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linux/drivers/pinctrl/freescale/pinctrl-imx6ul.c
Fabio Estevam 8a83ecd8ec pinctrl: imx: Disallow driver unbind 
Performing the 'unbind' operation on pinctrl drivers is
not a sensible usecase, so pass the suppress_bind_attrs
atribute to prevent it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210328183034.555702-2-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-04-08 16:00:53 +02:00

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// SPDX-License-Identifier: GPL-2.0
//
// Freescale imx6ul pinctrl driver
//
// Author: Anson Huang <Anson.Huang@freescale.com>
// Copyright (C) 2015 Freescale Semiconductor, Inc.
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include "pinctrl-imx.h"
enum imx6ul_pads {
MX6UL_PAD_RESERVE0 = 0,
MX6UL_PAD_RESERVE1 = 1,
MX6UL_PAD_RESERVE2 = 2,
MX6UL_PAD_RESERVE3 = 3,
MX6UL_PAD_RESERVE4 = 4,
MX6UL_PAD_RESERVE5 = 5,
MX6UL_PAD_RESERVE6 = 6,
MX6UL_PAD_RESERVE7 = 7,
MX6UL_PAD_RESERVE8 = 8,
MX6UL_PAD_RESERVE9 = 9,
MX6UL_PAD_RESERVE10 = 10,
MX6UL_PAD_SNVS_TAMPER4 = 11,
MX6UL_PAD_RESERVE12 = 12,
MX6UL_PAD_RESERVE13 = 13,
MX6UL_PAD_RESERVE14 = 14,
MX6UL_PAD_RESERVE15 = 15,
MX6UL_PAD_RESERVE16 = 16,
MX6UL_PAD_JTAG_MOD = 17,
MX6UL_PAD_JTAG_TMS = 18,
MX6UL_PAD_JTAG_TDO = 19,
MX6UL_PAD_JTAG_TDI = 20,
MX6UL_PAD_JTAG_TCK = 21,
MX6UL_PAD_JTAG_TRST_B = 22,
MX6UL_PAD_GPIO1_IO00 = 23,
MX6UL_PAD_GPIO1_IO01 = 24,
MX6UL_PAD_GPIO1_IO02 = 25,
MX6UL_PAD_GPIO1_IO03 = 26,
MX6UL_PAD_GPIO1_IO04 = 27,
MX6UL_PAD_GPIO1_IO05 = 28,
MX6UL_PAD_GPIO1_IO06 = 29,
MX6UL_PAD_GPIO1_IO07 = 30,
MX6UL_PAD_GPIO1_IO08 = 31,
MX6UL_PAD_GPIO1_IO09 = 32,
MX6UL_PAD_UART1_TX_DATA = 33,
MX6UL_PAD_UART1_RX_DATA = 34,
MX6UL_PAD_UART1_CTS_B = 35,
MX6UL_PAD_UART1_RTS_B = 36,
MX6UL_PAD_UART2_TX_DATA = 37,
MX6UL_PAD_UART2_RX_DATA = 38,
MX6UL_PAD_UART2_CTS_B = 39,
MX6UL_PAD_UART2_RTS_B = 40,
MX6UL_PAD_UART3_TX_DATA = 41,
MX6UL_PAD_UART3_RX_DATA = 42,
MX6UL_PAD_UART3_CTS_B = 43,
MX6UL_PAD_UART3_RTS_B = 44,
MX6UL_PAD_UART4_TX_DATA = 45,
