From 509cc04d2b84005bdfdaf14ef250f37962d9d57f Mon Sep 17 00:00:00 2001 From: Peter Robinson Date: Sun, 24 Mar 2019 17:16:09 +0000 Subject: Fixes for Tegra Jetson TX series, Initial support for NVIDIA Jetson Nano --- arm64-tegra-jetson-tx1-fixes.patch | 68 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 arm64-tegra-jetson-tx1-fixes.patch (limited to 'arm64-tegra-jetson-tx1-fixes.patch') diff --git a/arm64-tegra-jetson-tx1-fixes.patch b/arm64-tegra-jetson-tx1-fixes.patch new file mode 100644 index 000000000..4ac5ea22a --- /dev/null +++ b/arm64-tegra-jetson-tx1-fixes.patch @@ -0,0 +1,68 @@ +From 005e0b987019fff6013dff99f44d9f6ce68f08ad Mon Sep 17 00:00:00 2001 +From: Peter Robinson +Date: Sat, 23 Mar 2019 17:42:18 +0000 +Subject: [PATCH 1/3] arm64: tegra210: Jetson TX1: disable WP to make SD card + work + +There's some issue with Write Protect detection on the Jetson TX1 +so just apply a quirk to disable the check for the time being. + +Signed-off-by: Peter Robinson +--- + arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +index a96e6ee70c21..072788646cbf 100644 +--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi ++++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +@@ -1456,6 +1456,7 @@ + sdhci@700b0000 { + status = "okay"; + bus-width = <4>; ++ disable-wp; + + cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>; + +-- +2.20.1 + +From aea4a7a551fd7342299d34f04a8b75f58644ac07 Mon Sep 17 00:00:00 2001 +From: Peter Robinson +Date: Sat, 23 Mar 2019 17:45:10 +0000 +Subject: [PATCH 2/3] arm64: tegra210: Jetson TX1: disable display panel and + associated backlight + +The Jetson TX1 dev kit doesn't ship with a screen by default and if +it's not there it appears to crash on boot so disable them both by +default until we work out the problem. + +Signed-off-by: Peter Robinson +--- + arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts +index 37e3c46e753f..a16f24f1d5ff 100644 +--- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts ++++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts +@@ -36,7 +36,7 @@ + + host1x@50000000 { + dsi@54300000 { +- status = "okay"; ++ status = "disabled"; + + avdd-dsi-csi-supply = <&vdd_dsi_csi>; + +@@ -54,6 +54,8 @@ + + i2c@7000c400 { + backlight: backlight@2c { ++ status = "disabled"; ++ + compatible = "ti,lp8557"; + reg = <0x2c>; + +-- +2.20.1 -- cgit