xref: /openbmc/u-boot/board/BuR/brppt1/mux.c (revision baefb63a)
1 /*
2  * mux.c
3  *
4  * Pinmux Setting for B&R BRPPT1 Board(s)
5  *
6  * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
7  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 #include <common.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/arch/hardware.h>
15 #include <asm/arch/mux.h>
16 #include <asm/io.h>
17 #include <i2c.h>
18 
19 static struct module_pin_mux uart0_pin_mux[] = {
20 	/* UART0_RTS */
21 	{OFFSET(uart0_rtsn), (MODE(0) | PULLUDEN)},
22 	/* UART0_CTS */
23 	{OFFSET(uart0_ctsn), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)},
24 	/* UART0_RXD */
25 	{OFFSET(uart0_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)},
26 	/* UART0_TXD */
27 	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},
28 	{-1},
29 };
30 static struct module_pin_mux uart1_pin_mux[] = {
31 	/* UART1_RTS as I2C2-SCL */
32 	{OFFSET(uart1_rtsn), (MODE(3) | PULLUDEN | PULLUP_EN | RXACTIVE)},
33 	/* UART1_CTS as I2C2-SDA */
34 	{OFFSET(uart1_ctsn), (MODE(3) | PULLUDEN | PULLUP_EN | RXACTIVE)},
35 	/* UART1_RXD */
36 	{OFFSET(uart1_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)},
37 	/* UART1_TXD */
38 	{OFFSET(uart1_txd), (MODE(0) | PULLUDEN)},
39 	{-1},
40 };
41 #ifdef CONFIG_MMC
42 static struct module_pin_mux mmc1_pin_mux[] = {
43 	{OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT7 */
44 	{OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT6 */
45 	{OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT5 */
46 	{OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT4 */
47 
48 	{OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT3 */
49 	{OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT2 */
50 	{OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT1 */
51 	{OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)},	/* MMC1_DAT0 */
52 	{OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* MMC1_CLK */
53 	{OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* MMC1_CMD */
54 	{OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUP_EN)},	/* MMC1_WP */
55 	{OFFSET(gpmc_advn_ale), (MODE(7) | RXACTIVE | PULLUP_EN)},/* MMC1_CD */
56 	{-1},
57 };
58 #endif
59 static struct module_pin_mux i2c0_pin_mux[] = {
60 	/* I2C_DATA */
61 	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
62 	/* I2C_SCLK */
63 	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
64 	{-1},
65 };
66 
67 static struct module_pin_mux spi0_pin_mux[] = {
68 	/* SPI0_SCLK */
69 	{OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)},
70 	/* SPI0_D0 */
71 	{OFFSET(spi0_d0), (MODE(0) | RXACTIVE |	PULLUDEN | PULLUP_EN)},
72 	/* SPI0_D1 */
73 	{OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)},
74 	/* SPI0_CS0 */
75 	{OFFSET(spi0_cs0), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)},
76 	{-1},
