/* * Zynq pin controller * * Copyright (C) 2014 Xilinx * * Sören Brinkmann * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include #include #include #include #include #include #include #include #include #include "pinctrl-utils.h" #include "core.h" #define ZYNQ_NUM_MIOS 54 #define ZYNQ_PCTRL_MIO_MST_TRI0 0x10c #define ZYNQ_PCTRL_MIO_MST_TRI1 0x110 #define ZYNQ_PINMUX_MUX_SHIFT 1 #define ZYNQ_PINMUX_MUX_MASK (0x7f << ZYNQ_PINMUX_MUX_SHIFT) /** * struct zynq_pinctrl - driver data * @pctrl: Pinctrl device * @syscon: Syscon regmap * @pctrl_offset: Offset for pinctrl into the @syscon space * @groups: Pingroups * @ngroupos: Number of @groups * @funcs: Pinmux functions * @nfuncs: Number of @funcs */ struct zynq_pinctrl { struct pinctrl_dev *pctrl; struct regmap *syscon; u32 pctrl_offset; const struct zynq_pctrl_group *groups; unsigned int ngroups; const struct zynq_pinmux_function *funcs; unsigned int nfuncs; }; struct zynq_pctrl_group { const char *name; const unsigned int *pins; const unsigned npins; }; /** * struct zynq_pinmux_function - a pinmux function * @name: Name of the pinmux function. * @groups: List of pingroups for this function. * @ngroups: Number of entries in @groups. * @mux_val: Selector for this function * @mux: Offset of function specific mux * @mux_mask: Mask for function specific selector * @mux_shift: Shift for function specific selector */ struct zynq_pinmux_function { const char *name; const char * const *groups; unsigned int ngroups; unsigned int mux_val; u32 mux; u32 mux_mask; u8 mux_shift; }; enum zynq_pinmux_functions { ZYNQ_PMUX_can0, ZYNQ_PMUX_can1, ZYNQ_PMUX_ethernet0, ZYNQ_PMUX_ethernet1, ZYNQ_PMUX_gpio0, ZYNQ_PMUX_i2c0, ZYNQ_PMUX_i2c1, ZYNQ_PMUX_mdio0, ZYNQ_PMUX_mdio1, ZYNQ_PMUX_qspi0, ZYNQ_PMUX_qspi1, ZYNQ_PMUX_qspi_fbclk, ZYNQ_PMUX_qspi_cs1, ZYNQ_PMUX_spi0, ZYNQ_PMUX_spi1, ZYNQ_PMUX_sdio0, ZYNQ_PMUX_sdio0_pc, ZYNQ_PMUX_sdio0_cd, ZYNQ_PMUX_sdio0_wp, ZYNQ_PMUX_sdio1, ZYNQ_PMUX_sdio1_pc, ZYNQ_PMUX_sdio1_cd, ZYNQ_PMUX_sdio1_wp, ZYNQ_PMUX_smc0_nor, ZYNQ_PMUX_smc0_nor_cs1, ZYNQ_PMUX_smc0_nor_addr25, ZYNQ_PMUX_smc0_nand, ZYNQ_PMUX_ttc0, ZYNQ_PMUX_ttc1, ZYNQ_PMUX_uart0, ZYNQ_PMUX_uart1, ZYNQ_PMUX_usb0, ZYNQ_PMUX_usb1, ZYNQ_PMUX_swdt0, ZYNQ_PMUX_MAX_FUNC }; const struct pinctrl_pin_desc zynq_pins[] = { PINCTRL_PIN(0, "MIO0"), PINCTRL_PIN(1, "MIO1"), PINCTRL_PIN(2, "MIO2"), PINCTRL_PIN(3, "MIO3"), PINCTRL_PIN(4, "MIO4"), PINCTRL_PIN(5, "MIO5"), PINCTRL_PIN(6, "MIO6"), PINCTRL_PIN(7, "MIO7"), PINCTRL_PIN(8, "MIO8"), PINCTRL_PIN(9, "MIO9"), PINCTRL_PIN(10, "MIO10"), PINCTRL_PIN(11, "MIO11"), PINCTRL_PIN(12, "MIO12"), PINCTRL_PIN(13, "MIO13"), PINCTRL_PIN(14, "MIO14"), PINCTRL_PIN(15, "MIO15"), PINCTRL_PIN(16, "MIO16"), PINCTRL_PIN(17, "MIO17"), PINCTRL_PIN(18, "MIO18"), PINCTRL_PIN(19, "MIO19"), PINCTRL_PIN(20, "MIO20"), PINCTRL_PIN(21, "MIO21"), PINCTRL_PIN(22, "MIO22"), PINCTRL_PIN(23, "MIO23"), PINCTRL_PIN(24, "MIO24"), PINCTRL_PIN(25, "MIO25"), PINCTRL_PIN(26, "MIO26"), PINCTRL_PIN(27, "MIO27"), PINCTRL_PIN(28, "MIO28"), PINCTRL_PIN(29, "MIO29"), PINCTRL_PIN(30, "MIO30"), PINCTRL_PIN(31, "MIO31"), PINCTRL_PIN(32, "MIO32"), PINCTRL_PIN(33, "MIO33"), PINCTRL_PIN(34, "MIO34"), PINCTRL_PIN(35, "MIO35"), PINCTRL_PIN(36, "MIO36"), PINCTRL_PIN(37, "MIO37"), PINCTRL_PIN(38, "MIO38"), PINCTRL_PIN(39, "MIO39"), PINCTRL_PIN(40, "MIO40"), PINCTRL_PIN(41, "MIO41"), PINCTRL_PIN(42, "MIO42"), PINCTRL_PIN(43, "MIO43"), PINCTRL_PIN(44, "MIO44"), PINCTRL_PIN(45, "MIO45"), PINCTRL_PIN(46, "MIO46"), PINCTRL_PIN(47, "MIO47"), PINCTRL_PIN(48, "MIO48"), PINCTRL_PIN(49, "MIO49"), PINCTRL_PIN(50, "MIO50"), PINCTRL_PIN(51, "MIO51"), PINCTRL_PIN(52, "MIO52"), PINCTRL_PIN(53, "MIO53"), PINCTRL_PIN(54, "EMIO_SD0_WP"), PINCTRL_PIN(55, "EMIO_SD0_CD"), PINCTRL_PIN(56, "EMIO_SD1_WP"), PINCTRL_PIN(57, "EMIO_SD1_CD"), }; /* pin groups */ static const unsigned int ethernet0_0_pins[] = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27}; static const unsigned int ethernet1_0_pins[] = {28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39}; static const unsigned int mdio0_0_pins[] = {52, 53}; static const unsigned int mdio1_0_pins[] = {52, 53}; static const unsigned int qspi0_0_pins[] = {1, 2, 3, 4, 5, 6}; static const unsigned int qspi1_0_pins[] = {9, 10, 11, 12, 13}; static const unsigned int qspi_cs1_pins[] = {0}; static const unsigned int qspi_fbclk_pins[] = {8}; static const unsigned int spi0_0_pins[] = {16, 17, 18, 19, 20, 21}; static const unsigned int spi0_1_pins[] = {28, 29, 30, 31, 32, 33}; static const unsigned int spi0_2_pins[] = {40, 41, 42, 43, 44, 45}; static const unsigned int spi1_0_pins[] = {10, 11, 12, 13, 14, 15}; static const unsigned int spi1_1_pins[] = {22, 23, 24, 25, 26, 27}; static const unsigned int spi1_2_pins[] = {34, 35, 36, 37, 38, 39}; static const unsigned int spi1_3_pins[] = {46, 47, 48, 49, 40, 51}; static const unsigned int sdio0_0_pins[] = {16, 17, 18, 19, 20, 21}; static const unsigned int sdio0_1_pins[] = {28, 29, 30, 31, 32, 33}; static const unsigned int sdio0_2_pins[] = {40, 41, 42, 43, 44, 45}; static const unsigned int sdio1_0_pins[] = {10, 11, 12, 13, 14, 15}; static const unsigned int sdio1_1_pins[] = {22, 23, 24, 25, 26, 27}; static const