linux-kernel - [PATCH v1 07/10] ARM: tegra: nexus7: Add i2c-thermtrip node

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Date:   Mon, 10 May 2021 23:25:57 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Agneli <poczt@...tonmail.ch>, Paul Fertser <fercerpav@...il.com>,
        Svyatoslav Ryhel <clamor95@...il.com>
Cc:     linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 07/10] ARM: tegra: nexus7: Add i2c-thermtrip node

Add i2c-thermtrip node which enables emergency shutdown by PMC on
SoC die overheat detected by TSENSOR.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../boot/dts/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi | 9 +++++++++
 .../boot/dts/tegra30-asus-nexus7-grouper-ti-pmic.dtsi    | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi
index 17b6682ffce8..53966fa4eef2 100644
--- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi
+++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi
@@ -182,4 +182,13 @@ regulator@4 {
 		enable-active-high;
 		vin-supply = <&vdd_3v3_sys>;
 	};
+
+	pmc@...0e400 {
+		i2c-thermtrip {
+			nvidia,i2c-controller-id = <4>;
+			nvidia,bus-addr = <0x3c>;
+			nvidia,reg-addr = <0x41>;
+			nvidia,reg-data = <0xe0>;
+		};
+	};
 };
diff --git a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-ti-pmic.dtsi b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-ti-pmic.dtsi
index b97da45ebdb4..06b5e8a5ce5d 100644
--- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-ti-pmic.dtsi
+++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-ti-pmic.dtsi
@@ -147,4 +147,13 @@ vdd_3v3_sys: regulator@1 {
 		gpio = <&pmic 7 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	pmc@...0e400 {
+		i2c-thermtrip {
+			nvidia,i2c-controller-id = <4>;
+			nvidia,bus-addr = <0x2d>;
+			nvidia,reg-addr = <0x3f>;
+			nvidia,reg-data = <0x80>;
+		};
+	};
 };
-- 
2.30.2