77 };
78 
79 static struct module_pin_mux mii1_pin_mux[] = {
80 	{OFFSET(mii1_crs), MODE(0) | RXACTIVE},		/* MII1_CRS */
81 	{OFFSET(mii1_col), MODE(0) | RXACTIVE},		/* MII1_COL */
82 	{OFFSET(mii1_rxerr), MODE(0) | RXACTIVE},	/* MII1_RXERR */
83 	{OFFSET(mii1_txen), MODE(0)},			/* MII1_TXEN */
84 	{OFFSET(mii1_rxdv), MODE(0) | RXACTIVE},	/* MII1_RXDV */
85 	{OFFSET(mii1_txd3), MODE(0)},			/* MII1_TXD3 */
86 	{OFFSET(mii1_txd2), MODE(0)},			/* MII1_TXD2 */
87 	{OFFSET(mii1_txd1), MODE(0)},			/* MII1_TXD1 */
88 	{OFFSET(mii1_txd0), MODE(0)},			/* MII1_TXD0 */
89 	{OFFSET(mii1_txclk), MODE(0) | RXACTIVE},	/* MII1_TXCLK */
90 	{OFFSET(mii1_rxclk), MODE(0) | RXACTIVE},	/* MII1_RXCLK */
91 	{OFFSET(mii1_rxd3), MODE(0) | RXACTIVE},	/* MII1_RXD3 */
92 	{OFFSET(mii1_rxd2), MODE(0) | RXACTIVE},	/* MII1_RXD2 */
93 	{OFFSET(mii1_rxd1), MODE(0) | RXACTIVE},	/* MII1_RXD1 */
94 	{OFFSET(mii1_rxd0), MODE(0) | RXACTIVE},	/* MII1_RXD0 */
95 	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
96 	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
97 	{-1},
98 };
99 
100 static struct module_pin_mux mii2_pin_mux[] = {
101 	{OFFSET(gpmc_a0), MODE(1)},		/* MII2_TXEN */
102 	{OFFSET(gpmc_a1), MODE(1) | RXACTIVE},	/* MII2_RXDV */
103 	{OFFSET(gpmc_a2), MODE(1)},		/* MII2_TXD3 */
104 	{OFFSET(gpmc_a3), MODE(1)},		/* MII2_TXD2 */
105 	{OFFSET(gpmc_a4), MODE(1)},		/* MII2_TXD1 */
106 	{OFFSET(gpmc_a5), MODE(1)},		/* MII2_TXD0 */
107 	{OFFSET(gpmc_a6), MODE(1) | RXACTIVE},	/* MII2_TXCLK */
108 	{OFFSET(gpmc_a7), MODE(1) | RXACTIVE},	/* MII2_RXCLK */
109 	{OFFSET(gpmc_a8), MODE(1) | RXACTIVE},	/* MII2_RXD3 */
110 	{OFFSET(gpmc_a9), MODE(1) | RXACTIVE},	/* MII2_RXD2 */
111 	{OFFSET(gpmc_a10), MODE(1) | RXACTIVE},	/* MII2_RXD1 */
112 	{OFFSET(gpmc_a11), MODE(1) | RXACTIVE},	/* MII2_RXD0 */
113 	{OFFSET(gpmc_wpn), (MODE(1) | RXACTIVE)},/* MII2_RXERR */
114 	{OFFSET(gpmc_wait0), (MODE(1) | RXACTIVE | PULLUP_EN)},
115 						/*
116 						 * MII2_CRS is shared with
117 						 * NAND_WAIT0
118 						 */
119 	{OFFSET(gpmc_be1n), (MODE(1) | RXACTIVE)},/* MII1_COL */
120 	{-1},
121 };
122 #ifdef CONFIG_NAND
123 static struct module_pin_mux nand_pin_mux[] = {
124 	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
125 	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
126 	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
127 	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
128 	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
129 	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
130 	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
131 	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
132 	{OFFSET(gpmc_clk), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* NAND WAIT */
133 	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
134 	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},	/* NAND_CS0 */