unsigned int sdio1_2_pins[] = {34, 35, 36, 37, 38, 39}; static const unsigned int sdio1_3_pins[] = {46, 47, 48, 49, 40, 51}; static const unsigned int sdio0_emio_wp_pins[] = {54}; static const unsigned int sdio0_emio_cd_pins[] = {55}; static const unsigned int sdio1_emio_wp_pins[] = {56}; static const unsigned int sdio1_emio_cd_pins[] = {57}; static const unsigned int smc0_nor_pins[] = {0, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39}; static const unsigned int smc0_nor_cs1_pins[] = {1}; static const unsigned int smc0_nor_addr25_pins[] = {1}; static const unsigned int smc0_nand_pins[] = {0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23}; /* Note: CAN MIO clock inputs are modeled in the clock framework */ static const unsigned int can0_0_pins[] = {10, 11}; static const unsigned int can0_1_pins[] = {14, 15}; static const unsigned int can0_2_pins[] = {18, 19}; static const unsigned int can0_3_pins[] = {22, 23}; static const unsigned int can0_4_pins[] = {26, 27}; static const unsigned int can0_5_pins[] = {30, 31}; static const unsigned int can0_6_pins[] = {34, 35}; static const unsigned int can0_7_pins[] = {38, 39}; static const unsigned int can0_8_pins[] = {42, 43}; static const unsigned int can0_9_pins[] = {46, 47}; static const unsigned int can0_10_pins[] = {50, 51}; static const unsigned int can1_0_pins[] = {8, 9}; static const unsigned int can1_1_pins[] = {12, 13}; static const unsigned int can1_2_pins[] = {16, 17}; static const unsigned int can1_3_pins[] = {20, 21}; static const unsigned int can1_4_pins[] = {24, 25}; static const unsigned int can1_5_pins[] = {28, 29}; static const unsigned int can1_6_pins[] = {32, 33}; static const unsigned int can1_7_pins[] = {36, 37}; static const unsigned int can1_8_pins[] = {40, 41}; static const unsigned int can1_9_pins[] = {44, 45}; static const unsigned int can1_10_pins[] = {48, 49}; static const unsigned int can1_11_pins[] = {52, 53}; static const unsigned int uart0_0_pins[] = {10, 11}; static const unsigned int uart0_1_pins[] = {14, 15}; static const unsigned int uart0_2_pins[] = {18, 19}; static const unsigned int uart0_3_pins[] = {22, 23}; static const unsigned int uart0_4_pins[] = {26, 27}; static const unsigned int uart0_5_pins[] = {30, 31}; static const unsigned int uart0_6_pins[] = {34, 35}; static const unsigned int uart0_7_pins[] = {38, 39}; static const unsigned int uart0_8_pins[] = {42, 43}; static const unsigned int uart0_9_pins[] = {46, 47}; static const unsigned int uart0_10_pins[] = {50, 51}; static const unsigned int uart1_0_pins[] = {8, 9}; static const unsigned int uart1_1_pins[] = {12, 13}; static const unsigned int uart1_2_pins[] = {16, 17}; static const unsigned int uart1_3_pins[] = {20, 21}; static const unsigned int uart1_4_pins[] = {24, 25}; static const unsigned int uart1_5_pins[] = {28, 29}; static const unsigned int uart1_6_pins[] = {32, 33}; static const unsigned int uart1_7_pins[] = {36, 37}; static const unsigned int uart1_8_pins[] = {40, 41}; static const unsigned int uart1_9_pins[] = {44, 45}; static const unsigned int uart1_10_pins[] = {48, 49}; static const unsigned int uart1_11_pins[] = {52, 53}; static const unsigned int i2c0_0_pins[] = {10, 11}; static const unsigned int i2c0_1_pins[] = {14, 15}; static const unsigned int i2c0_2_pins[] = {18, 19}; static const unsigned int i2c0_3_pins[] = {22, 23}; static const unsigned int i2c0_4_pins[] = {26, 27}; static const unsigned int i2c0_5_pins[] = {30, 31}; static const unsigned int i2c0_6_pins[] = {34, 35}; static const unsigned int i2c0_7_pins[] = {38, 39}; static const unsigned int i2c0_8_pins[] = {42, 43}; static const unsigned int i2c0_9_pins[] = {46, 47}; static const unsigned int i2c0_10_pins[] = {50, 51}; static const unsigned int i2c1_0_pins[] = {12, 13}; static const unsigned int i2c1_1_pins[] = {16, 17}; static const unsigned int i2c1_2_pins[] = {20, 21}; static const unsigned int i2c1_3_pins[] = {24, 25}; static const unsigned int i2c1_4_pins[] = {28, 29}; static const unsigned int i2c1_5_pins[] = {32, 33}; static const unsigned int i2c1_6_pins[] = {36, 37}; static const unsigned int i2c1_7_pins[] = {40, 41}; static const unsigned int i2c1_8_pins[] = {44, 45}; static const unsigned int i2c1_9_pins[] = {48, 49}; static const unsigned int i2c1_10_pins[] = {52, 53}; static const unsigned int ttc0_0_pins[] = {18, 19}; static const unsigned int ttc0_1_pins[] = {30, 31}; static const unsigned int ttc0_2_pins[] = {42, 43}; static const unsigned int ttc1_0_pins[] = {16, 17}; static const unsigned int ttc1_1_pins[] = {28, 29}; static const unsigned int ttc1_2_pins[] = {40, 41}; static const unsigned int swdt0_0_pins[] = {14, 15}; static const unsigned int swdt0_1_pins[] = {26, 27}; static const unsigned int swdt0_2_pins[] = {38, 39}; static const unsigned int swdt0_3_pins[] = {50, 51}; static const unsigned int swdt0_4_pins[] = {52, 53}; static const unsigned int gpio0_0_pins[] = {0}; static const unsigned int gpio0_1_pins[] = {1}; static const unsigned int gpio0_2_pins[] = {2}; static const unsigned int gpio0_3_pins[] = {3}; static const unsigned int gpio0_4_pins[] = {4}; static const unsigned int gpio0_5_pins[] = {5}; static const unsigned int