From f613d469e2c60d3cfdcfd124d7761ebff716e6cc Mon Sep 17 00:00:00 2001
From: Clemens Terasa <clemens.terasa@garz-fricke.com>
Date: Tue, 15 Mar 2022 18:16:57 +0100
Subject: [PATCH] arm:dts: Add support for SANTINO-LT
Add support for the Garz & Fricke SANTINO-LT platform. The SANTINO-LT
platform is based on an NXP i.MX6 Solo or DualLite. It includes support
for a parallel RBG Display, CAN, Audio, I2C Touch, RS232, RS485,
microSD-Card.
---
arch/arm/boot/dts/garzfricke/Makefile | 1 +
.../boot/dts/garzfricke/imx6dl-santino-lt.dts | 18 ++
.../dts/garzfricke/imx6dl-santino-lt.dtsi | 264 ++++++++++++++++++
3 files changed, 283 insertions(+)
create mode 100644 arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dts
create mode 100644 arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dtsi
diff --git a/arch/arm/boot/dts/garzfricke/Makefile b/arch/arm/boot/dts/garzfricke/Makefile
index 166a85f84d367..a3431e36031c3 100644
--- a/arch/arm/boot/dts/garzfricke/Makefile
+++ b/arch/arm/boot/dts/garzfricke/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_SOC_IMX6Q) += \
imx6dl-santaro.dtb \
+ imx6dl-santino-lt.dtb \
imx6dl-santino.dtb \
imx6dl-santoka.dtb \
imx6q-santaro.dtb \
diff --git a/arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dts b/arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dts
new file mode 100644
index 0000000000000..d47f579c062b9
--- /dev/null
+++ b/arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ * Copyright 2020 Garz & Fricke GmbH
+ *
+ * Authors: Fabio Estevam <fabio.estevam@freescale.com>
+ * Clemens Terasa <clemens.terasa@garz-fricke.com>
+ *
+ */
+/dts-v1/;
+#include "../imx6dl.dtsi"
+#include "imx6dl-santino-lt.dtsi"
+
+/ {
+ model = "Santino-LT i.MX6 Dual Lite Board";
+ compatible = "guf,imx6dl-santino-lt", "fsl,imx6dl";
+};
+
diff --git a/arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dtsi b/arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dtsi
new file mode 100644
index 0000000000000..c4085fa53e396
--- /dev/null
+++ b/arch/arm/boot/dts/garzfricke/imx6dl-santino-lt.dtsi
@@ -0,0 +1,264 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ * Copyright 2020 Garz & Fricke GmbH
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ * Clemens Terasa <clemens.terasa@garz-fricke.com>
+ *
+ */
+
+#include <dt-bindings/sound/fsl-imx-audmux.h>
+#include "imx6qdl-san.dtsi"
+
+/ {
+ memory {
+ device_type = "memory";
+ reg = <0x10000000 0x20000000>;
+ };
+
+ aliases {
+ serial0 = &uart5;
+ serial2 = &uart1;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ };
+
+ lcd_display: disp0 {
+ compatible = "fsl,imx-parallel-display";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interface-pix-fmt = "rgb24";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ipu1_lcdif18bpp &pinctrl_ipu1_lcdif24bpp>;
+ status = "okay";
+
+ port@0 {
+ reg = <0>;
+
+ lcd_display_in: endpoint {
+ remote-endpoint = <&ipu1_di0_disp0>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ lcd_display_out: endpoint {
+ remote-endpoint = <&lcd_panel_in>;
+ };
+ };
+ };
+
+ panel: panel {
+ compatible = "guf,panel-dt";
+ backlight = <&backlight>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lcd_enable1>;
+ power-supply = <®_SW4_3V3>;
+
+ enable-gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ port {
+ lcd_panel_in: endpoint {
+ remote-endpoint = <&lcd_display_out>;
+ };
+ };
+ };
+
+ reg_5p0: regulator-5v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "5P0V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ reg_eth_phy: regulator-eth-phy {
+ compatible = "regulator-fixed";
+ regulator-name = "ETH_PHY";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <®_SW4_3V3>;
+ };
+};
+
+&backlight {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_bl_on1>;
+ enable-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
+&can1 {
+ xceiver-supply = <®_5p0>;
+};
+
+&codec {
+ VDDD-supply = <&sw3_reg>;
+};
+
+&gpio6 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_keypad_gpio1>;
+ gpio-line-names = "", "", "", "", "", "", "", "keypad_pin4",
+ "keypad_pin3", "keypad_pin5", "keypad_pin6", "keypad_pin7", "", "", "", "keypad_pin8",
+ "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "";
+};
+
+&i2c1 {
+ pmic: pfuze3000@8 {
+ compatible = "fsl,pfuze3000";
+ reg = <0x08>;
+
+ regulators {
+ sw1a_reg: sw1ab {
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <1875000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <6250>;
+ };
+
+ sw1b_reg: sw1b {
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <1875000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <6250>;
+ };
+
+ reg_SW4_3V3:sw2_reg: sw2 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ sw3_reg: sw3 {
+ /* FNGBoot sets correct voltage, shall not be touched by the OS */
+ compatible = "regulator-fixed";
+ regulator-name = "DDR_1V5 (sw3)";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ swbst_reg: swbst {
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5150000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ snvs_reg: vsnvs {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ vref_reg: vrefddr {
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ v33_reg: v33 {
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vldo2_reg: vldo2 {
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1550000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ };
+ };
+};
+
+&ipu1_di0_disp0 {
+ remote-endpoint = <&lcd_display_in>;
+};
+
+&lm75 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lm75_1>;
+ interrupts = <7 0x4>;
+ interrupt-parent = <&gpio4>;
+ status = "okay";
+};
+
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm1>;
+ status = "okay";
+};
+
+®_usb_otg_vbus {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotgvbus1>;
+ gpio = <&gpio3 22 0>;
+};
+
+&rtc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rtc1>;
+ status = "okay";
+};
+
+&sound {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_audmux3>;
+ status = "okay";
+ cpu_dai: simple-audio-card,cpu {
+ sound-dai = <&ssi1>;
+ };
+};
+
+&ssi1 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1_rxtx &pinctrl_uart1_rcts>;
+ linux,rs485-enabled-at-boot-time;
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2_rxtx>;
+ status = "okay";
+};
+
+&uart5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart5_rxtx &pinctrl_uart5_rcts>;
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&usbotg {
+ vbus-supply = <®_usb_otg_vbus>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotg>;
+ disable-over-current;
+ srp-disable;
+ hnp-disable;
+ adp-disable;
+ status = "okay";
+};
+
+&usdhc2 {
+ disable-wp;
+ status = "okay";
+};
--
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