linux-kernel - [PATCH v2 15/24] ARM: dts: imx7-colibri: disable adc2

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

Date:   Mon, 16 May 2022 15:47:25 +0200
From:   Marcel Ziswiler <marcel@...wiler.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Frank Rowand <frowand.list@...il.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 15/24] ARM: dts: imx7-colibri: disable adc2

From: Marcel Ziswiler <marcel.ziswiler@...adex.com>

ADC2 is not available as it conflicts with the AD7879 resistive
touchscreen.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
---

(no changes since v1)

 arch/arm/boot/dts/imx7-colibri-aster.dtsi   | 8 --------
 arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 4 ----
 arch/arm/boot/dts/imx7-colibri.dtsi         | 3 ++-
 3 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/arch/arm/boot/dts/imx7-colibri-aster.dtsi b/arch/arm/boot/dts/imx7-colibri-aster.dtsi
index 9796bfabe241..a89c868ff3ed 100644
--- a/arch/arm/boot/dts/imx7-colibri-aster.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-aster.dtsi
@@ -7,14 +7,6 @@ &adc1 {
 	status = "okay";
 };
 
-/*
- * ADC2 is not available on the Aster board and
- * conflicts with AD7879 resistive touchscreen.
- */
-&adc2 {
-	status = "disabled";
-};
-
 &fec1 {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
index 069f56272546..6ae38c1f38d4 100644
--- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
@@ -16,10 +16,6 @@ &adc1 {
 	status = "okay";
 };
 
-&adc2 {
-	status = "okay";
-};
-
 /*
  * The Atmel maxtouch controller uses SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, pwm3.
  * So if you enable following capacitive touch controller, disable pwm2/pwm3 first.
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index da3df00c7d67..0fc4b33d97be 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -137,8 +137,9 @@ &adc1 {
 	vref-supply = <&reg_DCDC3>;
 };
 
+/* ADC2 is not available as it conflicts with AD7879 resistive touchscreen. */
 &adc2 {
-	vref-supply = <&reg_DCDC3>;
+	status = "disabled";
 };
 
 &cpu0 {
-- 
2.35.1