gpio0_6_pins[] = {6}; static const unsigned int gpio0_7_pins[] = {7}; static const unsigned int gpio0_8_pins[] = {8}; static const unsigned int gpio0_9_pins[] = {9}; static const unsigned int gpio0_10_pins[] = {10}; static const unsigned int gpio0_11_pins[] = {11}; static const unsigned int gpio0_12_pins[] = {12}; static const unsigned int gpio0_13_pins[] = {13}; static const unsigned int gpio0_14_pins[] = {14}; static const unsigned int gpio0_15_pins[] = {15}; static const unsigned int gpio0_16_pins[] = {16}; static const unsigned int gpio0_17_pins[] = {17}; static const unsigned int gpio0_18_pins[] = {18}; static const unsigned int gpio0_19_pins[] = {19}; static const unsigned int gpio0_20_pins[] = {20}; static const unsigned int gpio0_21_pins[] = {21}; static const unsigned int gpio0_22_pins[] = {22}; static const unsigned int gpio0_23_pins[] = {23}; static const unsigned int gpio0_24_pins[] = {24}; static const unsigned int gpio0_25_pins[] = {25}; static const unsigned int gpio0_26_pins[] = {26}; static const unsigned int gpio0_27_pins[] = {27}; static const unsigned int gpio0_28_pins[] = {28}; static const unsigned int gpio0_29_pins[] = {29}; static const unsigned int gpio0_30_pins[] = {30}; static const unsigned int gpio0_31_pins[] = {31}; static const unsigned int gpio0_32_pins[] = {32}; static const unsigned int gpio0_33_pins[] = {33}; static const unsigned int gpio0_34_pins[] = {34}; static const unsigned int gpio0_35_pins[] = {35}; static const unsigned int gpio0_36_pins[] = {36}; static const unsigned int gpio0_37_pins[] = {37}; static const unsigned int gpio0_38_pins[] = {38}; static const unsigned int gpio0_39_pins[] = {39}; static const unsigned int gpio0_40_pins[] = {40}; static const unsigned int gpio0_41_pins[] = {41}; static const unsigned int gpio0_42_pins[] = {42}; static const unsigned int gpio0_43_pins[] = {43}; static const unsigned int gpio0_44_pins[] = {44}; static const unsigned int gpio0_45_pins[] = {45}; static const unsigned int gpio0_46_pins[] = {46}; static const unsigned int gpio0_47_pins[] = {47}; static const unsigned int gpio0_48_pins[] = {48}; static const unsigned int gpio0_49_pins[] = {49}; static const unsigned int gpio0_50_pins[] = {50}; static const unsigned int gpio0_51_pins[] = {51}; static const unsigned int gpio0_52_pins[] = {52}; static const unsigned int gpio0_53_pins[] = {53}; static const unsigned int usb0_0_pins[] = {28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39}; static const unsigned int usb1_0_pins[] = {40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51}; #define DEFINE_ZYNQ_PINCTRL_GRP(nm) \ { \ .name = #nm "_grp", \ .pins = nm ## _pins, \ .npins = ARRAY_SIZE(nm ## _pins), \ } struct zynq_pctrl_group zynq_pctrl_groups[] = { DEFINE_ZYNQ_PINCTRL_GRP(ethernet0_0), DEFINE_ZYNQ_PINCTRL_GRP(ethernet1_0), DEFINE_ZYNQ_PINCTRL_GRP(mdio0_0), DEFINE_ZYNQ_PINCTRL_GRP(mdio1_0), DEFINE_ZYNQ_PINCTRL_GRP(qspi0_0), DEFINE_ZYNQ_PINCTRL_GRP(qspi1_0), DEFINE_ZYNQ_PINCTRL_GRP(qspi_fbclk), DEFINE_ZYNQ_PINCTRL_GRP(qspi_cs1), DEFINE_ZYNQ_PINCTRL_GRP(spi0_0), DEFINE_ZYNQ_PINCTRL_GRP(spi0_1), DEFINE_ZYNQ_PINCTRL_GRP(spi0_2), DEFINE_ZYNQ_PINCTRL_GRP(spi1_0), DEFINE_ZYNQ_PINCTRL_GRP(spi1_1), DEFINE_ZYNQ_PINCTRL_GRP(spi1_2), DEFINE_ZYNQ_PINCTRL_GRP(spi1_3), DEFINE_ZYNQ_PINCTRL_GRP(sdio0_0), DEFINE_ZYNQ_PINCTRL_GRP(sdio0_1), DEFINE_ZYNQ_PINCTRL_GRP(sdio0_2), DEFINE_ZYNQ_PINCTRL_GRP(sdio1_0), DEFINE_ZYNQ_PINCTRL_GRP(sdio1_1), DEFINE_ZYNQ_PINCTRL_GRP(sdio1_2), DEFINE_ZYNQ_PINCTRL_GRP(sdio1_3), DEFINE_ZYNQ_PINCTRL_GRP(sdio0_emio_wp), DEFINE_ZYNQ_PINCTRL_GRP(sdio0_emio_cd), DEFINE_ZYNQ_PINCTRL_GRP(sdio1_emio_wp), DEFINE_ZYNQ_PINCTRL_GRP(sdio1_emio_cd), DEFINE_ZYNQ_PINCTRL_GRP(smc0_nor), DEFINE_ZYNQ_PINCTRL_GRP(smc0_nor_cs1), DEFINE_ZYNQ_PINCTRL_GRP(smc0_nor_addr25), DEFINE_ZYNQ_PINCTRL_GRP(smc0_nand), DEFINE_ZYNQ_PINCTRL_GRP(can0_0), DEFINE_ZYNQ_PINCTRL_GRP(can0_1), DEFINE_ZYNQ_PINCTRL_GRP(can0_2), DEFINE_ZYNQ_PINCTRL_GRP(can0_3), DEFINE_ZYNQ_PINCTRL_GRP(can0_4), DEFINE_ZYNQ_PINCTRL_GRP(can0_5), DEFINE_ZYNQ_PINCTRL_GRP(can0_6), DEFINE_ZYNQ_PINCTRL_GRP(can0_7), DEFINE_ZYNQ_PINCTRL_GRP(can0_8), DEFINE_ZYNQ_PINCTRL_GRP(can0_9), DEFINE_ZYNQ_PINCTRL_GRP(can0_10), DEFINE_ZYNQ_PINCTRL_GRP(can1_0), DEFINE_ZYNQ_PINCTRL_GRP(can1_1), DEFINE_ZYNQ_PINCTRL_GRP(can1_2), DEFINE_ZYNQ_PINCTRL_GRP(can1_3), DEFINE_ZYNQ_PINCTRL_GRP(can1_4), DEFINE_ZYNQ_PINCTRL_GRP(can1_5), DEFINE_ZYNQ_PINCTRL_GRP(can1_6), DEFINE_ZYNQ_PINCTRL_GRP(can1_7), DEFINE_ZYNQ_PINCTRL_GRP(can1_8), DEFINE_ZYNQ_PINCTRL_GRP(can1_9), DEFINE_ZYNQ_PINCTRL_GRP(can1_10), DEFINE_ZYNQ_PINCTRL_GRP(can1_11), DEFINE_ZYNQ_PINCTRL_GRP(uart0_0), DEFINE_ZYNQ_PINCTRL_GRP(uart0_1), DEFINE_ZYNQ_PINCTRL_GRP(uart0_2), DEFINE_ZYNQ_PINCTRL_GRP(uart0_3), DEFINE_ZYNQ_PINCTRL_GRP(uart0_4), DEFINE_ZYNQ_PINCTRL_GRP(uart0_5), DEFINE_ZYNQ_PINCTRL_GRP(uart0_6), DEFINE_ZYNQ_PINCTRL_GRP(uart0_7), DEFINE_ZYNQ_PINCTRL_GRP(uart0_8), DEFINE_ZYNQ_PINCTRL_GRP(uart0_9), DEFINE_ZYNQ_PINCTRL_GRP(uart0_10), DEFINE_ZYNQ_PINCTRL_GRP(uart1_0), DEFINE_ZYNQ_PINCTRL_GRP(uart1_1), DEFINE_ZYNQ_PINCTRL_GRP(uart1_2), DEFINE_ZYNQ_PINCTRL_GRP(uart1_3), DEFINE_ZYNQ_PINCTRL_GRP(uart1_4), DEFINE_ZYNQ_PINCTRL_GRP(uart1_5), DEFINE_ZYNQ_PINCTRL_GRP(uart1_