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Message-Id: <20231021005250.3498664-1-kieran.bingham@ideasonboard.com>
Date: Sat, 21 Oct 2023 01:52:47 +0100
From: Kieran Bingham <kieran.bingham@...asonboard.com>
To: devicetree@...r.kernel.org
Cc: Kieran Bingham <kieran.bingham@...asonboard.com>,
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>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Marco Felsch <m.felsch@...gutronix.de>,
linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX
/ MXC ARM ARCHITECTURE), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] arm64: dts: freescale: debix-som-a-bmb-08: Add CSI Power Regulators
Provide the 1.8 and 3.3 volt regulators that are utilised on the Debix
SOM BMB-08 base board.
Facilitate this by also supplying the pin control used to enable the
regulators on the second MIPI CSI port.
Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>
---
.../freescale/imx8mp-debix-som-a-bmb-08.dts | 56 +++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
index 0b0c95432bdc..e058402f1f2e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts
@@ -63,6 +63,50 @@ regulator-som-vdd3v3 {
regulator-always-on;
};
+ reg_csi1_1v8: regulator-csi1-vdd1v8 {
+ compatible = "regulator-fixed";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "CSI1_VDD1V8_SW";
+ gpio = <&expander0 13 GPIO_ACTIVE_HIGH>;
+ vin-supply = <®_baseboard_vdd3v3>;
+ enable-active-high;
+ };
+
+ reg_csi1_3v3: regulator-csi1-vdd3v3 {
+ compatible = "regulator-fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "CSI1_VDD3V3_SW";
+ gpio = <&expander0 14 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <®_vdd5v0>;
+ };
+
+ reg_csi2_1v8: regulator-csi2-vdd1v8 {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_csi2_1v8>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "CSI2_VDD1V8_SW";
+ gpio = <&gpio3 21 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <®_baseboard_vdd3v3>;
+ };
+
+ reg_csi2_3v3: regulator-csi2-vdd3v3 {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_csi2_3v3>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "CSI2_VDD3V3_SW";
+ gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <®_vdd5v0>;
+ };
+
regulator-vbus-usb20 {
compatible = "regulator-fixed";
regulator-min-microvolt = <5000000>;
@@ -413,6 +457,18 @@ MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x41
>;
};
+ pinctrl_reg_csi2_1v8: regcsi21v8grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x19
+ >;
+ };
+
+ pinctrl_reg_csi2_3v3: regcsi23v3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x19
+ >;
+ };
+
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x14f
--
2.34.1
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