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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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863c1ca73f
As the SDHCI controller needs the 1.8V line to be always enabled for some eMMC configurations, set the proper "regulator-always-on" property to the board DTS files. Note that the sdhci classical regulator definitions doesn't suit our controller for this 1.8V purpose. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
351 lines
8.7 KiB
Plaintext
351 lines
8.7 KiB
Plaintext
/*
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* at91-sama5d2_xplained.dts - Device Tree file for SAMA5D2 Xplained board
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*
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* Copyright (C) 2015 Atmel,
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* 2015 Nicolas Ferre <nicolas.ferre@atmel.com>
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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 file 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 file 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 "sama5d2.dtsi"
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#include "sama5d2-pinfunc.h"
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#include <dt-bindings/mfd/atmel-flexcom.h>
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/ {
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model = "Atmel SAMA5D2 Xplained";
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compatible = "atmel,sama5d2-xplained", "atmel,sama5d2", "atmel,sama5";
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory {
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reg = <0x20000000 0x80000>;
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};
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clocks {
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slow_xtal {
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clock-frequency = <32768>;
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};
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main_xtal {
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clock-frequency = <12000000>;
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};
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};
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ahb {
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usb0: gadget@00300000 {
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status = "okay";
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};
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usb1: ohci@00400000 {
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num-ports = <3>;
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status = "okay";
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};
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usb2: ehci@00500000 {
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status = "okay";
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};
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sdmmc0: sdio-host@a0000000 {
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bus-width = <8>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdmmc0_default>;
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non-removable;
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mmc-ddr-1_8v;
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status = "okay";
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};
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sdmmc1: sdio-host@b0000000 {
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bus-width = <4>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdmmc1_default>;
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status = "okay"; /* conflict with qspi0 */
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};
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apb {
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spi0: spi@f8000000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_spi0_default>;
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status = "okay";
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m25p80@0 {
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compatible = "atmel,at25df321a";
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reg = <0>;
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spi-max-frequency = <50000000>;
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};
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};
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macb0: ethernet@f8008000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_macb0_default>;
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phy-mode = "rmii";
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status = "okay";
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};
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uart1: serial@f8020000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart1_default>;
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status = "okay";
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};
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i2c0: i2c@f8028000 {
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dmas = <0>, <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c0_default>;
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status = "okay";
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pmic: act8865@5b {
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compatible = "active-semi,act8865";
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reg = <0x5b>;
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active-semi,vsel-high;
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status = "okay";
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regulators {
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vdd_1v35_reg: DCDC_REG1 {
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regulator-name = "VDD_1V35";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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};
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vdd_1v2_reg: DCDC_REG2 {
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regulator-name = "VDD_1V2";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1300000>;
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regulator-always-on;
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};
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vdd_3v3_reg: DCDC_REG3 {
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regulator-name = "VDD_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vdd_fuse_reg: LDO_REG1 {
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regulator-name = "VDD_FUSE";
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <2500000>;
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regulator-always-on;
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};
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vdd_3v3_lp_reg: LDO_REG2 {
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regulator-name = "VDD_3V3_LP";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vdd_led_reg: LDO_REG3 {
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regulator-name = "VDD_LED";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vdd_sdhc_1v8_reg: LDO_REG4 {
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regulator-name = "VDD_SDHC_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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};
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};
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};
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flx0: flexcom@f8034000 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
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status = "disabled"; /* conflict with ISC_D2 & ISC_D3 data pins */
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uart5: serial@200 {
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compatible = "atmel,at91sam9260-usart";
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reg = <0x200 0x200>;
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interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
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clocks = <&flx0_clk>;
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clock-names = "usart";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx0_default>;
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atmel,fifo-size = <32>;
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status = "okay";
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};
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};