6), DEFINE_ZYNQ_PINCTRL_GRP(uart1_7), DEFINE_ZYNQ_PINCTRL_GRP(uart1_8), DEFINE_ZYNQ_PINCTRL_GRP(uart1_9), DEFINE_ZYNQ_PINCTRL_GRP(uart1_10), DEFINE_ZYNQ_PINCTRL_GRP(uart1_11), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_0), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_1), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_2), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_3), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_4), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_5), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_6), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_7), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_8), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_9), DEFINE_ZYNQ_PINCTRL_GRP(i2c0_10), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_0), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_1), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_2), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_3), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_4), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_5), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_6), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_7), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_8), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_9), DEFINE_ZYNQ_PINCTRL_GRP(i2c1_10), DEFINE_ZYNQ_PINCTRL_GRP(ttc0_0), DEFINE_ZYNQ_PINCTRL_GRP(ttc0_1), DEFINE_ZYNQ_PINCTRL_GRP(ttc0_2), DEFINE_ZYNQ_PINCTRL_GRP(ttc1_0), DEFINE_ZYNQ_PINCTRL_GRP(ttc1_1), DEFINE_ZYNQ_PINCTRL_GRP(ttc1_2), DEFINE_ZYNQ_PINCTRL_GRP(swdt0_0), DEFINE_ZYNQ_PINCTRL_GRP(swdt0_1), DEFINE_ZYNQ_PINCTRL_GRP(swdt0_2), DEFINE_ZYNQ_PINCTRL_GRP(swdt0_3), DEFINE_ZYNQ_PINCTRL_GRP(swdt0_4), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_0), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_1), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_2), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_3), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_4), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_5), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_6), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_7), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_8), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_9), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_10), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_11), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_12), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_13), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_14), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_15), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_16), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_17), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_18), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_19), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_20), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_21), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_22), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_23), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_24), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_25), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_26), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_27), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_28), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_29), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_30), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_31), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_32), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_33), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_34), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_35), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_36), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_37), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_38), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_39), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_40), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_41), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_42), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_43), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_44), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_45), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_46), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_47), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_48), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_49), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_50), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_51), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_52), DEFINE_ZYNQ_PINCTRL_GRP(gpio0_53), DEFINE_ZYNQ_PINCTRL_GRP(usb0_0), DEFINE_ZYNQ_PINCTRL_GRP(usb1_0), }; /* function groups */ static const char * const ethernet0_groups[] = {"ethernet0_0_grp"}; static const char * const ethernet1_groups[] = {"ethernet1_0_grp"}; static const char * const usb0_groups[] = {"usb0_0_grp"}; static const char * const