From 80213e6c39c393d1fed20680f6157f0c4f7bfc17 Mon Sep 17 00:00:00 2001
From: Gianfranco Mariotti <gianfranco.mariotti@seco.com>
Date: Thu, 25 May 2023 15:40:06 +0200
Subject: [PATCH] [D18] add gpio expander PCAL6416 support
---
arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts | 28 +++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts b/arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts
index 487b4e3ef5b09..be83034e8100b 100644
--- a/arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts
+++ b/arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts
@@ -54,6 +54,17 @@ reg_audio_pwr: regulator-audio-pwr {
regulator-always-on;
};
+ reg_pca6416_20: regulator-pca6416-20-pwr {
+ compatible = "regulator-fixed";
+ regulator-name = "pca6416-20-pwr";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
bt_sco_codec: bt_sco_codec {
};
@@ -291,10 +302,16 @@ &i2c3 {
status = "okay";
pca6416: gpio@20 {
- compatible = "ti,tca6416";
+ compatible = "nxp,pcal6416";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pca6416_20>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
};
};
@@ -523,6 +540,15 @@ MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x400001c3
MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x400001c3
MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x40000019
MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x40000019
+
+ /* GPIO expander 0x20 */
+ MX8MP_IOMUXC_GPIO1_IO07__GPIO1_IO07 0x40000
+ >;
+ };
+
+ pinctrl_pca6416_20: pca641620 {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO01__GPIO1_IO01 0x0
>;
};
--
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