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| author | Gwenhael Goavec-Merou | 2012-11-02 19:01:48 +0100 |
|---|---|---|
| committer | Shawn Guo | 2012-11-05 03:36:32 +0100 |
| commit | a4dabca8b474aa5cf7ec1bec5bc1904a5e18f642 (patch) | |
| tree | 35651d6e5cc01cff9bb315dab0b01b98d43ff87a /arch | |
| parent | ARM: mxs: apf28dev: Add pinctrl and gpios (diff) | |
| download | kernel-qcow2-linux-a4dabca8b474aa5cf7ec1bec5bc1904a5e18f642.tar.gz kernel-qcow2-linux-a4dabca8b474aa5cf7ec1bec5bc1904a5e18f642.tar.xz kernel-qcow2-linux-a4dabca8b474aa5cf7ec1bec5bc1904a5e18f642.zip | |
ARM: mxs: apf28dev: Add LCD and backlight support
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/imx28-apf28dev.dts | 28 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-mxs.c | 24 |
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx28-apf28dev.dts b/arch/arm/boot/dts/imx28-apf28dev.dts index 8e765aef0a03..1643d2593bc3 100644 --- a/arch/arm/boot/dts/imx28-apf28dev.dts +++ b/arch/arm/boot/dts/imx28-apf28dev.dts @@ -46,6 +46,26 @@ fsl,voltage = <1>; fsl,pull-up = <0>; }; + + lcdif_pins_apf28dev: lcdif-apf28dev@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1181 /* MX28_PAD_LCD_RD_E__LCD_VSYNC */ + 0x1191 /* MX28_PAD_LCD_WR_RWN__LCD_HSYNC */ + 0x11a1 /* MX28_PAD_LCD_RS__LCD_DOTCLK */ + 0x11b1 /* MX28_PAD_LCD_CS__LCD_ENABLE */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + + lcdif@80030000 { + pinctrl-names = "default"; + pinctrl-0 = <&lcdif_16bit_pins_a + &lcdif_pins_apf28dev>; + status = "okay"; }; }; @@ -110,4 +130,12 @@ linux,default-trigger = "heartbeat"; }; }; + + backlight { + compatible = "pwm-backlight"; + + pwms = <&pwm 3 191000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; }; diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 48c2eba37b8b..67ef35506093 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -100,6 +100,25 @@ static struct fb_videomode apx4devkit_video_modes[] = { }, }; +static struct fb_videomode apf28dev_video_modes[] = { + { + .name = "LW700", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 30303, /* picosecond */ + .left_margin = 96, + .right_margin = 96, /* at least 3 & 1 */ + .upper_margin = 0x14, + .lower_margin = 0x15, + .hsync_len = 64, + .vsync_len = 4, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | + FB_SYNC_DATA_ENABLE_HIGH_ACT | + FB_SYNC_DOTCLK_FAILING_ACT, + }, +}; + static struct mxsfb_platform_data mxsfb_pdata __initdata; /* @@ -374,6 +393,11 @@ static void __init cfa10049_init(void) static void __init apf28_init(void) { enable_clk_enet_out(); + + mxsfb_pdata.mode_list = apf28dev_video_modes; + mxsfb_pdata.mode_count = ARRAY_SIZE(apf28dev_video_modes); + mxsfb_pdata.default_bpp = 16; + mxsfb_pdata.ld_intf_width = STMLCDIF_16BIT; } static void __init mxs_machine_init(void) |