1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * SPL/U-Boot mux functions for CompuLab CL-SOM-iMX7 module
4  *
5  * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
6  *
7  * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
8  */
9 
10 #include <common.h>
11 #include <asm/mach-imx/iomux-v3.h>
12 #include <asm/arch-mx7/mx7-pins.h>
13 
14 #define PADS_SET(pads_array)						       \
15 void cl_som_imx7_##pads_array##_set(void)				       \
16 {									       \
17 	imx_iomux_v3_setup_multiple_pads(pads_array, ARRAY_SIZE(pads_array));  \
18 }
19 
20 #ifdef CONFIG_FSL_ESDHC
21 
22 #define USDHC_PAD_CTRL		(PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
23 				PAD_CTL_HYS | PAD_CTL_PUE | \
24 				PAD_CTL_PUS_PU47KOHM)
25 
26 static iomux_v3_cfg_t const usdhc1_pads[] = {
27 	MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
28 	MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
29 	MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
30 	MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
31 	MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
32 	MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
33 
34 	MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
35 };
36 
37 PADS_SET(usdhc1_pads)
38 
39 #endif /* CONFIG_FSL_ESDHC */
40 
41 #define UART_PAD_CTRL		(PAD_CTL_DSE_3P3V_49OHM | \
42 				PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
43 
44 static iomux_v3_cfg_t const uart1_pads[] = {
45 	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
46 	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
47 };
48 
49 PADS_SET(uart1_pads)
50 
51 #ifdef CONFIG_SPI
52 
53 #define SPI_PAD_CTRL	(PAD_CTL_HYS | PAD_CTL_SRE_SLOW | \
54 			PAD_CTL_DSE_3P3V_32OHM)
55 
56 #define GPIO_PAD_CTRL	(PAD_CTL_PUS_PU5KOHM | PAD_CTL_PUE | \
57 			PAD_CTL_SRE_SLOW)
58 
59 static iomux_v3_cfg_t const espi1_pads[] = {
60 	MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
61 	MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
62 	MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
63 	MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 | MUX_PAD_CTRL(GPIO_PAD_CTRL),
64 };
65 
66 PADS_SET(espi1_pads)
67 
68 #endif /* CONFIG_SPI */
69 
70 #ifndef CONFIG_SPL_BUILD
71 
72 #ifdef CONFIG_FSL_ESDHC
73 
74 static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
75 	MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
76 	MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
77 	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
78 	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
79 	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
80 	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
81 	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
82 	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
83 	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
84 	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
85 	MX7D_PAD_SD3_STROBE__SD3_STROBE	 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
86 
87 	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
88 };
89 
90 PADS_SET(usdhc3_emmc_pads)
91 
92 #endif /* CONFIG_FSL_ESDHC */
93 
94 #ifdef CONFIG_FEC_MXC
95 
96 #define ENET_PAD_CTRL		(PAD_CTL_PUS_PD100KOHM | PAD_CTL_DSE_3P3V_49OHM)
97 #define ENET_PAD_CTRL_MII	(PAD_CTL_PUS_PU5KOHM)
98 
99 static iomux_v3_cfg_t const phy1_rst_pads[] = {
100 	/* PHY1 RST */
101 	MX7D_PAD_GPIO1_IO04__GPIO1_IO4	| MUX_PAD_CTRL(GPIO_PAD_CTRL),
102 };
103 
104 PADS_SET(phy1_rst_pads)
105 
106 static iomux_v3_cfg_t const fec1_pads[] = {
107 	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL |
108 	MUX_PAD_CTRL(ENET_PAD_CTRL),
109 	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
110 	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
111 	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
112 	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
113 	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
114 	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL |
115 	MUX_PAD_CTRL(ENET_PAD_CTRL),
116 	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
117 	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
118 	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
119 	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
120 	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
121 	MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
122 	MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
123 };
124 
125 PADS_SET(fec1_pads)
126 
127 #endif /* CONFIG_FEC_MXC */
128 
129 static iomux_v3_cfg_t const usb_otg1_pads[] = {
130 	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
131 };
132 
133 PADS_SET(usb_otg1_pads)
134 
135 static iomux_v3_cfg_t const wdog_pads[] = {
136 	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
137 };
138 
139 PADS_SET(wdog_pads)
140 
141 #endif /* !CONFIG_SPL_BUILD */
142