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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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67e7607fcd
Add the pinctrl to switch mmc clk pins in gpio (pulled down) mode. This is necessary to be able to gate the clk outside of the SoC while keeping it running in the controller Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
297 lines
6.7 KiB
Plaintext
297 lines
6.7 KiB
Plaintext
/*
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* Copyright (c) 2016 Andreas Färber
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* Copyright (c) 2016 BayLibre, Inc.
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* Author: Neil Armstrong <narmstrong@kernel.org>
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/dts-v1/;
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#include "meson-gxbb.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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/ {
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compatible = "nexbox,a95x", "amlogic,meson-gxbb";
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model = "NEXBOX A95X";
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aliases {
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serial0 = &uart_AO;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x40000000>;
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};
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leds {
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compatible = "gpio-leds";
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blue {
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label = "a95x:system-status";
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gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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default-state = "off";
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};
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};
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gpio-keys-polled {
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compatible = "gpio-keys-polled";
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#address-cells = <1>;
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#size-cells = <0>;
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poll-interval = <100>;
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button@0 {
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label = "reset";
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linux,code = <KEY_RESTART>;
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gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
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};
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};
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vddio_card: gpio-regulator {
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compatible = "regulator-gpio";
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regulator-name = "VDDIO_CARD";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
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gpios-states = <1>;
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/* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
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states = <1800000 0
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3300000 1>;
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};
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vddio_boot: regulator-vddio_boot {
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compatible = "regulator-fixed";
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regulator-name = "VDDIO_BOOT";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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vddao_3v3: regulator-vddao_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VDDAO_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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vcc_3v3: regulator-vcc_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VCC_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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emmc_pwrseq: emmc-pwrseq {
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compatible = "mmc-pwrseq-emmc";
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reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
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};
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wifi32k: wifi32k {
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compatible = "pwm-clock";
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#clock-cells = <0>;
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clock-frequency = <32768>;
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pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
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};
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sdio_pwrseq: sdio-pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
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clocks = <&wifi32k>;
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clock-names = "ext_clock";
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};
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cvbs-connector {
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compatible = "composite-video-connector";
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port {
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cvbs_connector_in: endpoint {
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remote-endpoint = <&cvbs_vdac_out>;
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};
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};
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};
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hdmi-connector {
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compatible = "hdmi-connector";
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type = "a";
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port {
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hdmi_connector_in: endpoint {
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remote-endpoint = <&hdmi_tx_tmds_out>;
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};
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};
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};
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};
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&cvbs_vdac_port {
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cvbs_vdac_out: endpoint {
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remote-endpoint = <&cvbs_connector_in>;
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};
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};
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&cec_AO {
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status = "okay";
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pinctrl-0 = <&ao_cec_pins>;
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pinctrl-names = "default";
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hdmi-phandle = <&hdmi_tx>;
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};
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ðmac {
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status = "okay";
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pinctrl-0 = <ð_rmii_pins>;
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pinctrl-names = "default";
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phy-handle = <ð_phy0>;
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phy-mode = "rmii";
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snps,reset-gpio = <&gpio GPIOZ_14 0>;
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snps,reset-delays-us = <0 10000 1000000>;
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snps,reset-active-low;
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mdio {
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compatible = "snps,dwmac-mdio";
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#address-cells = <1>;
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#size-cells = <0>;
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eth_phy0: ethernet-phy@0 {
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/* IC Plus IP101GR (0x02430c54) */
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reg = <0>;
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};
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};
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};
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&hdmi_tx {
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status = "okay";
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pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
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pinctrl-names = "default";
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};
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&hdmi_tx_tmds_port {
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hdmi_tx_tmds_out: endpoint {
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remote-endpoint = <&hdmi_connector_in>;
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};
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};
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&ir {
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status = "okay";
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pinctrl-0 = <&remote_input_ao_pins>;
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pinctrl-names = "default";
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};
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&pwm_ef {
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status = "okay";
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pinctrl-0 = <&pwm_e_pins>;
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pinctrl-names = "default";
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clocks = <&clkc CLKID_FCLK_DIV4>;
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clock-names = "clkin0";
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};
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/* Wireless SDIO Module */
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&sd_emmc_a {
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status = "okay";
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pinctrl-0 = <&sdio_pins>;
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pinctrl-1 = <&sdio_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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#address-cells = <1>;
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#size-cells = <0>;
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <100000000>;
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non-removable;
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disable-wp;
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mmc-pwrseq = <&sdio_pwrseq>;
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vmmc-supply = <&vddao_3v3>;
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vqmmc-supply = <&vddio_boot>;
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};
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/* SD card */
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&sd_emmc_b {
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status = "okay";
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pinctrl-0 = <&sdcard_pins>;
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pinctrl-1 = <&sdcard_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <100000000>;
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disable-wp;
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cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
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cd-inverted;
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vmmc-supply = <&vddao_3v3>;
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vqmmc-supply = <&vddio_card>;
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};
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/* eMMC */
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&sd_emmc_c {
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status = "okay";
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pinctrl-0 = <&emmc_pins>;
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pinctrl-1 = <&emmc_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <8>;
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cap-mmc-highspeed;
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max-frequency = <200000000>;
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non-removable;
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disable-wp;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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mmc-pwrseq = <&emmc_pwrseq>;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&vddio_boot>;
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};
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&uart_AO {
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status = "okay";
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pinctrl-0 = <&uart_ao_a_pins>;
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pinctrl-names = "default";
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};
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