/*
* Zynq pin controller
*
* Copyright (C) 2014 Xilinx
*
* Sören Brinkmann <soren.brinkmann@xilinx.com>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <linux/io.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/regmap.h>
#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 <soren.brinkmann@xilinx.com>");
MODULE_DESCRIPTION("Xilinx Zynq pinctrl driver");
MODULE_LICENSE("GPL");