[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>

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();
 }