From mboxrd@z Thu Jan 1 00:00:00 1970 From: thierry.reding@gmail.com (Thierry Reding) Date: Thu, 19 Dec 2013 16:59:25 +0100 Subject: [PATCH 01/10] ARM: tegra: Enable LVDS on Harmony In-Reply-To: <1387468774-14216-1-git-send-email-treding@nvidia.com> References: <1387468774-14216-1-git-send-email-treding@nvidia.com> Message-ID: <1387468774-14216-2-git-send-email-treding@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add backlight and panel nodes for the Harmony TFT LCD panel. Signed-off-by: Thierry Reding --- Changes in v2: - no longer set panel regulator always-on, fixed in driver - update commit message - remove backlight-boot-off property for now arch/arm/boot/dts/tegra20-harmony.dts | 36 +++++++++++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts index 6145f26a0ec5..3fb1f50f6d46 100644 --- a/arch/arm/boot/dts/tegra20-harmony.dts +++ b/arch/arm/boot/dts/tegra20-harmony.dts @@ -17,6 +17,14 @@ }; host1x at 50000000 { + dc at 54200000 { + rgb { + status = "okay"; + + nvidia,panel = <&panel>; + }; + }; + hdmi at 54280000 { status = "okay"; @@ -261,6 +269,10 @@ status = "okay"; }; + pwm: pwm at 7000a000 { + status = "okay"; + }; + i2c at 7000c000 { status = "okay"; clock-frequency = <400000>; @@ -606,6 +618,17 @@ bus-width = <8>; }; + backlight: backlight { + compatible = "pwm-backlight"; + + enable-gpios = <&gpio TEGRA_GPIO(B, 5) GPIO_ACTIVE_HIGH>; + power-supply = <&vdd_bl_reg>; + pwms = <&pwm 0 5000000>; + + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; + clocks { compatible = "simple-bus"; #address-cells = <1>; @@ -630,6 +653,15 @@ }; }; + panel: panel { + compatible = "auo,b101aw03", "simple-panel"; + + power-supply = <&vdd_pnl_reg>; + enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>; + + backlight = <&backlight>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; @@ -673,7 +705,7 @@ enable-active-high; }; - regulator at 4 { + vdd_pnl_reg: regulator at 4 { compatible = "regulator-fixed"; reg = <4>; regulator-name = "vdd_pnl"; @@ -683,7 +715,7 @@ enable-active-high; }; - regulator at 5 { + vdd_bl_reg: regulator at 5 { compatible = "regulator-fixed"; reg = <5>; regulator-name = "vdd_bl"; -- 1.8.4.2