All of lore.kernel.org
 help / color / mirror / Atom feed
From: Kamel Bouhara <kamel.bouhara@bootlin.com>
To: Codrin.Ciubotariu@microchip.com
Cc: Kamel Bouhara <kamel.bouhara@bootlin.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Ludovic Desroches <ludovic.desroches@microchip.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] ARM: at91/dt: sama5d2: add i2c gpio pinctrl
Date: Thu,  5 Dec 2019 15:03:05 +0100	[thread overview]
Message-ID: <20191205140305.1144788-4-kamel.bouhara@bootlin.com> (raw)
In-Reply-To: <20191205140305.1144788-1-kamel.bouhara@bootlin.com>

Add the i2c gpio pinctrls to support the i2c bus recovery

Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
---
 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..b3cd651ecda0 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-pull-up;
+				};
+
 				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-pull-up;
+				};
+
 				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-pull-up;
+				};
+
 				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 808e399fd39a..c22e2aad87fa 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>;
 					status = "okay";
 				};
@@ -340,8 +346,11 @@
 
 			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_PD4 GPIO_ACTIVE_HIGH>;
+				scl-gpios = <&pioA PIN_PD5 GPIO_ACTIVE_HIGH>;
 				status = "okay";
 
 				at24@54 {
@@ -435,18 +444,36 @@
 					bias-disable;
 				};
 
+				pinctrl_flx4_gpio: flx4_gpio {
+					pinmux = <PIN_PD12__GPIO>,
+						 <PIN_PD13__GPIO>;
+					bias-pull-up;
+				};
+
 				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-pull-up;
+				};
+
 				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-pull-up;
+				};
+
 				pinctrl_i2s0_default: i2s0_default {
 					pinmux = <PIN_PC1__I2SC0_CK>,
 						 <PIN_PC2__I2SC0_MCK>,
-- 
2.24.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-12-05 14:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-05 14:03 [PATCH 0/3] SAMA5D2 i2c bus recovery testing Kamel Bouhara
2019-12-05 14:03 ` [PATCH 1/3] dt-bindings: i2c: at91: document optional bus recovery properties Kamel Bouhara
2019-12-05 14:03 ` [PATCH 2/3] i2c: at91: implement i2c bus recovery Kamel Bouhara
2019-12-05 14:03 ` Kamel Bouhara [this message]
2019-12-16 10:10 ` [PATCH 0/3] SAMA5D2 i2c bus recovery testing Ludovic Desroches
2019-12-16 10:26   ` Kamel Bouhara

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191205140305.1144788-4-kamel.bouhara@bootlin.com \
    --to=kamel.bouhara@bootlin.com \
    --cc=Codrin.Ciubotariu@microchip.com \
    --cc=alexandre.belloni@bootlin.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=ludovic.desroches@microchip.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.