Messages in this thread Patch in this message | | | From | Codrin Ciubotariu <> | Subject | [PATCH v3 5/6] ARM: at91/dt: sama5d4: add i2c gpio pinctrl | Date | Wed, 15 Jan 2020 13:54:21 +0200 |
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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> [codrin.ciubotariu@microchip.com: removed gpio pull-ups] Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> ---
Changes in v3: - removed gpio pull-ups;
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..26ce868096c2 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_NONE + AT91_PIOA 31 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; }; 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_NONE + AT91_PIOE 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; }; 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_NONE + AT91_PIOB 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; }; isi { -- 2.20.1
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