diff options
| author | Kamel Bouhara <kamel.bouhara@bootlin.com> | 2020-02-25 18:50:12 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-03-10 00:13:12 +0300 |
| commit | 455fec938bbbe64210da0a10f0aaa7d97c8b31b0 (patch) | |
| tree | 2704baf551f1c4e65664f86e0d7f743bc244a4ab | |
| parent | 8fb82f050cf696989cceb09fc503e69f406d28de (diff) | |
| download | linux-455fec938bbbe64210da0a10f0aaa7d97c8b31b0.tar.xz | |
ARM: dts: at91: sama5d2: add i2c gpio pinctrl
Add the i2c gpio pinctrls to support the i2c bus recovery
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>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20200225155012.22764-4-codrin.ciubotariu@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts | 33 | ||||
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d2_xplained.dts | 33 |
2 files changed, 60 insertions, 6 deletions
diff --git a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts index ba7f3e646c26..1c24ac8019ba 100644 --- a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts @@ -180,8 +180,11 @@ i2c0: i2c@f8028000 { dmas = <0>, <0>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c0_default>; + pinctrl-1 = <&pinctrl_i2c0_gpio>; + sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PD22 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -198,8 +201,11 @@ #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 19>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_flx0_default>; + pinctrl-1 = <&pinctrl_flx0_gpio>; + sda-gpios = <&pioA PIN_PB28 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PB29 GPIO_ACTIVE_HIGH>; atmel,fifo-size = <16>; status = "okay"; }; @@ -226,8 +232,11 @@ i2c1: i2c@fc028000 { dmas = <0>, <0>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1_default>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + sda-gpios = <&pioA PIN_PC6 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PC7 GPIO_ACTIVE_HIGH>; status = "okay"; at24@50 { @@ -244,18 +253,36 @@ bias-disable; }; + pinctrl_flx0_gpio: flx0_gpio { + pinmux = <PIN_PB28__GPIO>, + <PIN_PB29__GPIO>; + bias-disable; + }; + pinctrl_i2c0_default: i2c0_default { pinmux = <PIN_PD21__TWD0>, <PIN_PD22__TWCK0>; bias-disable; }; + pinctrl_i2c0_gpio: i2c0_gpio { + pinmux = <PIN_PD21__GPIO>, + <PIN_PD22__GPIO>; + bias-disable; + }; + pinctrl_i2c1_default: i2c1_default { pinmux = <PIN_PC6__TWD1>, <PIN_PC7__TWCK1>; bias-disable; }; + pinctrl_i2c1_gpio: i2c1_gpio { + pinmux = <PIN_PC6__GPIO>, + <PIN_PC7__GPIO>; + bias-disable; + }; + pinctrl_key_gpio_default: key_gpio_default { pinmux = <PIN_PA10__GPIO>; bias-pull-up; diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index 9d0a7fbea725..055ee53e4773 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -129,8 +129,11 @@ i2c0: i2c@f8028000 { dmas = <0>, <0>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c0_default>; + pinctrl-1 = <&pinctrl_i2c0_gpio>; + sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PD22 GPIO_ACTIVE_HIGH>; i2c-sda-hold-time-ns = <350>; status = "okay"; @@ -331,8 +334,11 @@ #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 23>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_flx4_default>; + pinctrl-1 = <&pinctrl_flx4_gpio>; + sda-gpios = <&pioA PIN_PD12 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PD13 GPIO_ACTIVE_HIGH>; atmel,fifo-size = <16>; i2c-analog-filter; i2c-digital-filter; @@ -343,11 +349,14 @@ i2c1: i2c@fc028000 { dmas = <0>, <0>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1_default>; i2c-analog-filter; i2c-digital-filter; i2c-digital-filter-width-ns = <35>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + sda-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA PIN_PD5 GPIO_ACTIVE_HIGH>; status = "okay"; at24@54 { @@ -441,18 +450,36 @@ bias-disable; }; + pinctrl_flx4_gpio: flx4_gpio { + pinmux = <PIN_PD12__GPIO>, + <PIN_PD13__GPIO>; + bias-disable; + }; + pinctrl_i2c0_default: i2c0_default { pinmux = <PIN_PD21__TWD0>, <PIN_PD22__TWCK0>; bias-disable; }; + pinctrl_i2c0_gpio: i2c0_gpio { + pinmux = <PIN_PD21__GPIO>, + <PIN_PD22__GPIO>; + bias-disable; + }; + pinctrl_i2c1_default: i2c1_default { pinmux = <PIN_PD4__TWD1>, <PIN_PD5__TWCK1>; bias-disable; }; + pinctrl_i2c1_gpio: i2c1_gpio { + pinmux = <PIN_PD4__GPIO>, + <PIN_PD5__GPIO>; + bias-disable; + }; + pinctrl_i2s0_default: i2s0_default { pinmux = <PIN_PC1__I2SC0_CK>, <PIN_PC2__I2SC0_MCK>, |