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Subject[PATCH 3/3] ARM: dts: mxs: Add the LCD to the 10049 board
Date
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
arch/arm/boot/dts/imx28-cfa10049.dts | 99 ++++++++++++++++++++++++++++++++++
arch/arm/mach-mxs/mach-mxs.c | 22 ++++++++
2 files changed, 121 insertions(+)

diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
index dd91244..cabc33a 100644
--- a/arch/arm/boot/dts/imx28-cfa10049.dts
+++ b/arch/arm/boot/dts/imx28-cfa10049.dts
@@ -30,9 +30,11 @@
reg = <0>;
fsl,pinmux-ids = <
0x0073 /* MX28_PAD_GPMI_D7__GPIO_0_7 */
+ 0x1153 /* MX28_PAD_LCD_D22__GPIO_1_21 */
0x1163 /* MX28_PAD_LCD_D22__GPIO_1_22 */
0x1173 /* MX28_PAD_LCD_D22__GPIO_1_23 */
0x2153 /* MX28_PAD_SSP2_D5__GPIO_2_21 */
+ 0x3173 /* MX28_PAD_LCD_RESET__GPIO_3_23 */
>;
fsl,drive-strength = <0>;
fsl,voltage = <1>;
@@ -43,12 +45,25 @@
reg = <0>;
fsl,pinmux-ids = <
0x2133 /* MX28_PAD_SSP2_D3__GPIO_2_19 */
+ 0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */
>;
fsl,drive-strength = <0>;
fsl,voltage = <1>;
fsl,pull-up = <1>;
};

+ spi2_pins_cfa10049: spi2-cfa10049@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x2103 /* MX28_PAD_SSP2_SCK__GPIO_2_16 */
+ 0x2113 /* MX28_PAD_SSP2_CMD__GPIO_2_17 */
+ 0x2123 /* MX28_PAD_SSP2_D0__GPIO_2_18 */
+ >;
+ fsl,drive-strength = <1>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <1>;
+ };
+
spi3_pins_cfa10049: spi3-cfa10049@0 {
reg = <0>;
fsl,pinmux-ids = <
@@ -62,10 +77,63 @@
fsl,voltage = <1>;
fsl,pull-up = <1>;
};
+
+ lcdif_18bit_pins_cfa10049: lcdif-18bit@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x1000 /* MX28_PAD_LCD_D00__LCD_D0 */
+ 0x1010 /* MX28_PAD_LCD_D01__LCD_D1 */
+ 0x1020 /* MX28_PAD_LCD_D02__LCD_D2 */
+ 0x1030 /* MX28_PAD_LCD_D03__LCD_D3 */
+ 0x1040 /* MX28_PAD_LCD_D04__LCD_D4 */
+ 0x1050 /* MX28_PAD_LCD_D05__LCD_D5 */
+ 0x1060 /* MX28_PAD_LCD_D06__LCD_D6 */
+ 0x1070 /* MX28_PAD_LCD_D07__LCD_D7 */
+ 0x1080 /* MX28_PAD_LCD_D08__LCD_D8 */
+ 0x1090 /* MX28_PAD_LCD_D09__LCD_D9 */
+ 0x10a0 /* MX28_PAD_LCD_D10__LCD_D10 */
+ 0x10b0 /* MX28_PAD_LCD_D11__LCD_D11 */
+ 0x10c0 /* MX28_PAD_LCD_D12__LCD_D12 */
+ 0x10d0 /* MX28_PAD_LCD_D13__LCD_D13 */
+ 0x10e0 /* MX28_PAD_LCD_D14__LCD_D14 */
+ 0x10f0 /* MX28_PAD_LCD_D15__LCD_D15 */
+ 0x1100 /* MX28_PAD_LCD_D16__LCD_D16 */
+ 0x1110 /* MX28_PAD_LCD_D17__LCD_D17 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
+ lcdif_pins_cfa10049: lcdif-evk@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_18bit_pins_cfa10049
+ &lcdif_pins_cfa10049>;
+ status = "okay";
};
};

apbx@80040000 {
+ pwm: pwm@80064000 {
+ pinctrl-names = "default", "default";
+ pinctrl-1 = <&pwm3_pins_b>;
+ status = "okay";
+ };
+
i2c1: i2c@8005a000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins_a>;
@@ -147,6 +215,30 @@
};
};

+ spi2 {
+ compatible = "spi-gpio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_pins_cfa10049>;
+ status = "okay";
+ gpio-sck = <&gpio2 16 0>;
+ gpio-mosi = <&gpio2 17 0>;
+ gpio-miso = <&gpio2 18 0>;
+ cs-gpios = <&gpio3 23 0>;
+ num-chipselects = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hx8357: hx8357@0 {
+ compatible = "himax,hx8357b", "himax,hx8357";
+ reg = <0>;
+ spi-max-frequency = <100000>;
+ spi-cpol;
+ spi-cpha;
+ gpios-reset = <&gpio3 30 0>;
+ im-gpios = <&gpio5 4 0 &gpio5 5 0 &gpio5 6 0>;
+ };
+ };
+
spi3 {
compatible = "spi-gpio";
pinctrl-names = "default";
@@ -183,4 +275,11 @@
spi-max-frequency = <100000>;
};
};
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 3 5000000>;
+ 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 c66129b..4668cf7 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -119,6 +119,23 @@ static struct fb_videomode apf28dev_video_modes[] = {
},
};

+static struct fb_videomode cfa10049_video_modes[] = {
+ {
+ .name = "Himax HX8357-B",
+ .refresh = 60,
+ .xres = 320,
+ .yres = 480,
+ .pixclock = 108506, /* picosecond (9.216 MHz) */
+ .left_margin = 2,
+ .right_margin = 2,
+ .upper_margin = 2,
+ .lower_margin = 2,
+ .hsync_len = 15,
+ .vsync_len = 15,
+ .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT
+ },
+};
+
static struct mxsfb_platform_data mxsfb_pdata __initdata;

/*
@@ -393,6 +410,11 @@ static void __init cfa10049_init(void)
{
enable_clk_enet_out();
update_fec_mac_prop(OUI_CRYSTALFONTZ);
+
+ mxsfb_pdata.mode_list = cfa10049_video_modes;
+ mxsfb_pdata.mode_count = ARRAY_SIZE(cfa10049_video_modes);
+ mxsfb_pdata.default_bpp = 32;
+ mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT;
}

static void __init apf28_init(void)
--
1.7.10.4


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