usb1_groups[] = {"usb1_0_grp"}; static const char * const mdio0_groups[] = {"mdio0_0_grp"}; static const char * const mdio1_groups[] = {"mdio1_0_grp"}; static const char * const qspi0_groups[] = {"qspi0_0_grp"}; static const char * const qspi1_groups[] = {"qspi0_1_grp"}; static const char * const qspi_fbclk_groups[] = {"qspi_fbclk_grp"}; static const char * const qspi_cs1_groups[] = {"qspi_cs1_grp"}; static const char * const spi0_groups[] = {"spi0_0_grp", "spi0_1_grp", "spi0_2_grp"}; static const char * const spi1_groups[] = {"spi1_0_grp", "spi1_1_grp", "spi1_2_grp", "spi1_3_grp"}; static const char * const sdio0_groups[] = {"sdio0_0_grp", "sdio0_1_grp", "sdio0_2_grp"}; static const char * const sdio1_groups[] = {"sdio1_0_grp", "sdio1_1_grp", "sdio1_2_grp", "sdio1_3_grp"}; static const char * const sdio0_pc_groups[] = {"gpio0_0_grp", "gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp", "gpio0_8_grp", "gpio0_10_grp", "gpio0_12_grp", "gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp", "gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp", "gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp", "gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp", "gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp", "gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp", "gpio0_50_grp", "gpio0_52_grp"}; static const char * const sdio1_pc_groups[] = {"gpio0_1_grp", "gpio0_3_grp", "gpio0_5_grp", "gpio0_7_grp", "gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp", "gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp", "gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp", "gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp", "gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp", "gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp", "gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp", "gpio0_51_grp", "gpio0_53_grp"}; static const char * const sdio0_cd_groups[] = {"gpio0_0_grp", "gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp", "gpio0_10_grp", "gpio0_12_grp", "gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp", "gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp", "gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp", "gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp", "gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp", "gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp", "gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp", "gpio0_3_grp", "gpio0_5_grp", "gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp", "gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp", "gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp", "gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp", "gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp", "gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp", "gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp", "gpio0_51_grp", "gpio0_53_grp", "sdio0_emio_cd_grp"}; static const char * const sdio0_wp_groups[] = {"gpio0_0_grp", "gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp", "gpio0_10_grp", "gpio0_12_grp", "gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp", "gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp", "gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp", "gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp", "gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp", "gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp", "gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp", "gpio0_3_grp", "gpio0_5_grp", "gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp", "gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp", "gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp", "gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp", "gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp", "gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp", "gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp", "gpio0_51_grp", "gpio0_53_grp", "sdio0_emio_wp_grp"}; static const char * const sdio1_cd_groups[] = {"gpio0_0_grp", "gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp", "gpio0_10_grp", "gpio0_12_grp", "gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp", "gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp", "gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp", "gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp", "gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp", "gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp", "gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp", "gpio0_3_grp", "gpio0_5_grp", "gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp", "gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp", "gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp", "gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp", "gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp", "gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp", "gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp", "gpio0_51_grp", "gpio0_53_grp", "sdio1_emio_cd_grp"}; static const char * const