diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-03-27 16:36:23 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-03-28 18:40:19 +0200 |
| commit | e81dd8a3500fea94ce8786554cbc29bc6b2a9207 (patch) | |
| tree | d02226e829a0065c863a495067e3a7f07c540c38 /arch | |
| parent | aaa7a0c4587331ec1d92bf12c54b2928dc3cd602 (diff) | |
apalis-tk1: handle backlight in the device treeApalis-TK1_LXDE-Image_2.8b2.97-20180331toradex_tk1_l4t_r21.6
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Diffstat (limited to 'arch')
5 files changed, 24 insertions, 42 deletions
diff --git a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-displays.dtsi b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-displays.dtsi index cc48334cdc68..a951d3e21927 100644 --- a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-displays.dtsi +++ b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-displays.dtsi @@ -69,7 +69,7 @@ status = "okay"; nvidia,out-type = <TEGRA_DC_OUT_DP>; nvidia,out-flags = <TEGRA_DC_OUT_CONTINUOUS_MODE>; - nvidia,out-parent-clk = "pll_d"; + nvidia,out-parent-clk = "pll_d_out0"; nvidia,out-max-pixclk = <3367>; /* KHZ2PICOS(297000) */ nvidia,out-align = <TEGRA_DC_ALIGN_MSB>; nvidia,out-order = <TEGRA_DC_ORDER_RED_BLUE>; @@ -208,4 +208,15 @@ hdmi_ddc: i2c@7000c400 { clock-frequency = <10000>; }; + + bl: backlight { + compatible = "pwm-backlight"; + pwms = <&tegra_pwm 3 5000000>; /* PWM freq. 200Hz */ + + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + + enable-gpios = <&gpio TEGRA_GPIO(BB, 5) 0>; + power-supply = <®_3v3_mxm>; + }; }; diff --git a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-fixed.dtsi b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-fixed.dtsi index e00f482907b7..b4c08bb002bb 100644 --- a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-fixed.dtsi +++ b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-fixed.dtsi @@ -206,24 +206,5 @@ }; }; - vdd_lcd_bl_en: regulator@6 { - compatible = "regulator-fixed-sync"; - reg = <6>; - regulator-name = "BKL1_ON"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - /* Apalis BKL1_ON */ - gpio = <&gpio TEGRA_GPIO(BB, 5) 0>; - enable-active-high; - - consumers { - c1 { - regulator-consumer-supply = "vdd_lcd_bl"; - }; - c2 { - regulator-consumer-supply = "vdd_lcd_bl_en"; - }; - }; - }; }; }; diff --git a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-displays.dtsi b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-displays.dtsi index a7774abcda1d..7a86968c51f3 100644 --- a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-displays.dtsi +++ b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-displays.dtsi @@ -69,7 +69,7 @@ status = "okay"; nvidia,out-type = <TEGRA_DC_OUT_DP>; nvidia,out-flags = <TEGRA_DC_OUT_CONTINUOUS_MODE>; - nvidia,out-parent-clk = "pll_d"; + nvidia,out-parent-clk = "pll_d_out0"; nvidia,out-max-pixclk = <3367>; /* KHZ2PICOS(297000) */ nvidia,out-align = <TEGRA_DC_ALIGN_MSB>; nvidia,out-order = <TEGRA_DC_ORDER_RED_BLUE>; @@ -208,5 +208,15 @@ hdmi_ddc: i2c@7000c700 { clock-frequency = <10000>; }; - + + bl: backlight { + compatible = "pwm-backlight"; + pwms = <&tegra_pwm 3 5000000>; /* PWM freq. 200Hz */ + + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + + enable-gpios = <&gpio TEGRA_GPIO(BB, 5) 0>; + power-supply = <®_3v3_mxm>; + }; }; diff --git a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-fixed.dtsi b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-fixed.dtsi index 5639ba3c7f99..98607a7ecdc1 100644 --- a/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-fixed.dtsi +++ b/arch/arm/boot/dts/tegra124-platforms/tegra124-apalis-v1.2-fixed.dtsi @@ -206,24 +206,5 @@ }; }; - vdd_lcd_bl_en: regulator@6 { - compatible = "regulator-fixed-sync"; - reg = <6>; - regulator-name = "BKL1_ON"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - /* Apalis BKL1_ON */ - gpio = <&gpio TEGRA_GPIO(BB, 5) 0>; - enable-active-high; - - consumers { - c1 { - regulator-consumer-supply = "vdd_lcd_bl"; - }; - c2 { - regulator-consumer-supply = "vdd_lcd_bl_en"; - }; - }; - }; }; }; diff --git a/arch/arm/configs/apalis-tk1_defconfig b/arch/arm/configs/apalis-tk1_defconfig index 95b55128f72a..e820c0ded65f 100644 --- a/arch/arm/configs/apalis-tk1_defconfig +++ b/arch/arm/configs/apalis-tk1_defconfig @@ -294,7 +294,6 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set # CONFIG_BACKLIGHT_GENERIC is not set CONFIG_BACKLIGHT_PWM=y -CONFIG_BACKLIGHT_TEGRA_PWM=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y CONFIG_SOUND=y |