xref: /openbmc/u-boot/board/BuR/brppt1/mux.c (revision 87a62bce)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * mux.c
4  *
5  * Pinmux Setting for B&R BRPPT1 Board(s)
6  *
7  * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
8  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
9  */
10 
11 #include <common.h>
12 #include <asm/arch/sys_proto.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/arch/mux.h>
15 #include <asm/io.h>
16 #include <i2c.h>
17 
18 static struct module_pin_mux uart0_pin_mux[] = {
19 	/* UART0_RTS */
20 	{OFFSET(uart0_rtsn), (MODE(0) | PULLUDEN)},
21 	/* UART0_CTS */
22 	{OFFSET(uart0_ctsn), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)},
23 	/* UART0_RXD */
24 	{OFFSET(uart0_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)},
25 	/* UART0_TXD */
26 	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},
27 	{-1},
28 };
29 static struct module_pin_mux uart1_pin_mux[] = {
30 	/* UART1_RTS as I2C2-SCL */
31 	{OFFSET(uart1_rtsn), (MODE(3) | PULLUDEN | PULLUP_EN | RXACTIVE)},
32 	/* UART1_CTS as I2C2-SDA */
33 	{OFFSET(uart1_ctsn), (MODE(3) | PULLUDEN | PULLUP_EN | RXACTIVE)},
34 	/* UART1_RXD */
35 	{OFFSET(uart1_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)},
36 	/* UART1_TXD */
37 	{OFFSET(uart1_txd), (MODE(0) | PULLUDEN)},
38 	{-1},
39 };
40 #ifdef CONFIG_MMC
41 static struct module_pin_mux mmc1_pin_mux[] = {
42 	{OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT7 */
43 	{OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT6 */
44 	{OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT5 */
45 	{OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT4 */
46 
47 	{OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT3 */
48 	{OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT2 */
49 	{OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT1 */
50 	{OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT0 */
51 	{OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* MMC1_CLK */
52 	{OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* MMC1_CMD */
53 	{OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUP_EN)},	/* MMC1_WP */
54 	{OFFSET(gpmc_advn_ale), (MODE(7) | RXACTIVE | PULLUP_EN)},/* MMC1_CD */
55 	{-1},
56 };
57 #endif
58 static struct module_pin_mux i2c0_pin_mux[] = {
59 	/* I2C_DATA */
60 	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
61 	/* I2C_SCLK */
62 	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
63 	{-1},
64 };
65 
66 static struct module_pin_mux spi0_pin_mux[] = {
67 	/* SPI0_SCLK */
68 	{OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)},
69 	/* SPI0_D0 */
70 	{OFFSET(spi0_d0), (MODE(0) | RXACTIVE |	PULLUDEN | PULLUP_EN)},
71 	/* SPI0_D1 */
72 	{OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)},
73 	/* SPI0_CS0 */
74 	{OFFSET(spi0_cs0), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)},
