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 clk_brcm: brcm-clock {
44 compatible = "gpio-gate-clock";
45 #clock-cells = <0>;
46 pinctrl-names = "default";
47 pinctrl-0 = <&pinctrl_microsom_brcm_osc>;
48 enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
49 };
50
51 reg_brcm: brcm-reg {
52 compatible = "regulator-fixed";
53 enable-active-high;
54 gpio = <&gpio3 19 0>;
55 pinctrl-names = "default";
56 pinctrl-0 = <&pinctrl_microsom_brcm_reg>;
57 regulator-name = "brcm_reg";
58 regulator-min-microvolt = <3300000>;
59 regulator-max-microvolt = <3300000>;
60 startup-delay-us = <200000>;
61 };
62
63 usdhc1_pwrseq: usdhc1_pwrseq {
64 compatible = "mmc-pwrseq-simple";
65 reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>,
66 <&gpio6 0 GPIO_ACTIVE_LOW>;
67 clocks = <&clk_brcm>;
68 clock-names = "ext_clock";
69 };
70 };
71
72 &iomuxc {
73 microsom {
74 pinctrl_microsom_brcm_bt: microsom-brcm-bt {
75 fsl,pins = <
76 MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070
77 MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01 0x40013070
78 MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070
79 >;
80 };
81
82 pinctrl_microsom_brcm_osc: microsom-brcm-osc {
83 fsl,pins = <
84 MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070
85 >;
86 };
87
88 pinctrl_microsom_brcm_reg: microsom-brcm-reg {
89 fsl,pins = <
90 MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x40013070
91 >;
92 };
93
94 pinctrl_microsom_brcm_wifi: microsom-brcm-wifi {
95 fsl,pins = <
96 MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0
97 MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20 0x40013070
98 MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070
99 MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x40013070
100 >;
101 };
102
103 pinctrl_microsom_uart4: microsom-uart4 {
104 fsl,pins = <
105 MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
106 MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
107 MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
108 MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
109 >;
110 };
111
112 pinctrl_microsom_usdhc1: microsom-usdhc1 {
113 fsl,pins = <
114 MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
115 MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059
116 MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
117 MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
118 MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
119 MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
120 >;
121 };
122 };
123 };
124
125 /* UART4 - Connected to optional BRCM Wifi/BT/FM */
126 &uart4 {
127 pinctrl-names = "default";
128 pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>;
129 uart-has-rtscts;
130 status = "okay";
131 };
132
133 /* USDHC1 - Connected to optional BRCM Wifi/BT/FM */
134 &usdhc1 {
135 pinctrl-names = "default";
136 pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>;
137 bus-width = <4>;
138 mmc-pwrseq = <&usdhc1_pwrseq>;
139 keep-power-in-suspend;
140 no-1-8-v;
141 non-removable;
142 vmmc-supply = <®_brcm>;
143 status = "okay";
144 };
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