[PATCH] ARM: dts: at91-sama5d27_wlsom1: add i2c recovery
From: <nicolas.ferre@microchip.com>
Date: 2021-01-17 18:37:59
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Nicolas Ferre <nicolas.ferre@microchip.com> Add the i2c gpio pinctrls to support the i2c bus recovery on this board. Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@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 @@ uart6: serial@200 { &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 @@ pinctrl_i2c0_default: i2c0_default { bias-disable; }; + pinctrl_i2c0_gpio: i2c0_gpio { + pinmux = <PIN_PD21__GPIO>, + <PIN_PD22__GPIO>; + bias-disable; + }; + pinctrl_i2c1_default: i2c1_default { pinmux = <PIN_PD19__TWD1>, <PIN_PD20__TWCK1>; bias-disable; }; + pinctrl_i2c1_gpio: i2c1_gpio { + pinmux = <PIN_PD19__GPIO>, + <PIN_PD20__GPIO>; + bias-disable; + }; + pinctrl_macb0_default: macb0_default { pinmux = <PIN_PB14__GTXCK>, <PIN_PB15__GTXEN>,
--
2.30.0
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