| // SPDX-License-Identifier: GPL-2.0+ |
| // |
| // VF610 pinctrl driver based on imx pinmux and pinconf core |
| // |
| // Copyright 2013 Freescale Semiconductor, Inc. |
| |
| #include <linux/err.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| #include <linux/mod_devicetable.h> |
| #include <linux/platform_device.h> |
| #include <linux/pinctrl/pinctrl.h> |
| |
| #include "pinctrl-imx.h" |
| |
| enum vf610_pads { |
| VF610_PAD_PTA6 = 0, |
| VF610_PAD_PTA8 = 1, |
| VF610_PAD_PTA9 = 2, |
| VF610_PAD_PTA10 = 3, |
| VF610_PAD_PTA11 = 4, |
| VF610_PAD_PTA12 = 5, |
| VF610_PAD_PTA16 = 6, |
| VF610_PAD_PTA17 = 7, |
| VF610_PAD_PTA18 = 8, |
| VF610_PAD_PTA19 = 9, |
| VF610_PAD_PTA20 = 10, |
| VF610_PAD_PTA21 = 11, |
| VF610_PAD_PTA22 = 12, |
| VF610_PAD_PTA23 = 13, |
| VF610_PAD_PTA24 = 14, |
| VF610_PAD_PTA25 = 15, |
| VF610_PAD_PTA26 = 16, |
| VF610_PAD_PTA27 = 17, |
| VF610_PAD_PTA28 = 18, |
| VF610_PAD_PTA29 = 19, |
| VF610_PAD_PTA30 = 20, |
| VF610_PAD_PTA31 = 21, |
| VF610_PAD_PTB0 = 22, |
| VF610_PAD_PTB1 = 23, |
| VF610_PAD_PTB2 = 24, |
| VF610_PAD_PTB3 = 25, |
| VF610_PAD_PTB4 = 26, |
| VF610_PAD_PTB5 = 27, |
| VF610_PAD_PTB6 = 28, |
| VF610_PAD_PTB7 = 29, |
| VF610_PAD_PTB8 = 30, |
| VF610_PAD_PTB9 = 31, |
| VF610_PAD_PTB10 = 32, |
| VF610_PAD_PTB11 = 33, |
| VF610_PAD_PTB12 = 34, |
| VF610_PAD_PTB13 = 35, |
| VF610_PAD_PTB14 = 36, |
| VF610_PAD_PTB15 = 37, |
| VF610_PAD_PTB16 = 38, |
| VF610_PAD_PTB17 = 39, |
| VF610_PAD_PTB18 = 40, |
| VF610_PAD_PTB19 = 41, |
| VF610_PAD_PTB20 = 42, |
| VF610_PAD_PTB21 = 43, |
| VF610_PAD_PTB22 = 44, |
| VF610_PAD_PTC0 = 45, |
| VF610_PAD_PTC1 = 46, |
| VF610_PAD_PTC2 = 47, |
| VF610_PAD_PTC3 = 48, |
| VF610_PAD_PTC4 = 49, |
| VF610_PAD_PTC5 = 50, |
| VF610_PAD_PTC6 = 51, |
| VF610_PAD_PTC7 = 52, |
| VF610_PAD_PTC8 = 53, |
| VF610_PAD_PTC9 = 54, |
| VF610_PAD_PTC10 = 55, |
| VF610_PAD_PTC11 = 56, |
| VF610_PAD_PTC12 = 57, |
| VF610_PAD_PTC13 = 58, |
| VF610_PAD_PTC14 = 59, |
| VF610_PAD_PTC15 = 60, |
| VF610_PAD_PTC16 = 61, |
| VF610_PAD_PTC17 = 62, |
| VF610_PAD_PTD31 = 63, |
| VF610_PAD_PTD30 = 64, |
| VF610_PAD_PTD29 = 65, |
| VF610_PAD_PTD28 = 66, |
| VF610_PAD_PTD27 = 67, |
| VF610_PAD_PTD26 = 68, |
| VF610_PAD_PTD25 = 69, |
| VF610_PAD_PTD24 = 70, |
| VF610_PAD_PTD23 = 71, |
| VF610_PAD_PTD22 = 72, |
| VF610_PAD_PTD21 = 73, |
| VF610_PAD_PTD20 = 74, |
| VF610_PAD_PTD19 = 75, |
| VF610_PAD_PTD18 = 76, |
| VF610_PAD_PTD17 = 77, |
| VF610_PAD_PTD16 = 78, |
| VF610_PAD_PTD0 = 79, |
| VF610_PAD_PTD1 = 80, |
| VF610_PAD_PTD2 = 81, |
| VF610_PAD_PTD3 = 82, |
| VF610_PAD_PTD4 = 83, |
| VF610_PAD_PTD5 = 84, |
| VF610_PAD_PTD6 = 85, |
| VF610_PAD_PTD7 = 86, |
| VF610_PAD_PTD8 = 87, |
| VF610_PAD_PTD9 = 88, |
| VF610_PAD_PTD10 = 89, |
| VF610_PAD_PTD11 = 90, |
| VF610_PAD_PTD12 = 91, |
| VF610_PAD_PTD13 = 92, |
| VF610_PAD_PTB23 = 93, |
| VF610_PAD_PTB24 = 94, |
| VF610_PAD_PTB25 = 95, |
| VF610_PAD_PTB26 = 96, |
| VF610_PAD_PTB27 = 97, |
| VF610_PAD_PTB28 = 98, |
| VF610_PAD_PTC26 = 99, |
| VF610_PAD_PTC27 = 100, |
| VF610_PAD_PTC28 = 101, |
| VF610_PAD_PTC29 = 102, |
| VF610_PAD_PTC30 = 103, |
| VF610_PAD_PTC31 = 104, |
| VF610_PAD_PTE0 = 105, |
| VF610_PAD_PTE1 = 106, |
| VF610_PAD_PTE2 = 107, |
| VF610_PAD_PTE3 = 108, |
| VF610_PAD_PTE4 = 109, |
| VF610_PAD_PTE5 = 110, |
| VF610_PAD_PTE6 = 111, |
| VF610_PAD_PTE7 = 112, |
| VF610_PAD_PTE8 = 113, |
| VF610_PAD_PTE9 = 114, |
| VF610_PAD_PTE10 = 115, |
| VF610_PAD_PTE11 = 116, |
| VF610_PAD_PTE12 = 117, |
| VF610_PAD_PTE13 = 118, |
| VF610_PAD_PTE14 = 119, |
| VF610_PAD_PTE15 = 120, |
| VF610_PAD_PTE16 = 121, |
| VF610_PAD_PTE17 = 122, |
| VF610_PAD_PTE18 = 123, |
| VF610_PAD_PTE19 = 124, |
| VF610_PAD_PTE20 = 125, |
| VF610_PAD_PTE21 = 126, |
| VF610_PAD_PTE22 = 127, |
| VF610_PAD_PTE23 = 128, |
| VF610_PAD_PTE24 = 129, |
| VF610_PAD_PTE25 = 130, |
| VF610_PAD_PTE26 = 131, |
| VF610_PAD_PTE27 = 132, |
| VF610_PAD_PTE28 = 133, |
| VF610_PAD_PTA7 = 134, |
| }; |
| |
| /* Pad names for the pinmux subsystem */ |
| static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = { |
| IMX_PINCTRL_PIN(VF610_PAD_PTA6), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA8), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA9), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA10), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA11), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA12), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA16), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA17), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA18), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA19), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA20), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA21), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA22), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA23), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA24), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA25), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA26), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA27), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA28), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA29), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA30), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA31), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB0), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB1), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB2), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB3), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB4), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB5), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB6), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB7), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB8), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB9), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB10), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB11), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB12), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB13), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB14), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB15), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB16), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB17), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB18), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB19), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB20), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB21), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB22), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC0), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC1), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC2), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC3), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC4), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC5), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC6), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC7), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC8), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC9), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC10), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC11), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC12), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC13), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC14), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC15), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC16), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC17), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD31), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD30), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD29), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD28), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD27), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD26), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD25), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD24), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD23), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD22), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD21), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD20), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD19), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD18), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD17), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD16), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD0), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD1), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD2), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD3), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD4), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD5), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD6), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD7), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD8), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD9), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD10), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD11), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD12), |
| IMX_PINCTRL_PIN(VF610_PAD_PTD13), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB23), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB24), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB25), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB26), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB27), |
| IMX_PINCTRL_PIN(VF610_PAD_PTB28), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC26), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC27), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC28), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC29), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC30), |
| IMX_PINCTRL_PIN(VF610_PAD_PTC31), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE0), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE1), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE2), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE3), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE4), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE5), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE6), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE7), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE8), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE9), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE10), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE11), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE12), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE13), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE14), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE15), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE16), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE17), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE18), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE19), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE20), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE21), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE22), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE23), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE24), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE25), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE26), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE27), |
| IMX_PINCTRL_PIN(VF610_PAD_PTE28), |
| IMX_PINCTRL_PIN(VF610_PAD_PTA7), |
| }; |
| |
| static int vf610_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, |
| struct pinctrl_gpio_range *range, |
| unsigned offset, bool input) |
| { |
| struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); |
| const struct imx_pin_reg *pin_reg; |
| u32 reg; |
| |
| pin_reg = &ipctl->pin_regs[offset]; |
| if (pin_reg->mux_reg == -1) |
| return -EINVAL; |
| |
| /* IBE always enabled allows us to read the value "on the wire" */ |
| reg = readl(ipctl->base + pin_reg->mux_reg); |
| if (input) |
| reg &= ~0x2; |
| else |
| reg |= 0x2; |
| writel(reg, ipctl->base + pin_reg->mux_reg); |
| |
| return 0; |
| } |
| |
| static const struct imx_pinctrl_soc_info vf610_pinctrl_info = { |
| .pins = vf610_pinctrl_pads, |
| .npins = ARRAY_SIZE(vf610_pinctrl_pads), |
| .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID, |
| .gpio_set_direction = vf610_pmx_gpio_set_direction, |
| .mux_mask = 0x700000, |
| .mux_shift = 20, |
| }; |
| |
| static const struct of_device_id vf610_pinctrl_of_match[] = { |
| { .compatible = "fsl,vf610-iomuxc", }, |
| { /* sentinel */ } |
| }; |
| |
| static int vf610_pinctrl_probe(struct platform_device *pdev) |
| { |
| return imx_pinctrl_probe(pdev, &vf610_pinctrl_info); |
| } |
| |
| static struct platform_driver vf610_pinctrl_driver = { |
| .driver = { |
| .name = "vf610-pinctrl", |
| .of_match_table = vf610_pinctrl_of_match, |
| .suppress_bind_attrs = true, |
| }, |
| .probe = vf610_pinctrl_probe, |
| }; |
| |
| static int __init vf610_pinctrl_init(void) |
| { |
| return platform_driver_register(&vf610_pinctrl_driver); |
| } |
| arch_initcall(vf610_pinctrl_init); |
