[PATCH v2 0/3] arm64: dts: freescale: Enable wdog_b trigger pmic reset for i.MX93

[PATCH v2 0/3] arm64: dts: freescale: Enable wdog_b trigger pmic reset for i.MX93

[Peng Fan (OSS)]

Enable WDOG_B to trigger pmic reset for i.MX93 11x11/14x14 EVK and 9x9
QSB board.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
Changes in v2:
- Add WDOG pinmux settings
- Link to v1: https://lore.kernel.org/r/20240820-imx93-wdog-v1-0-5dafda0d4319@nxp.com

---
Peng Fan (3):
      arm64: dts: freescale: imx93-11x11-evk: enable fsl,ext-reset-output for wdog3
      arm64: dts: freescale: imx93-14x14-evk: enable fsl,ext-reset-output for wdog3
      arm64: dts: freescale: imx93-9x9-qsb: enable fsl,ext-reset-output for wdog3

 arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 8 ++++++++
 arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts | 9 +++++++++
 arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts   | 9 +++++++++
 3 files changed, 26 insertions(+)
---
base-commit: 2d32679c2bbc1570e3bcc429f4f922ff6ee59ca8
change-id: 20240820-imx93-wdog-95ddbb8a1342

Best regards,
-- 
Peng Fan <peng.fan@nxp.com>

[PATCH v2 1/3] arm64: dts: freescale: imx93-11x11-evk: enable fsl,ext-reset-output for wdog3

[Peng Fan (OSS)]

From: Peng Fan <peng.fan@nxp.com>

The WDOG_B is connected to external PMIC, so set "fsl,ext-reset-output"
to enable triggering PMIC reset.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 0e12dcd0d4d1a3f65af3d250b1b96637a666e929..8491eb53120e6a9e21fccb2e5ea26371ee2bb4fb 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -595,6 +595,9 @@ &usdhc2 {
 };
 
 &wdog3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
 	status = "okay";
 };
 
@@ -932,4 +935,9 @@ MX93_PAD_SD2_VSELECT__GPIO3_IO19	0x51e
 		>;
 	};
 
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY	0x31e
+		>;
+	};
 };

-- 
2.37.1

[PATCH v2 2/3] arm64: dts: freescale: imx93-14x14-evk: enable fsl,ext-reset-output for wdog3

[Peng Fan (OSS)]

From: Peng Fan <peng.fan@nxp.com>

The WDOG_B is connected to external PMIC, so set "fsl,ext-reset-output"
to enable triggering PMIC reset.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts
index 236a44c1782ae1dd39a104f7145c681e291c0e8b..800d398e7820f876890a492da70fd5370ee5f525 100644
--- a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts
@@ -284,6 +284,9 @@ &usdhc2 {
 };
 
 &wdog3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
 	status = "okay";
 };
 
@@ -465,4 +468,10 @@ MX93_PAD_SD2_DATA3__USDHC2_DATA3	0x400013fe
 			MX93_PAD_SD2_VSELECT__USDHC2_VSELECT	0x51e
 		>;
 	};
+
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY	0x31e
+		>;
+	};
 };

-- 
2.37.1

[PATCH v2 3/3] arm64: dts: freescale: imx93-9x9-qsb: enable fsl,ext-reset-output for wdog3

[Peng Fan (OSS)]

From: Peng Fan <peng.fan@nxp.com>

The WDOG_B is connected to external PMIC, so set "fsl,ext-reset-output"
to enable triggering PMIC reset.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
index 36f2995acbe297b3eec4059d0b06461e3985db67..75e67115d52f95dc2a04b30c95a9db0d4ebb12b3 100644
--- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
@@ -459,6 +459,9 @@ &usdhc2 {
 };
 
 &wdog3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
 	status = "okay";
 };
 
@@ -646,4 +649,10 @@ MX93_PAD_SD2_DATA3__USDHC2_DATA3	0x400013fe
 			MX93_PAD_SD2_VSELECT__USDHC2_VSELECT	0x51e
 		>;
 	};
+
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY	0x31e
+		>;
+	};
 };

-- 
2.37.1

Re: [PATCH v2 0/3] arm64: dts: freescale: Enable wdog_b trigger pmic reset for i.MX93

[Shawn Guo]

On Tue, Dec 24, 2024 at 08:33:35PM +0800, Peng Fan (OSS) wrote:
> Peng Fan (3):
>       arm64: dts: freescale: imx93-11x11-evk: enable fsl,ext-reset-output for wdog3
>       arm64: dts: freescale: imx93-14x14-evk: enable fsl,ext-reset-output for wdog3
>       arm64: dts: freescale: imx93-9x9-qsb: enable fsl,ext-reset-output for wdog3

Applied all, thanks!