135 	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)},	/* NAND_ADV_ALE */
136 	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
137 	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
138 	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
139 	{-1},
140 };
141 #endif
142 static struct module_pin_mux gpIOs[] = {
143 	/* GPIO0_6  (SPI0_CS1) - 3v3_PWR_nEN (Display Power Supply) */
144 	{OFFSET(spi0_cs1),  (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
145 	/* TIMER5   (MMC0_DAT3) - TIMER5 (Buzzer) */
146 	{OFFSET(mmc0_dat3), (MODE(3) | PULLUDEN | RXACTIVE)},
147 	/* TIMER6   (MMC0_DAT2) - PWM_BACK_3V3 */
148 	{OFFSET(mmc0_dat2), (MODE(3) | PULLUDEN | RXACTIVE)},
149 	/* GPIO2_28 (MMC0_DAT1)	 - MII_nNAND */
150 	{OFFSET(mmc0_dat1), (MODE(7) | PULLUDEN | RXACTIVE)},
151 	/* GPIO2_29 (MMC0_DAT0)	 - NAND_1n0 */
152 	{OFFSET(mmc0_dat0), (MODE(7) | PULLUDEN | RXACTIVE)},
153 	/* GPIO2_30 (MMC0_CLK) - nRESET (PHY) */
154 	{OFFSET(mmc0_clk), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
155 	/* GPIO3_18 (MCASP0_ACLKR) - CPLD JTAG TDI */
156 	{OFFSET(mcasp0_aclkr), (MODE(7) | PULLUDEN | PULLUP_EN  | RXACTIVE)},
157 	/* GPIO3_19 (MCASP0_FSR) - CPLD JTAG TMS */
158 	{OFFSET(mcasp0_fsr), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
159 	/* GPIO3_20 (MCASP0_AXR1) - CPLD JTAG TCK */
160 	{OFFSET(mcasp0_axr1), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
161 	/* GPIO3_21 (MCASP0_AHCLKX) - CPLD JTAG TDO */
162 	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
163 	/* GPIO2_0  (GPMC_nCS3) - DCOK */
164 	{OFFSET(gpmc_csn3), (MODE(7) | PULLUDDIS | RXACTIVE) },
165 	/* GPIO0_29 (RMII1_REFCLK) - eMMC nRST */
166 	{OFFSET(rmii1_refclk), (MODE(7) | PULLUDDIS | RXACTIVE) },
167 	/*
168 	 * GPIO0_7 (PWW0 OUT)
169 	 * DISPLAY_ONOFF (Backlight Enable at LVDS Versions)
170 	 */
171 	{OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN | RXACTIVE)},
172 	/* GPIO0_19 (DMA_INTR0) - DISPLAY_MODE (CPLD) */
173 	{OFFSET(xdma_event_intr0), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)},
174 	/* GPIO0_20 (DMA_INTR1) - REP-Switch */
175 	{OFFSET(xdma_event_intr1), (MODE(7) | PULLUP_EN | RXACTIVE)},
176 	/* GPIO3_14 (MCASP0_ACLKX) - frei / PP709 */
177 	{OFFSET(mcasp0_aclkx), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE) },
178 	/* GPIO3_15 (MCASP0_FSX) - PMIC_nRESET */
179 	{OFFSET(mcasp0_fsx),   (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE) },
180 	/* GPIO3_16 (MCASP0_AXR0) - ETH1_LEDY */
181 	{OFFSET(mcasp0_axr0),  (MODE(7) | PULLUDDIS) },
182 	/* GPIO3_17 (MCASP0_AHCLKR) - ETH2_LEDY */
183 	{OFFSET(mcasp0_ahclkr), (MODE(7) | PULLUDDIS) },
184 #ifndef CONFIG_NAND
185 	/* GPIO2_3 - NAND_OE */
186 	{OFFSET(gpmc_oen_ren), (MODE(7) | PULLDOWN_EN | RXACTIVE)},
187 	/* GPIO2_4 - NAND_WEN */
188 	{OFFSET(gpmc_wen), (MODE(7) | PULLDOWN_EN | RXACTIVE)},