75 	{-1},
76 };
77 
78 static struct module_pin_mux mii1_pin_mux[] = {
79 	{OFFSET(mii1_crs), MODE(0) | RXACTIVE},		/* MII1_CRS */
80 	{OFFSET(mii1_col), MODE(0) | RXACTIVE},		/* MII1_COL */
81 	{OFFSET(mii1_rxerr), MODE(0) | RXACTIVE},	/* MII1_RXERR */
82 	{OFFSET(mii1_txen), MODE(0)},			/* MII1_TXEN */
83 	{OFFSET(mii1_rxdv), MODE(0) | RXACTIVE},	/* MII1_RXDV */
84 	{OFFSET(mii1_txd3), MODE(0)},			/* MII1_TXD3 */
85 	{OFFSET(mii1_txd2), MODE(0)},			/* MII1_TXD2 */
86 	{OFFSET(mii1_txd1), MODE(0)},			/* MII1_TXD1 */
87 	{OFFSET(mii1_txd0), MODE(0)},			/* MII1_TXD0 */
88 	{OFFSET(mii1_txclk), MODE(0) | RXACTIVE},	/* MII1_TXCLK */
89 	{OFFSET(mii1_rxclk), MODE(0) | RXACTIVE},	/* MII1_RXCLK */
90 	{OFFSET(mii1_rxd3), MODE(0) | RXACTIVE},	/* MII1_RXD3 */
91 	{OFFSET(mii1_rxd2), MODE(0) | RXACTIVE},	/* MII1_RXD2 */
92 	{OFFSET(mii1_rxd1), MODE(0) | RXACTIVE},	/* MII1_RXD1 */
93 	{OFFSET(mii1_rxd0), MODE(0) | RXACTIVE},	/* MII1_RXD0 */
94 	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
95 	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
96 	{-1},
97 };
98 
99 static struct module_pin_mux mii2_pin_mux[] = {
100 	{OFFSET(gpmc_a0), MODE(1)},		/* MII2_TXEN */
101 	{OFFSET(gpmc_a1), MODE(1) | RXACTIVE},	/* MII2_RXDV */
102 	{OFFSET(gpmc_a2), MODE(1)},		/* MII2_TXD3 */
103 	{OFFSET(gpmc_a3), MODE(1)},		/* MII2_TXD2 */
104 	{OFFSET(gpmc_a4), MODE(1)},		/* MII2_TXD1 */
105 	{OFFSET(gpmc_a5), MODE(1)},		/* MII2_TXD0 */
106 	{OFFSET(gpmc_a6), MODE(1) | RXACTIVE},	/* MII2_TXCLK */
107 	{OFFSET(gpmc_a7), MODE(1) | RXACTIVE},	/* MII2_RXCLK */
108 	{OFFSET(gpmc_a8), MODE(1) | RXACTIVE},	/* MII2_RXD3 */
109 	{OFFSET(gpmc_a9), MODE(1) | RXACTIVE},	/* MII2_RXD2 */
110 	{OFFSET(gpmc_a10), MODE(1) | RXACTIVE},	/* MII2_RXD1 */
111 	{OFFSET(gpmc_a11), MODE(1) | RXACTIVE},	/* MII2_RXD0 */
112 	{OFFSET(gpmc_wpn), (MODE(1) | RXACTIVE)},/* MII2_RXERR */
113 	{OFFSET(gpmc_wait0), (MODE(1) | RXACTIVE | PULLUP_EN)},
114 						/*
115 						 * MII2_CRS is shared with
116 						 * NAND_WAIT0
117 						 */
118 	{OFFSET(gpmc_be1n), (MODE(1) | RXACTIVE)},/* MII1_COL */
119 	{-1},
120 };
121 #ifdef CONFIG_NAND
122 static struct module_pin_mux nand_pin_mux[] = {
123 	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
124 	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
125 	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
126 	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
127 	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
128 	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
129 	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
130 	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
131 	{OFFSET(gpmc_clk), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* NAND WAIT */
132 	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
