From 984d4374ef06e20afecf66790f352c89fdf24a3d Mon Sep 17 00:00:00 2001 From: Nicolas Ferre Date: Sun, 17 Jan 2021 19:35:58 +0100 Subject: [PATCH 1/2] ARM: dts: at91-sama5d27_wlsom1: add i2c recovery Add the i2c gpio pinctrls to support the i2c bus recovery on this board. Signed-off-by: Nicolas Ferre Reviewed-by: Codrin Ciubotariu Link: https://lore.kernel.org/r/20210117183558.5369-1-nicolas.ferre@microchip.com --- arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi | 22 +++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi index a06700e53e4c..025a78310e3a 100644 --- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi +++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi @@ -43,14 +43,20 @@ &i2c0 { pinctrl-0 = <&pinctrl_i2c0_default>; - pinctrl-names = "default"; + pinctrl-1 = <&pinctrl_i2c0_gpio>; + pinctrl-names = "default", "gpio"; + sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; }; &i2c1 { dmas = <0>, <0>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1_default>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; mcp16502@5b { @@ -258,12 +264,24 @@ bias-disable; }; + pinctrl_i2c0_gpio: i2c0_gpio { + pinmux = , + ; + bias-disable; + }; + pinctrl_i2c1_default: i2c1_default { pinmux = , ; bias-disable; }; + pinctrl_i2c1_gpio: i2c1_gpio { + pinmux = , + ; + bias-disable; + }; + pinctrl_macb0_default: macb0_default { pinmux = , , From 53efdfbb3b5f91c3db151243e090f755ee48219d Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Tue, 5 Jan 2021 13:18:45 +0200 Subject: [PATCH 2/2] ARM: dts: at91: sama5d2: remove atmel,wakeup-type references atmel,wakeup-type DT property is not referenced anywhere in the current and previous version of the code thus remove it. Signed-off-by: Claudiu Beznea Signed-off-by: Nicolas Ferre Link: https://lore.kernel.org/r/1609845525-10766-1-git-send-email-claudiu.beznea@microchip.com --- arch/arm/boot/dts/at91-kizbox3_common.dtsi | 1 - arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 1 - arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts | 1 - arch/arm/boot/dts/at91-sama5d2_icp.dts | 1 - arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts | 1 - arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 - 6 files changed, 6 deletions(-) diff --git a/arch/arm/boot/dts/at91-kizbox3_common.dtsi b/arch/arm/boot/dts/at91-kizbox3_common.dtsi index 9ce513dd514b..c4b3750495da 100644 --- a/arch/arm/boot/dts/at91-kizbox3_common.dtsi +++ b/arch/arm/boot/dts/at91-kizbox3_common.dtsi @@ -341,7 +341,6 @@ input@0 { reg = <0>; - atmel,wakeup-type = "low"; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts index 0e159f879c15..84e1180f3e89 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts @@ -142,7 +142,6 @@ input@0 { reg = <0>; - atmel,wakeup-type = "low"; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts index 6b38fa3f5568..180a08765cb8 100644 --- a/arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts @@ -209,7 +209,6 @@ input@0 { reg = <0>; - atmel,wakeup-type = "low"; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts index 6783cf16ff81..46722a163184 100644 --- a/arch/arm/boot/dts/at91-sama5d2_icp.dts +++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts @@ -697,7 +697,6 @@ input@0 { reg = <0>; - atmel,wakeup-type = "low"; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts index c894c7c788a9..8de57d164acd 100644 --- a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts @@ -206,7 +206,6 @@ input@0 { reg = <0>; - atmel,wakeup-type = "low"; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index 058fae1b4a76..4e7cf21f124c 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -351,7 +351,6 @@ input@0 { reg = <0>; - atmel,wakeup-type = "low"; }; };