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ARM: apx4devkit: add display support 

Add HannStar display and device tree configuration.

Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Lauri Hintsala 2012-07-10 10:08:08 +03:00 committed by Shawn Guo
parent 3317d99e44
commit d8bb823d31
2 changed files with 45 additions and 0 deletions
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21
arch/arm/boot/dts/apx4devkit.dts
View File

@ -35,11 +35,32 @@
reg = <0>; reg = <0>;
fsl,pinmux-ids = < fsl,pinmux-ids = <
0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */ 0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */
0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */
>; >;
fsl,drive-strength = <0>; fsl,drive-strength = <0>;
fsl,voltage = <1>; fsl,voltage = <1>;
fsl,pull-up = <0>; fsl,pull-up = <0>;
}; };
lcdif_pins_apx4: lcdif-apx4@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_24bit_pins_a
&lcdif_pins_apx4>;
status = "okay";
}; };
}; };

24
arch/arm/mach-mxs/mach-mxs.c
View File

@ -78,6 +78,25 @@ static struct fb_videomode m28evk_video_modes[] = {
}, },
}; };
static struct fb_videomode apx4devkit_video_modes[] = {
{
.name = "HannStar PJ70112A",
.refresh = 60,
.xres = 800,
.yres = 480,
.pixclock = 33333, /* picosecond (30.00 MHz) */
.left_margin = 88,
.right_margin = 40,
.upper_margin = 32,
.lower_margin = 13,
.hsync_len = 48,
.vsync_len = 3,
.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; static struct mxsfb_platform_data mxsfb_pdata __initdata;
static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = { static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = {
@ -248,6 +267,11 @@ static void __init apx4devkit_init(void)
if (IS_BUILTIN(CONFIG_PHYLIB)) if (IS_BUILTIN(CONFIG_PHYLIB))
phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK, phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK,
apx4devkit_phy_fixup); apx4devkit_phy_fixup);
mxsfb_pdata.mode_list = apx4devkit_video_modes;
mxsfb_pdata.mode_count = ARRAY_SIZE(apx4devkit_video_modes);
mxsfb_pdata.default_bpp = 32;
mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT;
} }
static void __init mxs_machine_init(void) static void __init mxs_machine_init(void)