1 /*
2  * SPL/U-Boot mux functions for CompuLab CL-SOM-iMX7 module
3  *
4  * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
5  *
6  * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <common.h>
12 #include <asm/mach-imx/iomux-v3.h>
13 #include <asm/arch-mx7/mx7-pins.h>
14 
15 #define PADS_SET(pads_array)						       \
16 void cl_som_imx7_##pads_array##_set(void)				       \
17 {									       \
18 	imx_iomux_v3_setup_multiple_pads(pads_array, ARRAY_SIZE(pads_array));  \
19 }
20 
21 #ifdef CONFIG_FSL_ESDHC
22 
23 #define USDHC_PAD_CTRL		(PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
24 				PAD_CTL_HYS | PAD_CTL_PUE | \
25 				PAD_CTL_PUS_PU47KOHM)
26 
27 static iomux_v3_cfg_t const usdhc1_pads[] = {
28 	MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
29 	MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
30 	MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
31 	MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
32 	MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
33 	MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
34 
35 	MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
36 };
37 
38 PADS_SET(usdhc1_pads)
39 
40 #endif /* CONFIG_FSL_ESDHC */
41 
42 #define UART_PAD_CTRL		(PAD_CTL_DSE_3P3V_49OHM | \
43 				PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
44 
45 static iomux_v3_cfg_t const uart1_pads[] = {
46 	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
47 	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
48 };
49 
50 PADS_SET(uart1_pads)
51 
52 #ifdef CONFIG_SPI
53 
54 #define SPI_PAD_CTRL	(PAD_CTL_HYS | PAD_CTL_SRE_SLOW | \
55 			PAD_CTL_DSE_3P3V_32OHM)
56 
57 #define GPIO_PAD_CTRL	(PAD_CTL_PUS_PU5KOHM | PAD_CTL_PUE | \
58 			PAD_CTL_SRE_SLOW)
59 
60 static iomux_v3_cfg_t const espi1_pads[] = {
61 	MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
62 	MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
63 	MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
64 	MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 | MUX_PAD_CTRL(GPIO_PAD_CTRL),
65 };
66 
67 PADS_SET(espi1_pads)
68 
69 #endif /* CONFIG_SPI */
70 
71 #ifndef CONFIG_SPL_BUILD
72 
73 #ifdef CONFIG_FSL_ESDHC
74 
75 static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
76 	MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
77 	MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
78 	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
79 	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
80 	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
81 	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
82 	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
83 	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
84 	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
85 	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
86 	MX7D_PAD_SD3_STROBE__SD3_STROBE	 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
87 
88 	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
89 };
90 
91 PADS_SET(usdhc3_emmc_pads)
92 
93 #endif /* CONFIG_FSL_ESDHC */
94 
95 #ifdef CONFIG_FEC_MXC
96 
97 #define ENET_PAD_CTRL		(PAD_CTL_PUS_PD100KOHM | PAD_CTL_DSE_3P3V_49OHM)
98 #define ENET_PAD_CTRL_MII	(PAD_CTL_PUS_PU5KOHM)
99 
100 static iomux_v3_cfg_t const phy1_rst_pads[] = {
101 	/* PHY1 RST */
102 	MX7D_PAD_GPIO1_IO04__GPIO1_IO4	| MUX_PAD_CTRL(GPIO_PAD_CTRL),
103 };
104 
105 PADS_SET(phy1_rst_pads)
106 
107 static iomux_v3_cfg_t const fec1_pads[] = {
108 	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL |
109 	MUX_PAD_CTRL(ENET_PAD_CTRL),
110 	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
111 	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
112 	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
113 	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
114 	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
115 	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL |
116 	MUX_PAD_CTRL(ENET_PAD_CTRL),
117 	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
118 	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
119 	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
120 	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
121 	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
122 	MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
123 	MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
124 };
125 
126 PADS_SET(fec1_pads)
127 
128 #endif /* CONFIG_FEC_MXC */
129 
130 static iomux_v3_cfg_t const usb_otg1_pads[] = {
131 	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
132 };
133 
134 PADS_SET(usb_otg1_pads)
135 
136 static iomux_v3_cfg_t const wdog_pads[] = {
137 	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
138 };
139 
140 PADS_SET(wdog_pads)
141 
142 #endif /* !CONFIG_SPL_BUILD */
143