sdio1_wp_groups[] = {"gpio0_0_grp", "gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp", "gpio0_10_grp", "gpio0_12_grp", "gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp", "gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp", "gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp", "gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp", "gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp", "gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp", "gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp", "gpio0_3_grp", "gpio0_5_grp", "gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp", "gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp", "gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp", "gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp", "gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp", "gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp", "gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp", "gpio0_51_grp", "gpio0_53_grp", "sdio1_emio_wp_grp"}; static const char * const smc0_nor_groups[] = {"smc0_nor"}; static const char * const smc0_nor_cs1_groups[] = {"smc0_nor_cs1_grp"}; static const char * const smc0_nor_addr25_groups[] = {"smc0_nor_addr25_grp"}; static const char * const smc0_nand_groups[] = {"smc0_nand"}; static const char * const can0_groups[] = {"can0_0_grp", "can0_1_grp", "can0_2_grp", "can0_3_grp", "can0_4_grp", "can0_5_grp", "can0_6_grp", "can0_7_grp", "can0_8_grp", "can0_9_grp", "can0_10_grp"}; static const char * const can1_groups[] = {"can1_0_grp", "can1_1_grp", "can1_2_grp", "can1_3_grp", "can1_4_grp", "can1_5_grp", "can1_6_grp", "can1_7_grp", "can1_8_grp", "can1_9_grp", "can1_10_grp", "can1_11_grp"}; static const char * const uart0_groups[] = {"uart0_0_grp", "uart0_1_grp", "uart0_2_grp", "uart0_3_grp", "uart0_4_grp", "uart0_5_grp", "uart0_6_grp", "uart0_7_grp", "uart0_8_grp", "uart0_9_grp", "uart0_10_grp"}; static const char * const uart1_groups[] = {"uart1_0_grp", "uart1_1_grp", "uart1_2_grp", "uart1_3_grp", "uart1_4_grp", "uart1_5_grp", "uart1_6_grp", "uart1_7_grp", "uart1_8_grp", "uart1_9_grp", "uart1_10_grp", "uart1_11_grp"}; static const char * const i2c0_groups[] = {"i2c0_0_grp", "i2c0_1_grp", "i2c0_2_grp", "i2c0_3_grp", "i2c0_4_grp", "i2c0_5_grp", "i2c0_6_grp", "i2c0_7_grp", "i2c0_8_grp", "i2c0_9_grp", "i2c0_10_grp"}; static const char * const i2c1_groups[] = {"i2c1_0_grp", "i2c1_1_grp", "i2c1_2_grp", "i2c1_3_grp", "i2c1_4_grp", "i2c1_5_grp", "i2c1_6_grp", "i2c1_7_grp", "i2c1_8_grp", "i2c1_9_grp", "i2c1_10_grp"}; static const char * const ttc0_groups[] = {"ttc0_0_grp", "ttc0_1_grp", "ttc0_2_grp"}; static const char * const ttc1_groups[] = {"ttc1_0_grp", "ttc1_1_grp", "ttc1_2_grp"}; static const char * const swdt0_groups[] = {"swdt0_0_grp", "swdt0_1_grp", "swdt0_2_grp", "swdt0_3_grp", "swdt0_4_grp"}; static const char * const gpio0_groups[] = {"gpio0_0_grp", "gpio0_2_grp", "gpio0_4_grp", "gpio0_6_grp", "gpio0_8_grp", "gpio0_10_grp", "gpio0_12_grp", "gpio0_14_grp", "gpio0_16_grp", "gpio0_18_grp", "gpio0_20_grp", "gpio0_22_grp", "gpio0_24_grp", "gpio0_26_grp", "gpio0_28_grp", "gpio0_30_grp", "gpio0_32_grp", "gpio0_34_grp", "gpio0_36_grp", "gpio0_38_grp", "gpio0_40_grp", "gpio0_42_grp", "gpio0_44_grp", "gpio0_46_grp", "gpio0_48_grp", "gpio0_50_grp", "gpio0_52_grp", "gpio0_1_grp", "gpio0_3_grp", "gpio0_5_grp", "gpio0_7_grp", "gpio0_9_grp", "gpio0_11_grp", "gpio0_13_grp", "gpio0_15_grp", "gpio0_17_grp", "gpio0_19_grp", "gpio0_21_grp", "gpio0_23_grp", "gpio0_25_grp", "gpio0_27_grp", "gpio0_29_grp", "gpio0_31_grp", "gpio0_33_grp", "gpio0_35_grp", "gpio0_37_grp", "gpio0_39_grp", "gpio0_41_grp", "gpio0_43_grp", "gpio0_45_grp", "gpio0_47_grp", "gpio0_49_grp", "gpio0_51_grp", "gpio0_53_grp"}; #define DEFINE_ZYNQ_PINMUX_FUNCTION(fname, mval) \ [ZYNQ_PMUX_##fname] = { \ .name = #fname, \ .groups = fname##_groups, \ .ngroups = ARRAY_SIZE(fname##_groups), \ .mux_val = mval, \ } #define DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(fname, mval, mux, mask, shift) \ [ZYNQ_PMUX_##fname] = { \ .name = #fname, \ .groups = fname##_groups, \ .ngroups = ARRAY_SIZE(fname##_groups), \ .mux_val = mval, \ .mux_mask = mask, \ .mux_shift = shift, \ } #define ZYNQ_SDIO_WP_SHIFT 0 #define ZYNQ_SDIO_WP_MASK (0x3f << ZYNQ_SDIO_WP_SHIFT) #define ZYNQ_SDIO_CD_SHIFT 16 #define ZYNQ_SDIO_CD_MASK (0x3f << ZYNQ_SDIO_CD_SHIFT) static const struct zynq_pinmux_function zynq_pmux_functions[] = { DEFINE_ZYNQ_PINMUX_FUNCTION(ethernet0, 1), DEFINE_ZYNQ_PINMUX_FUNCTION(ethernet1, 1), DEFINE_ZYNQ_PINMUX_FUNCTION(usb0, 2), DEFINE_ZYNQ_PINMUX_FUNCTION(usb1, 2), DEFINE_ZYNQ_PINMUX_FUNCTION(mdio0, 0x40), DEFINE_ZYNQ_PINMUX_FUNCTION(mdio1, 0x50), DEFINE_ZYNQ_PINMUX_FUNCTION(qspi0, 1), DEFINE_ZYNQ_PINMUX_FUNCTION(qspi1, 1), DEFINE_ZYNQ_PINMUX_FUNCTION(qspi_fbclk, 1), DEFINE_ZYNQ_PINMUX_FUNCTION(qspi_cs1, 1), DEFINE_ZYNQ_PINMUX_FUNCTION(spi0, 0x50), DEFINE_ZYNQ_PINMUX_FUNCTION(spi1, 0x50), DEFINE_ZYNQ_PINMUX_FUNCTION(sdio0, 0x40), DEFINE_ZYNQ_PINMUX_FUNCTION(sdio0_pc, 0xc), DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio0_wp, 0, 130, ZYNQ_SDIO_WP_MASK, ZYNQ_SDIO_WP_SHIFT), DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio0_cd, 0, 130, ZYNQ_SDIO_CD_MASK, ZYNQ_SDIO_CD_SHIFT), DEFINE_ZYNQ_PINMUX_FUNCTION(sdio1, 