diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-07-13 13:39:09 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-01-11 21:27:15 +0100 |
| commit | ea16d8f07e828ea00cfac4c07c75f62723ffbb25 (patch) | |
| tree | 840e226d1c33a62886b08502d4b0289f4674870c /arch | |
| parent | 79a4f8aa49492807341adc1e91a82887ec37952a (diff) | |
apalis_t30: enable display driver
Enable the display driver on Apalis T30. Unfortunately the PWM pin
muxing wasn't any good neither which made that display stay dark.
(cherry picked from commit 2da21c1d130fa11a5bd9876c8e72fa0d57585106)
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/tegra30-apalis.dts | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/dts/tegra30-apalis.dts b/arch/arm/dts/tegra30-apalis.dts index 9e4ab8c26f..b3eff00bd8 100644 --- a/arch/arm/dts/tegra30-apalis.dts +++ b/arch/arm/dts/tegra30-apalis.dts @@ -59,6 +59,33 @@ }; }; + host1x@50000000 { + dc@54200000 { + rgb { + status = "okay"; + nvidia,panel = <&lcd_panel>; + display-timings { + timing@0 { + /* VESA VGA */ + clock-frequency = <25175000>; + hactive = <640>; + vactive = <480>; + hback-porch = <48>; + hfront-porch = <16>; + hsync-len = <96>; + vback-porch = <31>; + vfront-porch = <11>; + vsync-len = <2>; + }; + }; + }; + }; + }; + + pwm@7000a000 { + status = "okay"; + }; + /* * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier * board) @@ -288,6 +315,18 @@ nvidia,vbus-gpio = <&gpio TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>; }; + backlight: backlight { + compatible = "pwm-backlight"; + + brightness-levels = <255 128 64 32 16 8 4 0>; + default-brightness-level = <6>; + /* BKL1_ON */ + enable-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>; + power-supply = <&sys_3v3_reg>; + /* PWM_BKL1 */ + pwms = <&pwm 0 5000000>; + }; + clocks { compatible = "simple-bus"; #address-cells = <1>; @@ -308,6 +347,16 @@ }; }; + lcd_panel: panel { + /* + * edt,et057090dhu: EDT 5.7" LCD TFT + * edt,et070080dh6: EDT 7.0" LCD TFT + */ + compatible = "edt,et057090dhu", "simple-panel"; + + backlight = <&backlight>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; |