[PATCH v5 2/2] ARM: dts: imx: ventana: Add wdt ext-reset support
STALE3797d
REVIEWED: 4 (4M)
From: linux@roeck-us.net (Guenter Roeck)
Date: 2016-04-08 01:10:53
Also in:
linux-watchdog
Revision v5 of 7 in this series; 1 review trailer.
Revisions (7)
On 04/01/2016 08:16 AM, Tim Harvey wrote:
The Gateworks Ventana boards have a PMIC that can be used to regulate the CPU voltage rails for DVFS support. In order to ensure this PMIC is properly reset the watchdog needs to be configured to assert its external reset signal. Cc: Fabio Estevam <festevam@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Stefan Roese <sr@denx.de> Cc: Iain Paton <redacted> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Akshay Bhat <redacted> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
quoted hunk ↗ jump to hunk
---- v5: - changed property to 'fsl,ext-reset-output' v4: - put property in wdoggrp Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- arch/arm/boot/dts/imx6qdl-gw51xx.dtsi | 12 ++++++++++++ arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 12 ++++++++++++ arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 12 ++++++++++++ arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 17 +++++++++++++++++ arch/arm/boot/dts/imx6qdl-gw551x.dtsi | 12 ++++++++++++ arch/arm/boot/dts/imx6qdl-gw552x.dtsi | 12 ++++++++++++ 6 files changed, 77 insertions(+)diff --git a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi index 9d7ab6c..1340e27 100644 --- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi@@ -228,6 +228,12 @@ status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; +}; + &iomuxc { imx6qdl-gw51xx { pinctrl_enet: enetgrp {@@ -364,5 +370,11 @@ MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x1b0b0 /* OTG_PWR_EN */ >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0 + >; + }; }; };diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi index 8dd74e9..8cccc4a 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi@@ -353,6 +353,12 @@ status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; +}; + &iomuxc { imx6qdl-gw52xx { pinctrl_audmux: audmuxgrp {@@ -549,5 +555,11 @@ MX6QDL_PAD_NANDF_CS1__SD3_VSELECT 0x170f9 >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0 + >; + }; }; };diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index ec3fe74..5f700cc 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi@@ -351,6 +351,12 @@ status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; +}; + &iomuxc { imx6qdl-gw53xx { pinctrl_audmux: audmuxgrp {@@ -539,5 +545,11 @@ MX6QDL_PAD_NANDF_CS1__SD3_VSELECT 0x170f9 >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0 + >; + }; }; };diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi index 367cc49..d19b4cc 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi@@ -453,6 +453,17 @@ status = "okay"; }; +&wdog1 { + status = "disabled"; +}; + +&wdog2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; + status = "okay"; +}; + &iomuxc { imx6qdl-gw54xx { pinctrl_audmux: audmuxgrp {@@ -654,5 +665,11 @@ MX6QDL_PAD_NANDF_CS1__SD3_VSELECT 0x170f9 >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_SD1_DAT3__WDOG2_B 0x1b0b0 + >; + }; }; };diff --git a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi index 118bea5..4b9fef8 100644 --- a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi@@ -239,6 +239,12 @@ status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; +}; + &iomuxc { imx6qdl-gw51xx { pinctrl_flexcan1: flexcan1grp {@@ -333,5 +339,11 @@ MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x17059 >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0 + >; + }; }; };diff --git a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi index f27f184..805e236 100644 --- a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi@@ -197,6 +197,12 @@ status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; +}; + &iomuxc { imx6qdl-gw552x { pinctrl_gpio_leds: gpioledsgrp {@@ -286,5 +292,11 @@ MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA 0x1b0b1 >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0 + >; + }; }; };