linux-kernel - [PATCH 10/13] arm: dts: s5pv210: aries: Enable ADC node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <BN6PR04MB0660998092302F2A78065E79A3AE0@BN6PR04MB0660.namprd04.prod.outlook.com>
Date:   Sun, 26 Apr 2020 11:36:01 -0700
From:   Jonathan Bakker <xc-racer2@...e.ca>
To:     kgene@...nel.org, krzk@...nel.org, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jonathan Bakker <xc-racer2@...e.ca>
Subject: [PATCH 10/13] arm: dts: s5pv210: aries: Enable ADC node

On aries boards, the ADC is used for things such as jack detection
and battery temperature monitoring.  It is connected to ldo4 of max8998,
so only enable that regulator when we are actually using the ADC.

Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
---
 arch/arm/boot/dts/s5pv210-aries.dtsi | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
index f30bdcb9c083..a103ddb0d720 100644
--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
+++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
@@ -193,11 +193,6 @@
 					regulator-name = "VADC_3.3V";
 					regulator-min-microvolt = <3300000>;
 					regulator-max-microvolt = <3300000>;
-					regulator-always-on;
-
-					regulator-state-mem {
-						regulator-off-in-suspend;
-					};
 				};
 
 				ldo5_reg: LDO5 {
@@ -530,6 +525,12 @@
 	};
 };
 
+&adc {
+	vdd-supply = <&ldo4_reg>;
+
+	status = "okay";
+};
+
 &fimd {
 	pinctrl-names = "default";
 	pinctrl-0 = <&lcd_clk &lcd_data24>;
-- 
2.20.1