linux-kernel - [PATCH v3 12/13] arm64: dts: ti: k3-am65: Enable TSCADC nodes at the board level

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Message-ID: <20230810003814.85450-13-afd@ti.com>
Date:   Wed, 9 Aug 2023 19:38:13 -0500
From:   Andrew Davis <afd@...com>
To:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Dhruva Gole <d-gole@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Andrew Davis <afd@...com>
Subject: [PATCH v3 12/13] arm64: dts: ti: k3-am65: Enable TSCADC nodes at the board level

TSCADC nodes defined in the top-level AM65 SoC dtsi files are incomplete
and may not be functional unless they are extended with pinmux and/or
device information.

Disable the TSCADC nodes in the top-level dtsi files and only enable the
ones that are actually pinned out on a given board.

Signed-off-by: Andrew Davis <afd@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 5 +----
 arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi            | 2 ++
 arch/arm64/boot/dts/ti/k3-am654-base-board.dts     | 2 ++
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index 6041862d5aa75..ba1c14a54acf4 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -582,11 +582,8 @@ &mcu_spi0 {
 	ti,pindir-d0-out-d1-in;
 };
 
-&tscadc0 {
-	status = "disabled";
-};
-
 &tscadc1 {
+	status = "okay";
 	adc {
 		ti,adc-channels = <0 1 2 3 4 5>;
 	};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 2c9c20a9d9179..4defde540fe0b 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -112,6 +112,7 @@ tscadc0: tscadc@...00000 {
 		dmas = <&mcu_udmap 0x7100>,
 			<&mcu_udmap 0x7101 >;
 		dma-names = "fifo0", "fifo1";
+		status = "disabled";
 
 		adc {
 			#io-channel-cells = <1>;
@@ -130,6 +131,7 @@ tscadc1: tscadc@...10000 {
 		dmas = <&mcu_udmap 0x7102>,
 			<&mcu_udmap 0x7103>;
 		dma-names = "fifo0", "fifo1";
+		status = "disabled";
 
 		adc {
 			#io-channel-cells = <1>;
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index aac243bacfeea..f5c26e9fba987 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -478,12 +478,14 @@ &usb0_phy {
 };
 
 &tscadc0 {
+	status = "okay";
 	adc {
 		ti,adc-channels = <0 1 2 3 4 5 6 7>;
 	};
 };
 
 &tscadc1 {
+	status = "okay";
 	adc {
 		ti,adc-channels = <0 1 2 3 4 5 6 7>;
 	};
-- 
2.39.2