[PATCH v2 5/6] ARM: at91/dt: sama5d4: add i2c gpio pinctrl
From: <Codrin.Ciubotariu@microchip.com>
Date: 2020-01-03 09:49:21
Also in:
linux-arm-kernel, linux-i2c, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Kamel Bouhara <kamel.bouhara@bootlin.com> Add the i2c gpio pinctrls so the i2c bus recovery option can be enabled Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com> --- Changes in v2: - none; arch/arm/boot/dts/sama5d4.dtsi | 33 ++++++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 6ab27a7b388d..34351baab985 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi@@ -458,8 +458,11 @@ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(3))>; dma-names = "tx", "rx"; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c0>; + pinctrl-1 = <&pinctrl_i2c0_gpio>; + sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA 31 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 32>;
@@ -477,8 +480,11 @@ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(5))>; dma-names = "tx", "rx"; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + sda-gpios = <&pioE 29 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioE 30 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 33>;
@@ -519,8 +525,11 @@ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(7))>; dma-names = "tx", "rx"; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; + sda-gpios = <&pioB 29 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioB 30 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 34>;
@@ -1122,6 +1131,12 @@ <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>; }; + + pinctrl_i2c0_gpio: i2c0-gpio { + atmel,pins = + <AT91_PIOA 30 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP + AT91_PIOA 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; + }; }; i2c1 {
@@ -1130,6 +1145,12 @@ <AT91_PIOE 29 AT91_PERIPH_C AT91_PINCTRL_NONE /* TWD1, conflicts with UART0 RX and DIBP */ AT91_PIOE 30 AT91_PERIPH_C AT91_PINCTRL_NONE>; /* TWCK1, conflicts with UART0 TX and DIBN */ }; + + pinctrl_i2c1_gpio: i2c1-gpio { + atmel,pins = + <AT91_PIOE 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP + AT91_PIOE 30 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; + }; }; i2c2 {
@@ -1138,6 +1159,12 @@ <AT91_PIOB 29 AT91_PERIPH_A AT91_PINCTRL_NONE /* TWD2, conflicts with RD0 and PWML1 */ AT91_PIOB 30 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* TWCK2, conflicts with RF0 */ }; + + pinctrl_i2c2_gpio: i2c2-gpio { + atmel,pins = + <AT91_PIOB 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP + AT91_PIOB 30 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; + }; }; isi {
--
2.20.1