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uart3: serial@fc008000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart3_default>;
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status = "okay";
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};
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flx4: flexcom@fc018000 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
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status = "okay";
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i2c2: i2c@600 {
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compatible = "atmel,sama5d2-i2c";
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reg = <0x600 0x200>;
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interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
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dmas = <0>, <0>;
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dma-names = "tx", "rx";
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#address-cells = <1>;
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#size-cells = <0>;
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clocks = <&flx4_clk>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx4_default>;
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atmel,fifo-size = <16>;
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status = "okay";
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};
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};
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i2c1: i2c@fc028000 {
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dmas = <0>, <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c1_default>;
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status = "okay";
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at24@54 {
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compatible = "atmel,24c02";
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reg = <0x54>;
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pagesize = <16>;
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};
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};
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pinctrl@fc038000 {
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pinctrl_flx0_default: flx0_default {
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pinmux = <PIN_PB28__FLEXCOM0_IO0>,
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<PIN_PB29__FLEXCOM0_IO1>;
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bias-disable;
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};
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pinctrl_flx4_default: flx4_default {
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pinmux = <PIN_PD12__FLEXCOM4_IO0>,
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<PIN_PD13__FLEXCOM4_IO1>;
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bias-disable;
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};
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pinctrl_i2c0_default: i2c0_default {
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pinmux = <PIN_PD21__TWD0>,
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<PIN_PD22__TWCK0>;
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bias-disable;
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};
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pinctrl_i2c1_default: i2c1_default {
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pinmux = <PIN_PD4__TWD1>,
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<PIN_PD5__TWCK1>;
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bias-disable;
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};
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pinctrl_macb0_default: macb0_default {
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pinmux = <PIN_PB14__GTXCK>,
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<PIN_PB15__GTXEN>,
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<PIN_PB16__GRXDV>,
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<PIN_PB17__GRXER>,
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<PIN_PB18__GRX0>,
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<PIN_PB19__GRX1>,
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<PIN_PB20__GTX0>,
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<PIN_PB21__GTX1>,
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<PIN_PB22__GMDC>,
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<PIN_PB23__GMDIO>;
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bias-disable;
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};
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pinctrl_sdmmc0_default: sdmmc0_default {
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cmd_data {
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pinmux = <PIN_PA1__SDMMC0_CMD>,
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<PIN_PA2__SDMMC0_DAT0>,
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<PIN_PA3__SDMMC0_DAT1>,
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<PIN_PA4__SDMMC0_DAT2>,
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<PIN_PA5__SDMMC0_DAT3>,
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<PIN_PA6__SDMMC0_DAT4>,
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<PIN_PA7__SDMMC0_DAT5>,
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<PIN_PA8__SDMMC0_DAT6>,
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<PIN_PA9__SDMMC0_DAT7>;
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bias-pull-up;
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};
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ck_cd_rstn_vddsel {
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pinmux = <PIN_PA0__SDMMC0_CK>,
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<PIN_PA10__SDMMC0_RSTN>,
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<PIN_PA11__SDMMC0_VDDSEL>,
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<PIN_PA13__SDMMC0_CD>;
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bias-disable;
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};
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};
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pinctrl_sdmmc1_default: sdmmc1_default {
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cmd_data {
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pinmux = <PIN_PA28__SDMMC1_CMD>,
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<PIN_PA18__SDMMC1_DAT0>,
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<PIN_PA19__SDMMC1_DAT1>,
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<PIN_PA20__SDMMC1_DAT2>,
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<PIN_PA21__SDMMC1_DAT3>;
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bias-pull-up;
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};
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conf-ck_cd {
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pinmux = <PIN_PA22__SDMMC1_CK>,
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<PIN_PA30__SDMMC1_CD>;
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bias-disable;
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};
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};
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pinctrl_spi0_default: spi0_default {
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pinmux = <PIN_PA14__SPI0_SPCK>,
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<PIN_PA15__SPI0_MOSI>,
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<PIN_PA16__SPI0_MISO>,
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<PIN_PA17__SPI0_NPCS0>;
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bias-disable;
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};
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pinctrl_uart1_default: uart1_default {
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pinmux = <PIN_PD2__URXD1>,
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<PIN_PD3__UTXD1>;
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bias-disable;
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};
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pinctrl_uart3_default: uart3_default {
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pinmux = <PIN_PB11__URXD3>,
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<PIN_PB12__UTXD3>;
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bias-disable;
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};
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};
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};
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};
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};
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