mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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39e0024f51
AC'97 interface RXD and TXC pins are only used as SoC inputs, let's disable pad drivers for them so we will be protected if, for example, TCLKDIR is set by mistake in AUDMUX and causes TXC pin to be configured as an output. This also changes pull direction on these pins from pull-up to pull-down to match what the board AC'97 CODEC chip (VT1613) has on these pins. Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
288 lines
6.2 KiB
Plaintext
288 lines
6.2 KiB
Plaintext
/*
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* Copyright 2013 Freescale Semiconductor, Inc.
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*
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* Author: Fabio Estevam <fabio.estevam@freescale.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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/ {
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aliases {
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backlight = &backlight;
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panelchan = &panelchan;
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panel7 = &panel7;
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touchscreenp7 = &touchscreenp7;
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};
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chosen {
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stdout-path = &uart2;
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};
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backlight: backlight {
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compatible = "gpio-backlight";
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gpios = <&gpio1 4 0>;
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default-on;
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status = "disabled";
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};
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memory {
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reg = <0x10000000 0x40000000>;
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};
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panel7: panel7 {
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/*
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* in reality it is a -20t (parallel) model,
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* but with LVDS bridge chip attached,
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* so it is equivalent to -19t model in drive
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* characteristics
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*/
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compatible = "urt,umsh-8596md-19t";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_panel>;
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power-supply = <®_panel>;
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backlight = <&backlight>;
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status = "disabled";
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port {
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panel_in: endpoint {
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remote-endpoint = <&lvds0_out>;
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};
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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reg_usb_h1_vbus: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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regulator-name = "usb_h1_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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startup-delay-us = <2>; /* USB2415 requires a POR of 1 us minimum */
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gpio = <&gpio7 12 0>;
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};
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reg_panel: regulator@1 {
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compatible = "regulator-fixed";
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reg = <1>;
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regulator-name = "lcd_panel";
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enable-active-high;
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gpio = <&gpio1 2 0>;
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};
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};
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sound {
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compatible = "fsl,imx6q-udoo-ac97",
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"fsl,imx-audio-ac97";
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model = "fsl,imx6q-udoo-ac97";
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audio-cpu = <&ssi1>;
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audio-routing =
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"RX", "Mic Jack",
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"Headphone Jack", "TX";
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mux-int-port = <1>;
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mux-ext-port = <6>;
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};
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};
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&fec {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_enet>;
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phy-mode = "rgmii";
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status = "okay";
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};
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&hdmi {
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ddc-i2c-bus = <&i2c2>;
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status = "okay";
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};
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&i2c2 {
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clock-frequency = <100000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c2>;
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status = "okay";
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};
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&i2c3 {
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clock-frequency = <100000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c3>;
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status = "okay";
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touchscreenp7: touchscreenp7@55 {
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compatible = "sitronix,st1232";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_touchscreenp7>;
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reg = <0x55>;
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interrupt-parent = <&gpio1>;
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interrupts = <13 8>;
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gpios = <&gpio1 15 0>;
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status = "disabled";
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};
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};
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&iomuxc {
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imx6q-udoo {
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pinctrl_enet: enetgrp {
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fsl,pins = <
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MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030
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MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b030
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MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b030
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MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030
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MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030
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MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b030
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MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b030
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MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b030
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MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b030
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MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b030
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MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b030
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MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b030
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MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0
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MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
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MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
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MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8
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>;
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};
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pinctrl_i2c2: i2c2grp {
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fsl,pins = <
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MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
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MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
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>;
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};
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pinctrl_i2c3: i2c3grp {
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fsl,pins = <
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MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001f8b1
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MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001f8b1
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>;
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};
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pinctrl_panel: panelgrp {
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fsl,pins = <
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MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x70
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MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x70
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>;
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};
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pinctrl_touchscreenp7: touchscreenp7grp {
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fsl,pins = <
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MX6QDL_PAD_SD2_DAT0__GPIO1_IO15 0x70
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MX6QDL_PAD_SD2_DAT2__GPIO1_IO13 0x1b0b0
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>;
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};
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pinctrl_uart2: uart2grp {
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fsl,pins = <
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MX6QDL_PAD_EIM_D26__UART2_TX_DATA 0x1b0b1
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MX6QDL_PAD_EIM_D27__UART2_RX_DATA 0x1b0b1
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>;
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};
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pinctrl_usbh: usbhgrp {
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fsl,pins = <
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MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x80000000
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MX6QDL_PAD_NANDF_CS2__CCM_CLKO2 0x130b0
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>;
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};
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pinctrl_usdhc3: usdhc3grp {
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fsl,pins = <
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MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059
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MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059
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MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059
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MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059
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MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059
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MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
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>;
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};
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pinctrl_ac97_running: ac97running {
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fsl,pins = <
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MX6QDL_PAD_DI0_PIN2__AUD6_TXD 0x1b0b0
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MX6QDL_PAD_DI0_PIN3__AUD6_TXFS 0x1b0b0
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MX6QDL_PAD_DI0_PIN4__AUD6_RXD 0x13080
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MX6QDL_PAD_DI0_PIN15__AUD6_TXC 0x13080
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MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x1b0b0
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>;
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};
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pinctrl_ac97_warm_reset: ac97warmreset {
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fsl,pins = <
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MX6QDL_PAD_DI0_PIN2__AUD6_TXD 0x1b0b0
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MX6QDL_PAD_DI0_PIN3__GPIO4_IO19 0x1b0b0
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MX6QDL_PAD_DI0_PIN4__AUD6_RXD 0x13080
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MX6QDL_PAD_DI0_PIN15__AUD6_TXC 0x13080
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MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x1b0b0
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>;
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};
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pinctrl_ac97_reset: ac97reset {
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fsl,pins = <
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MX6QDL_PAD_DI0_PIN2__GPIO4_IO18 0x1b0b0
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MX6QDL_PAD_DI0_PIN3__GPIO4_IO19 0x1b0b0
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MX6QDL_PAD_DI0_PIN4__AUD6_RXD 0x13080
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MX6QDL_PAD_DI0_PIN15__AUD6_TXC 0x13080
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MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x1b0b0
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>;
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};
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};
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};
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&ldb {
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status = "okay";
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panelchan: lvds-channel@0 {
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port@4 {
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reg = <4>;
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lvds0_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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};
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};
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&uart2 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart2>;
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status = "okay";
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};
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&usbh1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usbh>;
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vbus-supply = <®_usb_h1_vbus>;
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clocks = <&clks IMX6QDL_CLK_CKO>;
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status = "okay";
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};
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&usdhc3 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usdhc3>;
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non-removable;
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status = "okay";
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};
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&audmux {
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status = "okay";
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};
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&ssi1 {
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cell-index = <0>;
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fsl,mode = "ac97-slave";
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pinctrl-names = "ac97-running", "ac97-reset", "ac97-warm-reset";
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pinctrl-0 = <&pinctrl_ac97_running>;
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pinctrl-1 = <&pinctrl_ac97_reset>;
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pinctrl-2 = <&pinctrl_ac97_warm_reset>;
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ac97-gpios = <&gpio4 19 0 &gpio4 18 0 &gpio2 30 0>;
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status = "okay";
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};
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