Merge tag 'u-boot-imx-20200825' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
[platform/kernel/u-boot.git] / arch / arm / dts / imx6qdl-sr-som.dtsi
1 /*
2  * Copyright (C) 2013,2014 Russell King
3  *
4  * This file is dual-licensed: you can use it either under the terms
5  * of the GPL or the X11 license, at your option. Note that this dual
6  * licensing only applies to this file, and not this project as a
7  * whole.
8  *
9  *  a) This file is free software; you can redistribute it and/or
10  *     modify it under the terms of the GNU General Public License
11  *     version 2 as published by the Free Software Foundation.
12  *
13  *     This file is distributed in the hope that it will be useful,
14  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *     GNU General Public License for more details.
17  *
18  * Or, alternatively,
19  *
20  *  b) Permission is hereby granted, free of charge, to any person
21  *     obtaining a copy of this software and associated documentation
22  *     files (the "Software"), to deal in the Software without
23  *     restriction, including without limitation the rights to use,
24  *     copy, modify, merge, publish, distribute, sublicense, and/or
25  *     sell copies of the Software, and to permit persons to whom the
26  *     Software is furnished to do so, subject to the following
27  *     conditions:
28  *
29  *     The above copyright notice and this permission notice shall be
30  *     included in all copies or substantial portions of the Software.
31  *
32  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
34  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
36  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
37  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
38  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
39  *     OTHER DEALINGS IN THE SOFTWARE.
40  */
41 #include <dt-bindings/gpio/gpio.h>
42
43 / {
44         vcc_3v3: regulator-vcc-3v3 {
45                 compatible = "regulator-fixed";
46                 regulator-always-on;
47                 regulator-name = "vcc_3v3";
48                 regulator-min-microvolt = <3300000>;
49                 regulator-max-microvolt = <3300000>;
50         };
51 };
52
53 &fec {
54         pinctrl-names = "default";
55         pinctrl-0 = <&pinctrl_microsom_enet_ar8035>;
56         phy-handle = <&phy>;
57         phy-mode = "rgmii-id";
58         phy-reset-duration = <2>;
59         phy-reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
60         status = "okay";
61
62         mdio {
63                 #address-cells = <1>;
64                 #size-cells = <0>;
65
66                 phy: ethernet-phy@0 {
67                         reg = <0>;
68                         qca,clk-out-frequency = <125000000>;
69                 };
70         };
71 };
72
73 &iomuxc {
74         microsom {
75                 pinctrl_microsom_enet_ar8035: microsom-enet-ar8035 {
76                         fsl,pins = <
77                                 MX6QDL_PAD_ENET_MDIO__ENET_MDIO         0x1b8b0
78                                 MX6QDL_PAD_ENET_MDC__ENET_MDC           0x1b0b0
79                                 /* AR8035 reset */
80                                 MX6QDL_PAD_KEY_ROW4__GPIO4_IO15         0x130b0
81                                 /* AR8035 interrupt */
82                                 MX6QDL_PAD_DI0_PIN2__GPIO4_IO18         0x1b0b0
83                                 /* GPIO16 -> AR8035 25MHz */
84                                 MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0x4001b0b0
85                                 MX6QDL_PAD_RGMII_TXC__RGMII_TXC         0x13030
86                                 MX6QDL_PAD_RGMII_TD0__RGMII_TD0         0x1b030
87                                 MX6QDL_PAD_RGMII_TD1__RGMII_TD1         0x1b030
88                                 MX6QDL_PAD_RGMII_TD2__RGMII_TD2         0x1b030
89                                 MX6QDL_PAD_RGMII_TD3__RGMII_TD3         0x1b030
90                                 MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL   0x1b030
91                                 /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
92                                 MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK    0x0a0b1
93                                 /* AR8035 pin strapping: IO voltage: pull up */
94                                 MX6QDL_PAD_RGMII_RXC__RGMII_RXC         0x1b030
95                                 /* AR8035 pin strapping: PHYADDR#0: pull down */
96                                 MX6QDL_PAD_RGMII_RD0__RGMII_RD0         0x13030
97                                 /* AR8035 pin strapping: PHYADDR#1: pull down */
98                                 MX6QDL_PAD_RGMII_RD1__RGMII_RD1         0x13030
99                                 /* AR8035 pin strapping: MODE#1: pull up */
100                                 MX6QDL_PAD_RGMII_RD2__RGMII_RD2         0x1b030
101                                 /* AR8035 pin strapping: MODE#3: pull up */
102                                 MX6QDL_PAD_RGMII_RD3__RGMII_RD3         0x1b030
103                                 /* AR8035 pin strapping: MODE#0: pull down */
104                                 MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL   0x13030
105
106                                 /*
107                                  * As the RMII pins are also connected to RGMII
108                                  * so that an AR8030 can be placed, set these
109                                  * to high-z with the same pulls as above.
110                                  * Use the GPIO settings to avoid changing the
111                                  * input select registers.
112                                  */
113                                 MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25      0x03000
114                                 MX6QDL_PAD_ENET_RXD0__GPIO1_IO27        0x03000
115                                 MX6QDL_PAD_ENET_RXD1__GPIO1_IO26        0x03000
116                         >;
117                 };
118
119                 pinctrl_microsom_uart1: microsom-uart1 {
120                         fsl,pins = <
121                                 MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA    0x1b0b1
122                                 MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA    0x1b0b1
123                         >;
124                 };
125         };
126 };
127
128 &uart1 {
129         pinctrl-names = "default";
130         pinctrl-0 = <&pinctrl_microsom_uart1>;
131         status = "okay";
132 };