Enable internal panel: - add EDID file - add power sequence to control backlight and panel (panel is currently controlled by the backlight sequence, this will need to be fixed once the panel framework has power sequences support)
Also enable HDMI output. Signed-off-by: Alexandre Courbot <[email protected]> --- arch/arm/boot/dts/tegra20-ventana.dts | 114 +++++++++++++++++++++++++++++++-- arch/arm/boot/dts/tegra20-ventana.edid | Bin 0 -> 128 bytes 2 files changed, 109 insertions(+), 5 deletions(-) create mode 100644 arch/arm/boot/dts/tegra20-ventana.edid diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts index adc4754..849a374 100644 --- a/arch/arm/boot/dts/tegra20-ventana.dts +++ b/arch/arm/boot/dts/tegra20-ventana.dts @@ -318,11 +318,30 @@ }; }; - i2c@7000c400 { + hdmiddc: i2c@7000c400 { status = "okay"; clock-frequency = <400000>; }; + host1x { + dc@54200000 { + rgb { + status = "okay"; + nvidia,edid = /incbin/("tegra20-ventana.edid"); + }; + }; + + hdmi { + status = "okay"; + + vdd-supply = <&avddhdmi>; + pll-supply = <&avddhdmipll>; + + nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */ + nvidia,ddc-i2c-bus = <&hdmiddc>; + }; + }; + i2cmux { compatible = "i2c-mux-pinctrl"; #address-cells = <1>; @@ -446,13 +465,13 @@ regulator-max-microvolt = <1800000>; }; - ldo7 { + avddhdmi: ldo7 { regulator-name = "vdd_ldo7,avdd_hdmi,vdd_fuse"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; - ldo8 { + avddhdmipll: ldo8 { regulator-name = "vdd_ldo8,avdd_hdmi_pll"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -516,6 +535,91 @@ bus-width = <8>; }; + backlight { + compatible = "pwm-backlight"; + brightness-levels = <0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 255>; + default-brightness-level = <12>; + + /* resources used by the power sequences */ + pwms = <&pwm 2 5000000>; + pwm-names = "backlight"; + power-supply = <&vdd_bl_reg>; + panel-supply = <&vdd_panel_reg>; + + power-sequences { + power-on { + /* + * Panel power and LDVS enable. + * TODO: move into the panel device as soon as + * panel framework supports power sequences. + */ + step0 { + type = "regulator"; + id = "panel"; + enable; + }; + step1 { + type = "gpio"; + gpio = <&gpio 10 0>; + value = <1>; + }; + /* Backlight sequence. This belongs here. */ + step2 { + type = "regulator"; + id = "power"; + enable; + }; + step3 { + type = "delay"; + delay = <10000>; + }; + step4 { + type = "pwm"; + id = "backlight"; + enable; + }; + step5 { + type = "gpio"; + gpio = <&gpio 28 0>; + value = <1>; + }; + }; + + power-off { + step0 { + type = "gpio"; + gpio = <&gpio 28 0>; + value = <0>; + }; + step1 { + type = "pwm"; + id = "backlight"; + disable; + }; + step2 { + type = "delay"; + delay = <10000>; + }; + step3 { + type = "regulator"; + id = "power"; + disable; + }; + /* This also belongs to the panel sequence */ + step4 { + type = "gpio"; + gpio = <&gpio 10 0>; + value = <0>; + }; + step5 { + type = "regulator"; + id = "panel"; + disable; + }; + }; + }; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; @@ -549,7 +653,7 @@ enable-active-high; }; - regulator@3 { + vdd_panel_reg: regulator@3 { compatible = "regulator-fixed"; reg = <3>; regulator-name = "vdd_pnl"; @@ -559,7 +663,7 @@ enable-active-high; }; - regulator@4 { + vdd_bl_reg: regulator@4 { compatible = "regulator-fixed"; reg = <4>; regulator-name = "vdd_bl"; diff --git a/arch/arm/boot/dts/tegra20-ventana.edid b/arch/arm/boot/dts/tegra20-ventana.edid new file mode 100644 index 0000000000000000000000000000000000000000..a96ab0e895515cc1f7b9e7b4f3cda359f4b6a285 GIT binary patch literal 128 zcmZSh4+ac;BCRqEKp-o^$lM^tQ^D0#J2TvWrkYGZ2vC#}4OGa69SUGjGq6^VWVlxg tR3Hh&{0s_Eu;4$F5m12PAA@s12p3FL0V3k#=xAtQ8186b=%~Q39sq-e8vy_S literal 0 HcmV?d00001 -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
