Use scf0403 driver to add scf0403x LCD support for cm-t35 and cm-t3730 boards.
Cc: Tom Rini trini@ti.com Cc: Anatolij Gustschin agust@denx.de Cc: Igor Grinberg grinberg@compulab.co.il Signed-off-by: Nikita Kiryanov nikita@compulab.co.il --- NOTE: This patch depends on http://patchwork.ozlabs.org/patch/275283/
arch/arm/include/asm/arch-omap3/dss.h | 9 ++++--- board/compulab/cm_t35/cm_t35.c | 12 +++++++++ board/compulab/common/omap3_display.c | 46 +++++++++++++++++++++++++++++++++-- include/configs/cm_t35.h | 3 +++ 4 files changed, 64 insertions(+), 6 deletions(-)
diff --git a/arch/arm/include/asm/arch-omap3/dss.h b/arch/arm/include/asm/arch-omap3/dss.h index ae0babf..8bf6b48 100644 --- a/arch/arm/include/asm/arch-omap3/dss.h +++ b/arch/arm/include/asm/arch-omap3/dss.h @@ -178,10 +178,11 @@ struct venc_regs { #define LCD_INTERFACE_24_BIT 3
/* Polarity */ -#define DSS_IVS (1 << 12) -#define DSS_IHS (1 << 13) -#define DSS_IPC (1 << 14) -#define DSS_IEO (1 << 15) +#define DSS_IVS (1 << 12) +#define DSS_IHS (1 << 13) +#define DSS_IPC (1 << 14) +#define DSS_IEO (1 << 15) +#define DSS_ONOFF (1 << 17)
/* GFX format */ #define GFXFORMAT_BITMAP1 (0x0 << 1) diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c index a6d4aba..51dd4a4 100644 --- a/board/compulab/cm_t35/cm_t35.c +++ b/board/compulab/cm_t35/cm_t35.c @@ -268,6 +268,9 @@ static void cm_t3x_set_common_muxconf(void) /* DVI enable */ MUX_VAL(CP(GPMC_NCS3), (IDIS | PTU | DIS | M4));/*GPMC_nCS3*/
+ /* DataImage backlight */ + MUX_VAL(CP(GPMC_NCS7), (IDIS | PTU | DIS | M4));/*GPIO_58*/ + /* CM-T3x Ethernet */ MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | DIS | M0)); /*GPMC_nCS5*/ MUX_VAL(CP(GPMC_CLK), (IEN | PTD | DIS | M4)); /*GPIO_59*/ @@ -374,6 +377,15 @@ static void cm_t3x_set_common_muxconf(void) MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)); /*MMC1_DAT1*/ MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)); /*MMC1_DAT2*/ MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)); /*MMC1_DAT3*/ + + /* SPI */ + MUX_VAL(CP(MCBSP1_CLKR), (IEN | PTD | DIS | M1)); /*MCSPI4_CLK*/ + MUX_VAL(CP(MCBSP1_DX), (IEN | PTD | DIS | M1)); /*MCSPI4_SIMO*/ + MUX_VAL(CP(MCBSP1_DR), (IEN | PTD | DIS | M1)); /*MCSPI4_SOMI*/ + MUX_VAL(CP(MCBSP1_FSX), (IEN | PTU | EN | M1)); /*MCSPI4_CS0*/ + + /* display controls */ + MUX_VAL(CP(MCBSP1_FSR), (IDIS | PTU | DIS | M4)); /*GPIO_157*/ }
static void cm_t35_set_muxconf(void) diff --git a/board/compulab/common/omap3_display.c b/board/compulab/common/omap3_display.c index ead821e..61707f5 100644 --- a/board/compulab/common/omap3_display.c +++ b/board/compulab/common/omap3_display.c @@ -14,6 +14,7 @@ #include <stdio_dev.h> #include <asm/arch/dss.h> #include <lcd.h> +#include <scf0403_lcd.h> #include <asm/arch-omap3/dss.h>
DECLARE_GLOBAL_DATA_PTR; @@ -22,6 +23,7 @@ enum display_type { NONE, DVI, DVI_CUSTOM, + DATA_IMAGE, /* #define CONFIG_SCF0403_LCD to use */ };
#define CMAP_ADDR 0x80100000 @@ -119,6 +121,18 @@ static const struct panel_config preset_dvi_1280X1024 = { .gfx_format = GFXFORMAT_RGB16, };
+static const struct panel_config preset_dataimage_480X800 = { + .lcd_size = PANEL_LCD_SIZE(480, 800), + .timing_h = DSS_HBP(2) | DSS_HFP(2) | DSS_HSW(2), + .timing_v = DSS_VBP(17) | DSS_VFP(20) | DSS_VSW(3), + .pol_freq = DSS_IVS | DSS_IHS | DSS_IPC | DSS_ONOFF, + .divisor = 10 | (1 << 10), + .data_lines = LCD_INTERFACE_18_BIT, + .panel_type = ACTIVE_DISPLAY, + .load_mode = 2, + .gfx_format = GFXFORMAT_RGB16, +}; + /* * set_resolution_params() * @@ -146,6 +160,13 @@ static enum display_type set_dvi_preset(const struct panel_config preset, return DVI; }
+static enum display_type set_dataimage_preset(const struct panel_config preset, + int x_res, int y_res) +{ + set_preset(preset, x_res, y_res); + return DATA_IMAGE; +} + /* * parse_mode() - parse the mode parameter of custom lcd settings * @@ -369,6 +390,8 @@ static enum display_type env_parse_displaytype(char *displaytype) return set_dvi_preset(preset_dvi_1280X960, 1280, 960); else if (!strncmp(displaytype, "dvi1280x1024", 12)) return set_dvi_preset(preset_dvi_1280X1024, 1280, 1024); + else if (!strncmp(displaytype, "dataimage480x800", 16)) + return set_dataimage_preset(preset_dataimage_480X800, 480, 800);
return NONE; } @@ -401,12 +424,31 @@ void lcd_ctrl_init(void *lcdbase) clrsetbits_le32(&prcm->clksel_dss, 0xF, 3); }
+#ifdef CONFIG_SCF0403_LCD +static void scf0403_enable(void) +{ + gpio_direction_output(58, 1); + scf0403_init(157); +} +#else +static inline void scf0403_enable(void) {} +#endif + void lcd_enable(void) { - if (lcd_def == DVI || lcd_def == DVI_CUSTOM) { + switch (lcd_def) { + case NONE: + return; + case DVI: + case DVI_CUSTOM: gpio_direction_output(54, 0); /* Turn on DVI */ - omap3_dss_enable(); + break; + case DATA_IMAGE: + scf0403_enable(); + break; } + + omap3_dss_enable(); }
void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) {} diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h index 1260367..0a5e81f 100644 --- a/include/configs/cm_t35.h +++ b/include/configs/cm_t35.h @@ -327,5 +327,8 @@ #define CONFIG_SPLASH_SCREEN #define CONFIG_CMD_BMP #define CONFIG_BMP_16BPP +#define CONFIG_SCF0403_LCD + +#define CONFIG_OMAP3_SPI
#endif /* __CONFIG_H */