94 lines
2.2 KiB
Diff
94 lines
2.2 KiB
Diff
From 8ab1155a0723c02a717267e34ae823f118f40e53 Mon Sep 17 00:00:00 2001
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From: Christian Hewitt <christianshewitt@gmail.com>
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Date: Fri, 21 Feb 2020 05:28:24 +0000
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Subject: [PATCH 081/101] FROMLIST: arm64: dts: meson: gxl-s905x-khadas-vim:
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add thermal zones
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Add thermal zones to the VIM1 board so that a cooling fan can be driven
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using the i2c interface. Zone config is copied from the VIM2.
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Suggested-by: Nick Xie <nick@khadas.com>
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Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
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---
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.../amlogic/meson-gxl-s905x-khadas-vim.dts | 50 +++++++++++++++++++
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1 file changed, 50 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
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index 440bc23c7342..2c198c4212b2 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
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+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
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@@ -6,6 +6,7 @@
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/dts-v1/;
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#include <dt-bindings/input/input.h>
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+#include <dt-bindings/thermal/thermal.h>
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#include "meson-gxl-s905x-p212.dtsi"
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@@ -63,6 +64,39 @@
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};
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};
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};
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+
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+ thermal-zones {
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+ cpu-thermal {
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+ polling-delay-passive = <250>; /* milliseconds */
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+ polling-delay = <1000>; /* milliseconds */
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+
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+ thermal-sensors = <&scpi_sensors 0>;
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+
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+ trips {
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+ cpu_alert0: cpu-alert0 {
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+ temperature = <70000>; /* millicelsius */
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+ hysteresis = <2000>; /* millicelsius */
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+ type = "active";
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+ };
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+
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+ cpu_alert1: cpu-alert1 {
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+ temperature = <80000>; /* millicelsius */
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+ hysteresis = <2000>; /* millicelsius */
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+ type = "passive";
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+ };
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+ };
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+
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+ cooling-maps {
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+ map0 {
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+ trip = <&cpu_alert1>;
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+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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+ };
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+ };
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+ };
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+ };
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};
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&cec_AO {
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@@ -72,6 +106,22 @@
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hdmi-phandle = <&hdmi_tx>;
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};
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+&cpu0 {
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+ #cooling-cells = <2>;
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+};
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+
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+&cpu1 {
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+ #cooling-cells = <2>;
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+};
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+
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+&cpu2 {
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+ #cooling-cells = <2>;
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+};
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+
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+&cpu3 {
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+ #cooling-cells = <2>;
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+};
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+
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&hdmi_tx {
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status = "okay";
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pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
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--
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2.17.1
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