23d09ebe71ebeadc054e828b37d4e0356 (diff)
[ARM] pxa/cm-x300: add TDO35S lcd support
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-pxa/cm-x300.c60
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 07d7473344b7..ecee7e829110 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();
}