From 33b424c684853933c7267363f4b1ae21e735b41f Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Tue, 8 Feb 2022 13:32:45 +0100 Subject: [PATCH] ARM: dts: imx6qdl: tqma6: Add i2c bus recovery Add the pinmuxing and GPIO settings for SCL/SDA for i2c1 & i2c3. Signed-off-by: Alexander Stein Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6qdl-mba6b.dtsi | 5 ++++- arch/arm/boot/dts/imx6qdl-tqma6.dtsi | 14 ++++++++++++++ arch/arm/boot/dts/imx6qdl-tqma6a.dtsi | 7 ++++++- arch/arm/boot/dts/imx6qdl-tqma6b.dtsi | 7 ++++++- 4 files changed, 30 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-mba6b.dtsi b/arch/arm/boot/dts/imx6qdl-mba6b.dtsi index 2e3407790963b..7d1cd7454c7f5 100644 --- a/arch/arm/boot/dts/imx6qdl-mba6b.dtsi +++ b/arch/arm/boot/dts/imx6qdl-mba6b.dtsi @@ -13,8 +13,11 @@ &i2c1 { clock-frequency = <100000>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_recovery>; + scl-gpios = <&gpio5 27 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 26 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-tqma6.dtsi b/arch/arm/boot/dts/imx6qdl-tqma6.dtsi index 51a3a5392c952..344ea935c7dac 100644 --- a/arch/arm/boot/dts/imx6qdl-tqma6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tqma6.dtsi @@ -52,6 +52,13 @@ >; }; + pinctrl_i2c1_recovery: i2c1recoverygrp { + fsl,pins = < + MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x4001b899 + MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x4001b899 + >; + }; + pinctrl_i2c3: i2c3grp { fsl,pins = < MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b899 @@ -59,6 +66,13 @@ >; }; + pinctrl_i2c3_recovery: i2c3recoverygrp { + fsl,pins = < + MX6QDL_PAD_GPIO_5__GPIO1_IO05 0x4001b899 + MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x4001b899 + >; + }; + pinctrl_pmic: pmicgrp { fsl,pins = < MX6QDL_PAD_NANDF_RB0__GPIO6_IO10 0x1b099 /* PMIC irq */ diff --git a/arch/arm/boot/dts/imx6qdl-tqma6a.dtsi b/arch/arm/boot/dts/imx6qdl-tqma6a.dtsi index bfb67da64b960..7dc3f0005b0f0 100644 --- a/arch/arm/boot/dts/imx6qdl-tqma6a.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tqma6a.dtsi @@ -4,6 +4,8 @@ * Copyright 2013-2017 Markus Niebel */ +#include + &fec { interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; @@ -11,8 +13,11 @@ }; &i2c1 { - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_recovery>; + scl-gpios = <&gpio5 27 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 26 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; clock-frequency = <100000>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-tqma6b.dtsi b/arch/arm/boot/dts/imx6qdl-tqma6b.dtsi index 49c472285c064..dd09257664403 100644 --- a/arch/arm/boot/dts/imx6qdl-tqma6b.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tqma6b.dtsi @@ -4,9 +4,14 @@ * Copyright 2013-2017 Markus Niebel */ +#include + &i2c3 { - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c3>; + pinctrl-1 = <&pinctrl_i2c3_recovery>; + scl-gpios = <&gpio1 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; clock-frequency = <100000>; status = "okay"; -- 2.30.2