From 35cbf655eb16189b249c53c96378399cccfc3618 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Mon, 24 Jun 2019 15:57:07 +0200 Subject: [PATCH] arm64: tegra: Enable DP support on Jetson Nano Add the AVDD_IO_EDP_1V05 and enable the SOR and DPAUX hardware blocks that are used to drive DisplayPort on Jetson Nano. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index 9d17ec707bce..eab2b12f0676 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -64,6 +64,16 @@ status = "okay"; }; + sor@54540000 { + status = "okay"; + + avdd-io-hdmi-dp-supply = <&avdd_io_edp_1v05>; + vdd-hdmi-dp-pll-supply = <&vdd_1v8>; + + nvidia,xbar-cfg = <2 1 0 3 4>; + nvidia,dpaux = <&dpaux>; + }; + sor@54580000 { status = "okay"; @@ -76,6 +86,10 @@ GPIO_ACTIVE_LOW>; nvidia,xbar-cfg = <0 1 2 3 4>; }; + + dpaux@545c0000 { + status = "okay"; + }; }; gpu@57000000 { @@ -680,5 +694,19 @@ enable-gpios = <&pmic 6 GPIO_ACTIVE_HIGH>; vin-supply = <&vdd_5v0_sys>; }; + + avdd_io_edp_1v05: regulator@7 { + compatible = "regulator-fixed"; + reg = <7>; + + regulator-name = "AVDD_IO_EDP_1V05"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + + gpio = <&pmic 7 GPIO_ACTIVE_HIGH>; + enable-active-high; + + vin-supply = <&avdd_1v05_pll>; + }; }; }; -- 2.11.0