0f55335824
Enable sdcard UHS modes, up to SDR50, on p20x based boards. While the s905 supports SDR104 mode, it appears that the PCB of p20x based boards can't cope with a rate as high as 200Mhz. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
285 lines
6.4 KiB
Plaintext
285 lines
6.4 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: Kevin Hilman <khilman@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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#include "meson-gxbb.dtsi"
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/ {
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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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usb_pwr: regulator-usb-pwrs {
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compatible = "regulator-fixed";
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regulator-name = "USB_PWR";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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/* signal name in schematic: USB_PWR_EN */
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gpio = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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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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regulator-settling-time-up-us = <10000>;
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regulator-settling-time-down-us = <150000>;
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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: 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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&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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&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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&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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brcmf: wifi@1 {
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reg = <1>;
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compatible = "brcm,bcm4329-fmac";
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};
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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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sd-uhs-sdr12;
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sd-uhs-sdr25;
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sd-uhs-sdr50;
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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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/* This UART is brought out to the DB9 connector */
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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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&usb0_phy {
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status = "okay";
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phy-supply = <&usb_pwr>;
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};
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&usb1_phy {
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status = "okay";
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};
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&usb0 {
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status = "okay";
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};
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&usb1 {
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status = "okay";
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};
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