189 	/* GPIO2_5 - NAND_BE_CLE */
190 	{OFFSET(gpmc_be0n_cle), (MODE(7) | PULLDOWN_EN | RXACTIVE)},
191 #endif
192 	{-1},
193 };
194 
195 static struct module_pin_mux lcd_pin_mux[] = {
196 	{OFFSET(lcd_data0), (MODE(0) | PULLUDDIS)},	/* LCD-Data(0) */
197 	{OFFSET(lcd_data1), (MODE(0) | PULLUDDIS)},	/* LCD-Data(1) */
198 	{OFFSET(lcd_data2), (MODE(0) | PULLUDDIS)},	/* LCD-Data(2) */
199 	{OFFSET(lcd_data3), (MODE(0) | PULLUDDIS)},	/* LCD-Data(3) */
200 	{OFFSET(lcd_data4), (MODE(0) | PULLUDDIS)},	/* LCD-Data(4) */
201 	{OFFSET(lcd_data5), (MODE(0) | PULLUDDIS)},	/* LCD-Data(5) */
202 	{OFFSET(lcd_data6), (MODE(0) | PULLUDDIS)},	/* LCD-Data(6) */
203 	{OFFSET(lcd_data7), (MODE(0) | PULLUDDIS)},	/* LCD-Data(7) */
204 	{OFFSET(lcd_data8), (MODE(0) | PULLUDDIS)},	/* LCD-Data(8) */
205 	{OFFSET(lcd_data9), (MODE(0) | PULLUDDIS)},	/* LCD-Data(9) */
206 	{OFFSET(lcd_data10), (MODE(0) | PULLUDDIS)},	/* LCD-Data(10) */
207 	{OFFSET(lcd_data11), (MODE(0) | PULLUDDIS)},	/* LCD-Data(11) */
208 	{OFFSET(lcd_data12), (MODE(0) | PULLUDDIS)},	/* LCD-Data(12) */
209 	{OFFSET(lcd_data13), (MODE(0) | PULLUDDIS)},	/* LCD-Data(13) */
210 	{OFFSET(lcd_data14), (MODE(0) | PULLUDDIS)},	/* LCD-Data(14) */
211 	{OFFSET(lcd_data15), (MODE(0) | PULLUDDIS)},	/* LCD-Data(15) */
212 
213 	{OFFSET(gpmc_ad8), (MODE(1) | PULLUDDIS)},	/* LCD-Data(16) */
214 	{OFFSET(gpmc_ad9), (MODE(1) | PULLUDDIS)},	/* LCD-Data(17) */
215 	{OFFSET(gpmc_ad10), (MODE(1) | PULLUDDIS)},	/* LCD-Data(18) */
216 	{OFFSET(gpmc_ad11), (MODE(1) | PULLUDDIS)},	/* LCD-Data(19) */
217 	{OFFSET(gpmc_ad12), (MODE(1) | PULLUDDIS)},	/* LCD-Data(20) */
218 	{OFFSET(gpmc_ad13), (MODE(1) | PULLUDDIS)},	/* LCD-Data(21) */
219 	{OFFSET(gpmc_ad14), (MODE(1) | PULLUDDIS)},	/* LCD-Data(22) */
220 	{OFFSET(gpmc_ad15), (MODE(1) | PULLUDDIS)},	/* LCD-Data(23) */
221 
222 	{OFFSET(lcd_vsync), (MODE(0) | PULLUDDIS)},	/* LCD-VSync */
223 	{OFFSET(lcd_hsync), (MODE(0) | PULLUDDIS)},	/* LCD-HSync */
224 	{OFFSET(lcd_ac_bias_en), (MODE(0) | PULLUDDIS)},/* LCD-DE */
225 	{OFFSET(lcd_pclk), (MODE(0) | PULLUDDIS)},	/* LCD-CLK */
226 
227 	{-1},
228 };
229 
230 void enable_uart0_pin_mux(void)
231 {
232 	configure_module_pin_mux(uart0_pin_mux);
233 }
234 
235 void enable_i2c_pin_mux(void)
236 {
237 	configure_module_pin_mux(i2c0_pin_mux);
238 }
239 
240 void enable_board_pin_mux(void)
241 {
242 	configure_module_pin_mux(i2c0_pin_mux);
243 	configure_module_pin_mux(mii1_pin_mux);
244 	configure_module_pin_mux(mii2_pin_mux);
245 #ifdef CONFIG_NAND
246 	configure_module_pin_mux(nand_pin_mux);
247 #elif defined(CONFIG_MMC)
248 	configure_module_pin_mux(mmc1_pin_mux);
249 #endif
250 	configure_module_pin_mux(spi0_pin_mux);
251 	configure_module_pin_mux(lcd_pin_mux);
252 	configure_module_pin_mux(uart1_pin_mux);
253 	configure_module_pin_mux(gpIOs);
254 }
255