0x40), DEFINE_ZYNQ_PINMUX_FUNCTION(sdio1_pc, 0xc), DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio1_wp, 0, 134, ZYNQ_SDIO_WP_MASK, ZYNQ_SDIO_WP_SHIFT), DEFINE_ZYNQ_PINMUX_FUNCTION_MUX(sdio1_cd, 0, 134, ZYNQ_SDIO_CD_MASK, ZYNQ_SDIO_CD_SHIFT), DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nor, 4), DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nor_cs1, 8), DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nor_addr25, 4), DEFINE_ZYNQ_PINMUX_FUNCTION(smc0_nand, 8), DEFINE_ZYNQ_PINMUX_FUNCTION(can0, 0x10), DEFINE_ZYNQ_PINMUX_FUNCTION(can1, 0x10), DEFINE_ZYNQ_PINMUX_FUNCTION(uart0, 0x70), DEFINE_ZYNQ_PINMUX_FUNCTION(uart1, 0x70), DEFINE_ZYNQ_PINMUX_FUNCTION(i2c0, 0x20), DEFINE_ZYNQ_PINMUX_FUNCTION(i2c1, 0x20), DEFINE_ZYNQ_PINMUX_FUNCTION(ttc0, 0x60), DEFINE_ZYNQ_PINMUX_FUNCTION(ttc1, 0x60), DEFINE_ZYNQ_PINMUX_FUNCTION(swdt0, 0x30), DEFINE_ZYNQ_PINMUX_FUNCTION(gpio0, 0), }; /* pinctrl */ static int zynq_pctrl_get_groups_count(struct pinctrl_dev *pctldev) { struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); return pctrl->ngroups; } static const char *zynq_pctrl_get_group_name(struct pinctrl_dev *pctldev, unsigned selector) { struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); return pctrl->groups[selector].name; } static int zynq_pctrl_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, const unsigned **pins, unsigned *num_pins) { struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); *pins = pctrl->groups[selector].pins; *num_pins = pctrl->groups[selector].npins; return 0; } static const struct pinctrl_ops zynq_pctrl_ops = { .get_groups_count = zynq_pctrl_get_groups_count, .get_group_name = zynq_pctrl_get_group_name, .get_group_pins = zynq_pctrl_get_group_pins, .dt_node_to_map = pinconf_generic_dt_node_to_map_all, .dt_free_map = pinctrl_utils_dt_free_map, }; /* pinmux */ static int zynq_pmux_get_functions_count(struct pinctrl_dev *pctldev) { struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); return pctrl->nfuncs; } static const char *zynq_pmux_get_function_name(struct pinctrl_dev *pctldev, unsigned selector) { struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); return pctrl->funcs[selector].name; } static int zynq_pmux_get_function_groups(struct pinctrl_dev *pctldev, unsigned selector, const char * const **groups, unsigned * const num_groups) { struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); *groups = pctrl->funcs[selector].groups; *num_groups = pctrl->funcs[selector].ngroups; return 0; } static int zynq_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned function, unsigned group) { int i, ret; struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); const struct zynq_pctrl_group *pgrp = &pctrl->groups[group]; const struct zynq_pinmux_function *func = &pctrl->funcs[function]; /* * SD WP & CD are special. They have dedicated registers * to mux them in */ if (function == ZYNQ_PMUX_sdio0_cd || function == ZYNQ_PMUX_sdio0_wp || function == ZYNQ_PMUX_sdio1_cd || function == ZYNQ_PMUX_sdio1_wp) { u32 reg; ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + func->mux, ®); if (ret) return ret; reg &= ~func->mux_mask; reg |= pgrp->pins[0] << func->mux_shift; ret = regmap_write(pctrl->syscon, pctrl->pctrl_offset + func->mux, reg); if (ret) return ret; } else { for (i = 0; i < pgrp->npins; i++) { unsigned int pin = pgrp->pins[i]; u32 reg, addr = pctrl->pctrl_offset + (4 * pin); ret = regmap_read(pctrl->syscon, addr, ®); if (ret) return ret; reg &= ~ZYNQ_PINMUX_MUX_MASK; reg |= func->mux_val << ZYNQ_PINMUX_MUX_SHIFT; ret = regmap_write(pctrl->syscon, addr, reg); if (ret) return ret; } } return 0; } static const struct pinmux_ops zynq_pinmux_ops = { .get_functions_count = zynq_pmux_get_functions_count, .get_function_name = zynq_pmux_get_function_name, .get_function_groups = zynq_pmux_get_function_groups, .set_mux = zynq_pinmux_set_mux, }; /* pinconfig */ #define ZYNQ_PINCONF_TRISTATE BIT(0) #define ZYNQ_PINCONF_SPEED BIT(8) #define ZYNQ_PINCONF_PULLUP BIT(12) #define ZYNQ_PINCONF_DISABLE_RECVR BIT(13) #define ZYNQ_PINCONF_IOTYPE_SHIFT 9 #define ZYNQ_PINCONF_IOTYPE_MASK (7 << ZYNQ_PINCONF_IOTYPE_SHIFT) enum zynq_io_standards { zynq_iostd_min, zynq_iostd_lvcmos18, zynq_iostd_lvcmos25, zynq_iostd_lvcmos33, zynq_iostd_hstl, zynq_iostd_max }; /** * enum zynq_pin_config_param - possible pin configuration parameters * @PIN_CONFIG_IOSTANDARD: if the pin can select an IO standard, the argument to * this parameter (on a custom format) tells the driver which alternative * IO standard to use. */ enum zynq_pin_config_param { PIN_CONFIG_IOSTANDARD = PIN_CONFIG_END + 1, }; static const struct pinconf_generic_params zynq_dt_params[] = { {"io-standard", PIN_CONFIG_IOSTANDARD, zynq_iostd_lvcmos18}, }; #ifdef CONFIG_DEBUG_FS static const struct pin_config_item zynq_conf_items[ARRAY_SIZE(zynq_dt_params)] = { PCONFDUMP(PIN_CONFIG_IOSTANDARD, "IO-standard", NULL, true), }; #endif static unsigned int zynq_pinconf_iostd_get(u32 reg) { return (reg & ZYNQ_PINCONF_IOTYPE_MASK) >> ZYNQ_PINCONF_IOTYPE_SHIFT; } static int zynq_pinconf_cfg_get(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *config) { u32 reg; int ret; unsigned int arg = 0; unsigned int param = pinconf_to_config_param(*config); struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); if (pin >= ZYNQ_NUM_MIOS) return -ENOTSUPP; ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), ®); if (ret) return -EIO; switch (param) { case PIN_CONFIG_BIAS_PULL_UP: if (!