133 	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},	/* NAND_CS0 */
134 	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)},	/* NAND_ADV_ALE */
135 	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
136 	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
137 	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
138 	{-1},
139 };
140 #endif
141 static struct module_pin_mux gpIOs[] = {
142 	/* GPIO0_6  (SPI0_CS1) - 3v3_PWR_nEN (Display Power Supply) */
143 	{OFFSET(spi0_cs1),  (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
144 	/* TIMER5   (MMC0_DAT3) - TIMER5 (Buzzer) */
145 	{OFFSET(mmc0_dat3), (MODE(3) | PULLUDEN | RXACTIVE)},
146 	/* TIMER6   (MMC0_DAT2) - PWM_BACK_3V3 */
147 	{OFFSET(mmc0_dat2), (MODE(3) | PULLUDEN | RXACTIVE)},
148 	/* GPIO2_28 (MMC0_DAT1)	 - MII_nNAND */
149 	{OFFSET(mmc0_dat1), (MODE(7) | PULLUDEN | RXACTIVE)},
150 	/* GPIO2_29 (MMC0_DAT0)	 - NAND_1n0 */
151 	{OFFSET(mmc0_dat0), (MODE(7) | PULLUDEN | RXACTIVE)},
152 	/* GPIO2_30 (MMC0_CLK) - nRESET (PHY) */
153 	{OFFSET(mmc0_clk), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
154 	/* GPIO3_18 (MCASP0_ACLKR) - CPLD JTAG TDI */
155 	{OFFSET(mcasp0_aclkr), (MODE(7) | PULLUDEN | PULLUP_EN  | RXACTIVE)},
156 	/* GPIO3_19 (MCASP0_FSR) - CPLD JTAG TMS */
157 	{OFFSET(mcasp0_fsr), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
158 	/* GPIO3_20 (MCASP0_AXR1) - CPLD JTAG TCK */
159 	{OFFSET(mcasp0_axr1), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
160 	/* GPIO3_21 (MCASP0_AHCLKX) - CPLD JTAG TDO */
161 	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
162 	/* GPIO2_0  (GPMC_nCS3) - DCOK */
163 	{OFFSET(gpmc_csn3), (MODE(7) | PULLUDDIS | RXACTIVE) },
164 	/* GPIO0_29 (RMII1_REFCLK) - eMMC nRST */
165 	{OFFSET(rmii1_refclk), (MODE(7) | PULLUDDIS | RXACTIVE) },
166 	/*
167 	 * GPIO0_7 (PWW0 OUT)
168 	 * DISPLAY_ONOFF (Backlight Enable at LVDS Versions)
169 	 */
170 	{OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN | RXACTIVE)},
171 	/* GPIO0_19 (DMA_INTR0) - DISPLAY_MODE (CPLD) */
172 	{OFFSET(xdma_event_intr0), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
173 	/* GPIO0_20 (DMA_INTR1) - REP-Switch */
174 	{OFFSET(xdma_event_intr1), (MODE(7) | PULLUP_EN | RXACTIVE)},
175 	/* GPIO3_14 (MCASP0_ACLKX) - frei / PP709 */
176 	{OFFSET(mcasp0_aclkx), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE) },
177 	/* GPIO3_15 (MCASP0_FSX) - PMIC_nRESET */
178 	{OFFSET(mcasp0_fsx),   (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE) },
179 	/* GPIO3_16 (MCASP0_AXR0) - ETH1_LEDY */
180 	{OFFSET(mcasp0_axr0),  (MODE(7) | PULLUDDIS) },
181 	/* GPIO3_17 (MCASP0_AHCLKR) - ETH2_LEDY */
182 	{OFFSET(mcasp0_ahclkr), (MODE(7) | PULLUDDIS) },
183 #ifndef CONFIG_NAND
184 	/* GPIO2_3 - NAND_OE */
185 	{OFFSET(gpmc_oen_ren), (MODE(7) | PULLDOWN_EN | RXACTIVE)},
186 	/* GPIO2_4 - NAND_WEN */
