linux-kernel - [PATCH v2 09/13] arm64: dts: ti: k3-j721s2: Enable GPIO nodes at the board level

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Date:   Tue, 8 Aug 2023 08:34:53 -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 v2 09/13] arm64: dts: ti: k3-j721s2: Enable GPIO nodes at the board level

GPIO nodes defined in the top-level J721s2 SoC dtsi files are incomplete
and may not be functional unless they are extended with pinmux and
device information.

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

Signed-off-by: Andrew Davis <afd@...com>
Reviewed-by: Dhruva Gole <d-gole@...com>
---
 .../boot/dts/ti/k3-am68-sk-base-board.dts      | 18 ++----------------
 .../dts/ti/k3-j721s2-common-proc-board.dts     | 16 ++++------------
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi     |  4 ++++
 .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi      |  2 ++
 4 files changed, 12 insertions(+), 28 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
index 5fd06cd26b479..5df5946687b34 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
@@ -382,31 +382,17 @@ J721S2_WKUP_IOPAD(0x000, PIN_INPUT, 7) /* (K26) WKUP_GPIO0_49 */
 };
 
 &main_gpio0 {
+	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&rpi_header_gpio0_pins_default>;
 };
 
-&main_gpio2 {
-	status = "disabled";
-};
-
-&main_gpio4 {
-	status = "disabled";
-};
-
-&main_gpio6 {
-	status = "disabled";
-};
-
 &wkup_gpio0 {
+	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_rpi_header_gpio0_pins0_default>, <&mcu_rpi_header_gpio0_pins1_default>;
 };
 
-&wkup_gpio1 {
-	status = "disabled";
-};
-
 &wkup_uart0 {
 	status = "reserved";
 	pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index 7794063b77c8a..c6b85bbf9a179 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -299,20 +299,12 @@ J721S2_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (B20) MCU_OSPI1_LBCLKO */
 	};
 };
 
-&main_gpio2 {
-	status = "disabled";
-};
-
-&main_gpio4 {
-	status = "disabled";
-};
-
-&main_gpio6 {
-	status = "disabled";
+&main_gpio0 {
+	status = "okay";
 };
 
-&wkup_gpio1 {
-	status = "disabled";
+&wkup_gpio0 {
+	status = "okay";
 };
 
 &wkup_uart0 {
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 0e0092fa7b9fb..e60f7e18b07dd 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -579,6 +579,7 @@ main_gpio0: gpio@...000 {
 		power-domains = <&k3_pds 111 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 111 0>;
 		clock-names = "gpio";
+		status = "disabled";
 	};
 
 	main_gpio2: gpio@...000 {
@@ -595,6 +596,7 @@ main_gpio2: gpio@...000 {
 		power-domains = <&k3_pds 112 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 112 0>;
 		clock-names = "gpio";
+		status = "disabled";
 	};
 
 	main_gpio4: gpio@...000 {
@@ -611,6 +613,7 @@ main_gpio4: gpio@...000 {
 		power-domains = <&k3_pds 113 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 113 0>;
 		clock-names = "gpio";
+		status = "disabled";
 	};
 
 	main_gpio6: gpio@...000 {
@@ -627,6 +630,7 @@ main_gpio6: gpio@...000 {
 		power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 114 0>;
 		clock-names = "gpio";
+		status = "disabled";
 	};
 
 	main_i2c0: i2c@...0000 {
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index 736ec5fa0ea28..3557f3338377d 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -323,6 +323,7 @@ wkup_gpio0: gpio@...10000 {
 		power-domains = <&k3_pds 115 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 115 0>;
 		clock-names = "gpio";
+		status = "disabled";
 	};
 
 	wkup_gpio1: gpio@...00000 {
@@ -339,6 +340,7 @@ wkup_gpio1: gpio@...00000 {
 		power-domains = <&k3_pds 116 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 116 0>;
 		clock-names = "gpio";
+		status = "disabled";
 	};
 
 	wkup_i2c0: i2c@...20000 {
-- 
2.39.2