linux-kernel - [PATCH v1 2/2] ARM: dts: imx6q-apalis: add can power-up delay on ixora board

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Message-Id: <20231020153022.57858-3-andrejs.cainikovs@gmail.com>
Date:   Fri, 20 Oct 2023 17:30:22 +0200
From:   Andrejs Cainikovs <andrejs.cainikovs@...il.com>
To:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Andrejs Cainikovs <andrejs.cainikovs@...adex.com>,
        stable@...r.kernel.org
Subject: [PATCH v1 2/2] ARM: dts: imx6q-apalis: add can power-up delay on ixora board

From: Andrejs Cainikovs <andrejs.cainikovs@...adex.com>

Newer variants of Ixora boards require a power-up delay when powering up
the CAN transceiver of up to 1ms.

Cc: stable@...r.kernel.org
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@...adex.com>
---
 arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
index 717decda0ceb..3ac7a4501620 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
@@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_enable_can1_power>;
 		regulator-name = "can1_supply";
+		startup-delay-us = <1000>;
 	};
 
 	reg_can2_supply: regulator-can2-supply {
@@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_enable_can2_power>;
 		regulator-name = "can2_supply";
+		startup-delay-us = <1000>;
 	};
 };
 
-- 
2.34.1