187 	{OFFSET(gpmc_wen), (MODE(7) | PULLDOWN_EN | RXACTIVE)},
188 	/* GPIO2_5 - NAND_BE_CLE */
189 	{OFFSET(gpmc_be0n_cle), (MODE(7) | PULLDOWN_EN | RXACTIVE)},
190 #endif
191 	{-1},
192 };
193 
194 static struct module_pin_mux lcd_pin_mux[] = {
195 	{OFFSET(lcd_data0), (MODE(0) | PULLUDDIS)},	/* LCD-Data(0) */
196 	{OFFSET(lcd_data1), (MODE(0) | PULLUDDIS)},	/* LCD-Data(1) */
197 	{OFFSET(lcd_data2), (MODE(0) | PULLUDDIS)},	/* LCD-Data(2) */
198 	{OFFSET(lcd_data3), (MODE(0) | PULLUDDIS)},	/* LCD-Data(3) */
199 	{OFFSET(lcd_data4), (MODE(0) | PULLUDDIS)},	/* LCD-Data(4) */
200 	{OFFSET(lcd_data5), (MODE(0) | PULLUDDIS)},	/* LCD-Data(5) */
201 	{OFFSET(lcd_data6), (MODE(0) | PULLUDDIS)},	/* LCD-Data(6) */
202 	{OFFSET(lcd_data7), (MODE(0) | PULLUDDIS)},	/* LCD-Data(7) */
203 	{OFFSET(lcd_data8), (MODE(0) | PULLUDDIS)},	/* LCD-Data(8) */
204 	{OFFSET(lcd_data9), (MODE(0) | PULLUDDIS)},	/* LCD-Data(9) */
205 	{OFFSET(lcd_data10), (MODE(0) | PULLUDDIS)},	/* LCD-Data(10) */
206 	{OFFSET(lcd_data11), (MODE(0) | PULLUDDIS)},	/* LCD-Data(11) */
207 	{OFFSET(lcd_data12), (MODE(0) | PULLUDDIS)},	/* LCD-Data(12) */
208 	{OFFSET(lcd_data13), (MODE(0) | PULLUDDIS)},	/* LCD-Data(13) */
209 	{OFFSET(lcd_data14), (MODE(0) | PULLUDDIS)},	/* LCD-Data(14) */
210 	{OFFSET(lcd_data15), (MODE(0) | PULLUDDIS)},	/* LCD-Data(15) */
211 
212 	{OFFSET(gpmc_ad8), (MODE(1) | PULLUDDIS)},	/* LCD-Data(16) */
213 	{OFFSET(gpmc_ad9), (MODE(1) | PULLUDDIS)},	/* LCD-Data(17) */
214 	{OFFSET(gpmc_ad10), (MODE(1) | PULLUDDIS)},	/* LCD-Data(18) */
215 	{OFFSET(gpmc_ad11), (MODE(1) | PULLUDDIS)},	/* LCD-Data(19) */
216 	{OFFSET(gpmc_ad12), (MODE(1) | PULLUDDIS)},	/* LCD-Data(20) */
217 	{OFFSET(gpmc_ad13), (MODE(1) | PULLUDDIS)},	/* LCD-Data(21) */
218 	{OFFSET(gpmc_ad14), (MODE(1) | PULLUDDIS)},	/* LCD-Data(22) */
219 	{OFFSET(gpmc_ad15), (MODE(1) | PULLUDDIS)},	/* LCD-Data(23) */
220 
221 	{OFFSET(lcd_vsync), (MODE(0) | PULLUDDIS)},	/* LCD-VSync */
222 	{OFFSET(lcd_hsync), (MODE(0) | PULLUDDIS)},	/* LCD-HSync */
223 	{OFFSET(lcd_ac_bias_en), (MODE(0) | PULLUDDIS)},/* LCD-DE */
224 	{OFFSET(lcd_pclk), (MODE(0) | PULLUDDIS)},	/* LCD-CLK */
225 
226 	{-1},
227 };
228 
229 void enable_uart0_pin_mux(void)
230 {
231 	configure_module_pin_mux(uart0_pin_mux);
232 }
233 
234 void enable_i2c_pin_mux(void)
235 {
236 	configure_module_pin_mux(i2c0_pin_mux);
237 }
238 
239 void enable_board_pin_mux(void)
240 {
241 	configure_module_pin_mux(i2c0_pin_mux);
242 	configure_module_pin_mux(mii1_pin_mux);
243 	configure_module_pin_mux(mii2_pin_mux);
244 #ifdef CONFIG_NAND
245 	configure_module_pin_mux(nand_pin_mux);
246 #elif defined(CONFIG_MMC)
247 	configure_module_pin_mux(mmc1_pin_mux);
248 #endif
249 	configure_module_pin_mux(spi0_pin_mux);
250 	configure_module_pin_mux(lcd_pin_mux);
251 	configure_module_pin_mux(uart1_pin_mux);
252 	configure_module_pin_mux(gpIOs);
253 }
254