From mboxrd@z Thu Jan 1 00:00:00 1970 From: Codrin Ciubotariu Subject: [PATCH v4 4/4] ARM: at91/dt: sama5d2: add i2c gpio pinctrl Date: Tue, 25 Feb 2020 17:50:12 +0200 Message-ID: <20200225155012.22764-4-codrin.ciubotariu@microchip.com> References: <20200225155012.22764-1-codrin.ciubotariu@microchip.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from esa4.microchip.iphmx.com ([68.232.154.123]:48597 "EHLO esa4.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731136AbgBYPuh (ORCPT ); Tue, 25 Feb 2020 10:50:37 -0500 In-Reply-To: <20200225155012.22764-1-codrin.ciubotariu@microchip.com> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: ludovic.desroches@microchip.com, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, robh+dt@kernel.org, peda@axentia.se, linux@armlinux.org.uk, wsa@the-dreams.de, Kamel Bouhara , Codrin Ciubotariu From: Kamel Bouhara Add the i2c gpio pinctrls to support the i2c bus recovery Signed-off-by: Kamel Bouhara [codrin.ciubotariu@microchip.com: removed gpio pull-ups] Signed-off-by: Codrin Ciubotariu Acked-by: Ludovic Desroches --- Changes in v4: - added Acked-by tag from Ludovic; Changes in v3: - removed gpio pull-ups; Changes in v2: - new patch; arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts | 33 +++++++++++++++++++-- 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 = , + ; + bias-disable; + }; + pinctrl_i2c0_default: i2c0_default { pinmux = , ; 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_key_gpio_default: key_gpio_default { pinmux = ; 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 = , + ; + bias-disable; + }; + pinctrl_i2c0_default: i2c0_default { pinmux = , ; 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_i2s0_default: i2s0_default { pinmux = , , -- 2.20.1