c3b9ab5db1
The Wifi chip should be clocked by a 32kHz clock coming from i.MX7D
CLKO2 output pin, so describe the pinmux and clock hierarchy in the
device tree to allow the Wifi chip to be properly clocked.
Managed to successfully test Wifi with such change. Used the standard
nvram.txt file provided by TechNexion, which selects an external 32kHz
clock for the Wifi chip by default.
Fixes: 99a52450c7 ("ARM: dts: imx7d-pico: Add Wifi support")
Suggested-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Tested-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
330 lines
8.5 KiB
Plaintext
330 lines
8.5 KiB
Plaintext
/*
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* Copyright 2017 NXP
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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 "imx7d.dtsi"
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/ {
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model = "Technexion Pico i.MX7D Board";
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compatible = "technexion,imx7d-pico", "fsl,imx7d";
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memory@80000000 {
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reg = <0x80000000 0x80000000>;
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};
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reg_ap6212: regulator-ap6212 {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_reg_ap6212>;
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regulator-name = "AP6212";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio4 16 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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reg_2p5v: regulator-2p5v {
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compatible = "regulator-fixed";
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regulator-name = "2P5V";
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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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reg_3p3v: regulator-3p3v {
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compatible = "regulator-fixed";
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regulator-name = "3P3V";
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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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reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
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compatible = "regulator-fixed";
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regulator-name = "usb_otg1_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio4 5 GPIO_ACTIVE_LOW>;
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};
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reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
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compatible = "regulator-fixed";
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regulator-name = "usb_otg2_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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reg_vref_1v8: regulator-vref-1v8 {
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compatible = "regulator-fixed";
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regulator-name = "vref-1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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usdhc2_pwrseq: usdhc2_pwrseq {
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compatible = "mmc-pwrseq-simple";
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clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
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clock-names = "ext_clock";
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};
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};
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&clks {
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assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
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<&clks IMX7D_CLKO2_ROOT_DIV>;
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assigned-clock-parents = <&clks IMX7D_CKIL>;
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assigned-clock-rates = <0>, <32768>;
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};
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&i2c4 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c4>;
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status = "okay";
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pmic: pfuze3000@8 {
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compatible = "fsl,pfuze3000";
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reg = <0x08>;
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regulators {
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sw1a_reg: sw1a {
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <6250>;
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};
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/* use sw1c_reg to align with pfuze100/pfuze200 */
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sw1c_reg: sw1b {
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <1475000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <6250>;
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};
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sw2_reg: sw2 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1850000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw3a_reg: sw3 {
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1650000>;
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regulator-boot-on;
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regulator-always-on;
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};
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swbst_reg: swbst {
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5150000>;
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};
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snvs_reg: vsnvs {
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3000000>;
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regulator-boot-on;
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regulator-always-on;
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};
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vref_reg: vrefddr {
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regulator-boot-on;
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regulator-always-on;
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};
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vgen1_reg: vldo1 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen2_reg: vldo2 {
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1550000>;
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};
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vgen3_reg: vccsd {
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regulator-min-microvolt = <2850000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen4_reg: v33 {
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regulator-min-microvolt = <2850000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen5_reg: vldo3 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen6_reg: vldo4 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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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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&usdhc2 { /* Wifi SDIO */
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usdhc2 &pinctrl_wifi_clk>;
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no-1-8-v;
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non-removable;
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keep-power-in-suspend;
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wakeup-source;
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vmmc-supply = <®_ap6212>;
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mmc-pwrseq = <&usdhc2_pwrseq>;
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status = "okay";
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};
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&usdhc3 {
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pinctrl-names = "default", "state_100mhz", "state_200mhz";
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pinctrl-0 = <&pinctrl_usdhc3>;
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pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
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pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
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assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
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assigned-clock-rates = <400000000>;
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bus-width = <8>;
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no-1-8-v;
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fsl,tuning-step = <2>;
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non-removable;
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status = "okay";
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};
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&wdog1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_wdog>;
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fsl,ext-reset-output;
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status = "okay";
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};
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&iomuxc {
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pinctrl_i2c4: i2c4grp {
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fsl,pins = <
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MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA 0x4000007f
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MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL 0x4000007f
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>;
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};
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pinctrl_reg_ap6212: regap6212grp {
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fsl,pins = <
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MX7D_PAD_ECSPI1_SCLK__GPIO4_IO16 0x59
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>;
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};
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pinctrl_usdhc2: usdhc2grp {
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fsl,pins = <
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MX7D_PAD_SD2_CMD__SD2_CMD 0x59
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MX7D_PAD_SD2_CLK__SD2_CLK 0x19
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MX7D_PAD_SD2_DATA0__SD2_DATA0 0x59
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MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59
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MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59
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MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59
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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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MX7D_PAD_SD3_CMD__SD3_CMD 0x59
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MX7D_PAD_SD3_CLK__SD3_CLK 0x19
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MX7D_PAD_SD3_DATA0__SD3_DATA0 0x59
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MX7D_PAD_SD3_DATA1__SD3_DATA1 0x59
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MX7D_PAD_SD3_DATA2__SD3_DATA2 0x59
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MX7D_PAD_SD3_DATA3__SD3_DATA3 0x59
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MX7D_PAD_SD3_DATA4__SD3_DATA4 0x59
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MX7D_PAD_SD3_DATA5__SD3_DATA5 0x59
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MX7D_PAD_SD3_DATA6__SD3_DATA6 0x59
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MX7D_PAD_SD3_DATA7__SD3_DATA7 0x59
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>;
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};
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pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
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fsl,pins = <
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MX7D_PAD_SD3_CMD__SD3_CMD 0x5a
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MX7D_PAD_SD3_CLK__SD3_CLK 0x1a
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MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5a
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MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5a
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MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5a
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MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5a
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MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5a
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MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5a
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MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5a
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MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5a
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>;
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};
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pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
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fsl,pins = <
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MX7D_PAD_SD3_CMD__SD3_CMD 0x5b
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MX7D_PAD_SD3_CLK__SD3_CLK 0x1b
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MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5b
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MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5b
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MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5b
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MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5b
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MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5b
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MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5b
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MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5b
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MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5b
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>;
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};
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};
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&iomuxc_lpsr {
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pinctrl_wifi_clk: wificlkgrp {
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fsl,pins = <
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MX7D_PAD_LPSR_GPIO1_IO03__CCM_CLKO2 0x7d
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>;
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};
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pinctrl_wdog: wdoggrp {
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fsl,pins = <
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MX7D_PAD_LPSR_GPIO1_IO00__WDOG1_WDOG_B 0x74
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>;
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};
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};
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