linux-kernel - [PATCH 6/6] ARM: dts: imx6sll: Enable SNVS poweroff according to board design

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Date:   Thu, 13 Jun 2019 11:35:27 +0800
From:   Anson.Huang@....com
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 6/6] ARM: dts: imx6sll: Enable SNVS poweroff according to board design

From: Anson Huang <Anson.Huang@....com>

The SNVS poweroff depends on board design, by default it should
be disabled in SoC DT and ONLY be enabled on board DT if it is
wired up to external PMIC.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 arch/arm/boot/dts/imx6sll-evk.dts | 4 ++++
 arch/arm/boot/dts/imx6sll.dtsi    | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sll-evk.dts b/arch/arm/boot/dts/imx6sll-evk.dts
index 61aa074..3e1d32f 100644
--- a/arch/arm/boot/dts/imx6sll-evk.dts
+++ b/arch/arm/boot/dts/imx6sll-evk.dts
@@ -269,6 +269,10 @@
 	vin-supply = <&sw2_reg>;
 };
 
+&snvs_poweroff {
+	status = "okay";
+};
+
 &snvs_pwrkey {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/imx6sll.dtsi b/arch/arm/boot/dts/imx6sll.dtsi
index 4384023..b0a77ff 100644
--- a/arch/arm/boot/dts/imx6sll.dtsi
+++ b/arch/arm/boot/dts/imx6sll.dtsi
@@ -568,6 +568,7 @@
 					regmap = <&snvs>;
 					offset = <0x38>;
 					mask = <0x61>;
+					status = "disabled";
 				};
 
 				snvs_pwrkey: snvs-powerkey {
-- 
2.7.4