linux-kernel - [PATCH 2/3] arm64: dts: marvell: AC5: use I2C unstuck function

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Date:   Wed, 27 Sep 2023 12:48:00 +1300
From:   Chris Packham <chris.packham@...iedtelesis.co.nz>
To:     gregory.clement@...tlin.com, andi.shyti@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, pierre.gondois@....com
Cc:     linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH 2/3] arm64: dts: marvell: AC5: use I2C unstuck function

The AC5 SoC supports using a controller based I2C unstuck function for
recovery. Use this instead of the generic GPIO recovery.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---
 arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
index c9ce1010c415..e52d3c3496d5 100644
--- a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
@@ -137,7 +137,7 @@ mdio: mdio@...04 {
 
 			i2c0: i2c@...00{
 				compatible = "marvell,mv78230-i2c";
-				reg = <0x11000 0x20>;
+				reg = <0x11000 0x20>, <0x110a0 0x4>;
 				#address-cells = <1>;
 				#size-cells = <0>;
 
@@ -146,17 +146,14 @@ i2c0: i2c@...00{
 				interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
 				clock-frequency=<100000>;
 
-				pinctrl-names = "default", "gpio";
+				pinctrl-names = "default";
 				pinctrl-0 = <&i2c0_pins>;
-				pinctrl-1 = <&i2c0_gpio>;
-				scl-gpios = <&gpio0 26 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
-				sda-gpios = <&gpio0 27 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 				status = "disabled";
 			};
 
 			i2c1: i2c@...00{
 				compatible = "marvell,mv78230-i2c";
-				reg = <0x11100 0x20>;
+				reg = <0x11100 0x20>, <0x110a4 0x4>;
 				#address-cells = <1>;
 				#size-cells = <0>;
 
@@ -165,11 +162,8 @@ i2c1: i2c@...00{
 				interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
 				clock-frequency=<100000>;
 
-				pinctrl-names = "default", "gpio";
+				pinctrl-names = "default";
 				pinctrl-0 = <&i2c1_pins>;
-				pinctrl-1 = <&i2c1_gpio>;
-				scl-gpios = <&gpio0 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
-				sda-gpios = <&gpio0 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 				status = "disabled";
 			};
 
-- 
2.42.0