linux-kernel - [PATCH v5 1/9] ARM: dts: stm32: Add alternate pinmux for i2s pins

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Date:   Wed, 16 Aug 2023 14:24:21 +0200
From:   Sean Nyekjaer <sean@...nix.com>
To:     l.goehrs@...gutronix.de, a.fatoum@...gutronix.de,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc:     Sean Nyekjaer <sean@...nix.com>, dantuguf14105@...il.com,
        Olivier Moysan <olivier.moysan@...s.st.com>,
        devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 1/9] ARM: dts: stm32: Add alternate pinmux for i2s pins

Add another mux option for i2s pins, this is used on Octavo OSD32MP1-RED board.

Signed-off-by: Sean Nyekjaer <sean@...nix.com>
Reviewed-by: Olivier Moysan <olivier.moysan@...s.st.com>
---
 arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
index 098153ee99a3..92726ad7285f 100644
--- a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
@@ -787,6 +787,25 @@ pins {
 		};
 	};
 
+	i2s2_pins_b: i2s2-1 {
+		pins {
+			pinmux = <STM32_PINMUX('C',  3, AF5)>, /* I2S2_SDO */
+				 <STM32_PINMUX('B', 12, AF5)>, /* I2S2_WS */
+				 <STM32_PINMUX('B', 13, AF5)>; /* I2S2_CK */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <1>;
+		};
+	};
+
+	i2s2_sleep_pins_b: i2s2-sleep-1 {
+		pins {
+			pinmux = <STM32_PINMUX('C', 3, ANALOG)>, /* I2S2_SDO */
+				 <STM32_PINMUX('B', 12, ANALOG)>, /* I2S2_WS */
+				 <STM32_PINMUX('B', 13, ANALOG)>; /* I2S2_CK */
+		};
+	};
+
 	ltdc_pins_a: ltdc-0 {
 		pins {
 			pinmux = <STM32_PINMUX('G',  7, AF14)>, /* LCD_CLK */
-- 
2.41.0