(reg & ZYNQ_PINCONF_PULLUP)) return -EINVAL; arg = 1; break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: if (!(reg & ZYNQ_PINCONF_TRISTATE)) return -EINVAL; arg = 1; break; case PIN_CONFIG_BIAS_DISABLE: if (reg & ZYNQ_PINCONF_PULLUP || reg & ZYNQ_PINCONF_TRISTATE) return -EINVAL; break; case PIN_CONFIG_SLEW_RATE: arg = !!(reg & ZYNQ_PINCONF_SPEED); break; case PIN_CONFIG_LOW_POWER_MODE: { enum zynq_io_standards iostd = zynq_pinconf_iostd_get(reg); if (iostd != zynq_iostd_hstl) return -EINVAL; if (!(reg & ZYNQ_PINCONF_DISABLE_RECVR)) return -EINVAL; arg = !!(reg & ZYNQ_PINCONF_DISABLE_RECVR); break; } case PIN_CONFIG_IOSTANDARD: arg = zynq_pinconf_iostd_get(reg); break; default: return -ENOTSUPP; } *config = pinconf_to_config_packed(param, arg); return 0; } static int zynq_pinconf_cfg_set(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *configs, unsigned num_configs) { int i, ret; u32 reg; u32 pullup = 0; u32 tristate = 0; struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); if (pin >= ZYNQ_NUM_MIOS) return -ENOTSUPP; ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), ®); if (ret) return -EIO; for (i = 0; i < num_configs; i++) { unsigned int param = pinconf_to_config_param(configs[i]); unsigned int arg = pinconf_to_config_argument(configs[i]); switch (param) { case PIN_CONFIG_BIAS_PULL_UP: pullup = ZYNQ_PINCONF_PULLUP; break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: tristate = ZYNQ_PINCONF_TRISTATE; break; case PIN_CONFIG_BIAS_DISABLE: reg &= ~(ZYNQ_PINCONF_PULLUP | ZYNQ_PINCONF_TRISTATE); break; case PIN_CONFIG_SLEW_RATE: if (arg) reg |= ZYNQ_PINCONF_SPEED; else reg &= ~ZYNQ_PINCONF_SPEED; break; case PIN_CONFIG_IOSTANDARD: if (arg <= zynq_iostd_min || arg >= zynq_iostd_max) { dev_warn(pctldev->dev, "unsupported IO standard '%u'\n", param); break; } reg &= ~ZYNQ_PINCONF_IOTYPE_MASK; reg |= arg << ZYNQ_PINCONF_IOTYPE_SHIFT; break; case PIN_CONFIG_LOW_POWER_MODE: if (arg) reg |= ZYNQ_PINCONF_DISABLE_RECVR; else reg &= ~ZYNQ_PINCONF_DISABLE_RECVR; break; default: dev_warn(pctldev->dev, "unsupported configuration parameter '%u'\n", param); continue; } } if (tristate || pullup) { reg &= ~(ZYNQ_PINCONF_PULLUP | ZYNQ_PINCONF_TRISTATE); reg |= tristate | pullup; } ret = regmap_write(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), reg); if (ret) return -EIO; return 0; } static int zynq_pinconf_group_set(struct pinctrl_dev *pctldev, unsigned selector, unsigned long *configs, unsigned num_configs) { int i, ret; struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); const struct zynq_pctrl_group *pgrp = &pctrl->groups[selector]; for (i = 0; i < pgrp->npins; i++) { ret = zynq_pinconf_cfg_set(pctldev, pgrp->pins[i], configs, num_configs); if (ret) return ret; } return 0; } static const struct pinconf_ops zynq_pinconf_ops = { .is_generic = true, .pin_config_get = zynq_pinconf_cfg_get, .pin_config_set = zynq_pinconf_cfg_set, .pin_config_group_set = zynq_pinconf_group_set, }; static struct pinctrl_desc zynq_desc = { .name = "zynq_pinctrl", .pins = zynq_pins, .npins = ARRAY_SIZE(zynq_pins), .pctlops = &zynq_pctrl_ops, .pmxops = &zynq_pinmux_ops, .confops = &zynq_pinconf_ops, .num_custom_params = ARRAY_SIZE(zynq_dt_params), .custom_params = zynq_dt_params, #ifdef CONFIG_DEBUG_FS .custom_conf_items = zynq_conf_items, #endif .owner = THIS_MODULE, }; static int zynq_pinctrl_probe(struct platform_device *pdev) { struct resource *res; struct zynq_pinctrl *pctrl; pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) return -ENOMEM; pctrl->syscon = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "syscon"); if (IS_ERR(pctrl->syscon)) { dev_err(&pdev->dev, "unable to get syscon\n"); return PTR_ERR(pctrl->syscon); } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(&pdev->dev, "missing IO resource\n"); return -ENODEV; } pctrl->pctrl_offset = res->start; pctrl->groups = zynq_pctrl_groups; pctrl->ngroups = ARRAY_SIZE(zynq_pctrl_groups); pctrl->funcs = zynq_pmux_functions; pctrl->nfuncs = ARRAY_SIZE(zynq_pmux_functions); pctrl->pctrl = pinctrl_register(&zynq_desc, &pdev->dev, pctrl); if (!pctrl->pctrl) return -ENOMEM; platform_set_drvdata(pdev, pctrl); dev_info(&pdev->dev, "zynq pinctrl initialized\n"); return 0; } int zynq_pinctrl_remove(struct platform_device *pdev) { struct zynq_pinctrl *pctrl = platform_get_drvdata(pdev); pinctrl_unregister(pctrl->pctrl); return 0; } static const struct of_device_id zynq_pinctrl_of_match[] = { { .compatible = "xlnx,pinctrl-zynq" }, { } }; MODULE_DEVICE_TABLE(of, zynq_pinctrl_of_match); static struct platform_driver zynq_pinctrl_driver = { .driver = { .name = "zynq-pinctrl", .of_match_table = zynq_pinctrl_of_match, }, .probe = zynq_pinctrl_probe, .remove = zynq_pinctrl_remove, }; module_platform_driver(zynq_pinctrl_driver); MODULE_AUTHOR("Sören Brinkmann "); MODULE_DESCRIPTION("Xilinx Zynq pinctrl driver"); MODULE_LICENSE("GPL");