From 51a012b76267f2de8a0209ffdf91f67f3fb3ff42 Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Wed, 29 Jun 2016 06:31:03 -0700 Subject: [PATCH] ARM: dts: imx: ventana: Add ext watchdog reset bc677ff42e81bbf78308a7b66cf7b63b0f5c26b0 adds a device-tree property to specify that an external watchdog reset is used to reset other portions of the board and not just the IMX6 SoC. This adds the property to the proper watchdog as well as the pinmux for the Gateworks Ventana boards that use this external watchdog reset to reset the PMIC which will reset all the PMIC power rails and not just a chip-level IMX6 reset. This helps to work around various system issues that can cause a hang when coming out of reset. Signed-off-by: Tim Harvey Signed-off-by: Shawn Guo --- 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 9d7ab6cdc9a6..1340e2760406 100644 --- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi @@ -228,6 +228,12 @@ &usbh1 { 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_GPIO_1__USB_OTG_ID 0x17059 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 7191b84770b9..8bf1020affa0 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi @@ -353,6 +353,12 @@ &usdhc3 { 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_SD3_DAT5__GPIO7_IO00 0x170f9 /* CD */ 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 40d06b09deba..a3dd0c41b995 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -351,6 +351,12 @@ &usdhc3 { 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_SD3_DAT5__GPIO7_IO00 0x170f9 /* CD */ 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 d6dbe2a88ee6..5a8dbabbd20f 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi @@ -453,6 +453,17 @@ &usdhc3 { 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_SD3_DAT5__GPIO7_IO00 0x170f9 /* CD */ 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 118bea524dab..4b9fef834822 100644 --- a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi @@ -239,6 +239,12 @@ &usbh1 { status = "okay"; }; +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; +}; + &iomuxc { imx6qdl-gw51xx { pinctrl_flexcan1: flexcan1grp { @@ -333,5 +339,11 @@ pinctrl_usbotg: usbotggrp { 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 f27f184558fb..805e23674a94 100644 --- a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi @@ -197,6 +197,12 @@ &usbh1 { 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_COL1__UART5_TX_DATA 0x1b0b1 MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA 0x1b0b1 >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0 + >; + }; }; }; -- 2.45.2