MX6UL_PAD_UART4_RX_DATA = 46,
MX6UL_PAD_UART5_TX_DATA = 47,
MX6UL_PAD_UART5_RX_DATA = 48,
MX6UL_PAD_ENET1_RX_DATA0 = 49,
MX6UL_PAD_ENET1_RX_DATA1 = 50,
MX6UL_PAD_ENET1_RX_EN = 51,
MX6UL_PAD_ENET1_TX_DATA0 = 52,
MX6UL_PAD_ENET1_TX_DATA1 = 53,
MX6UL_PAD_ENET1_TX_EN = 54,
MX6UL_PAD_ENET1_TX_CLK = 55,
MX6UL_PAD_ENET1_RX_ER = 56,
MX6UL_PAD_ENET2_RX_DATA0 = 57,
MX6UL_PAD_ENET2_RX_DATA1 = 58,
MX6UL_PAD_ENET2_RX_EN = 59,
MX6UL_PAD_ENET2_TX_DATA0 = 60,
MX6UL_PAD_ENET2_TX_DATA1 = 61,
MX6UL_PAD_ENET2_TX_EN = 62,
MX6UL_PAD_ENET2_TX_CLK = 63,
MX6UL_PAD_ENET2_RX_ER = 64,
MX6UL_PAD_LCD_CLK = 65,
MX6UL_PAD_LCD_ENABLE = 66,
MX6UL_PAD_LCD_HSYNC = 67,
MX6UL_PAD_LCD_VSYNC = 68,
MX6UL_PAD_LCD_RESET = 69,
MX6UL_PAD_LCD_DATA00 = 70,
MX6UL_PAD_LCD_DATA01 = 71,
MX6UL_PAD_LCD_DATA02 = 72,
MX6UL_PAD_LCD_DATA03 = 73,
MX6UL_PAD_LCD_DATA04 = 74,
MX6UL_PAD_LCD_DATA05 = 75,
MX6UL_PAD_LCD_DATA06 = 76,
MX6UL_PAD_LCD_DATA07 = 77,
MX6UL_PAD_LCD_DATA08 = 78,
MX6UL_PAD_LCD_DATA09 = 79,
MX6UL_PAD_LCD_DATA10 = 80,
MX6UL_PAD_LCD_DATA11 = 81,
MX6UL_PAD_LCD_DATA12 = 82,
MX6UL_PAD_LCD_DATA13 = 83,
MX6UL_PAD_LCD_DATA14 = 84,
MX6UL_PAD_LCD_DATA15 = 85,
MX6UL_PAD_LCD_DATA16 = 86,
MX6UL_PAD_LCD_DATA17 = 87,
MX6UL_PAD_LCD_DATA18 = 88,
MX6UL_PAD_LCD_DATA19 = 89,
MX6UL_PAD_LCD_DATA20 = 90,
MX6UL_PAD_LCD_DATA21 = 91,
MX6UL_PAD_LCD_DATA22 = 92,
MX6UL_PAD_LCD_DATA23 = 93,
MX6UL_PAD_NAND_RE_B = 94,
MX6UL_PAD_NAND_WE_B = 95,
MX6UL_PAD_NAND_DATA00 = 96,
MX6UL_PAD_NAND_DATA01 = 97,
MX6UL_PAD_NAND_DATA02 = 98,
MX6UL_PAD_NAND_DATA03 = 99,
MX6UL_PAD_NAND_DATA04 = 100,
MX6UL_PAD_NAND_DATA05 = 101,
MX6UL_PAD_NAND_DATA06 = 102,
MX6UL_PAD_NAND_DATA07 = 103,
MX6UL_PAD_NAND_ALE = 104,
MX6UL_PAD_NAND_WP_B = 105,
MX6UL_PAD_NAND_READY_B = 106,
MX6UL_PAD_NAND_CE0_B = 107,
MX6UL_PAD_NAND_CE1_B = 108,
MX6UL_PAD_NAND_CLE = 109,
MX6UL_PAD_NAND_DQS = 110,
MX6UL_PAD_SD1_CMD = 111,
MX6UL_PAD_SD1_CLK = 112,
MX6UL_PAD_SD1_DATA0 = 113,
MX6UL_PAD_SD1_DATA1 = 114,
MX6UL_PAD_SD1_DATA2 = 115,
MX6UL_PAD_SD1_DATA3 = 116,
MX6UL_PAD_CSI_MCLK = 117,
MX6UL_PAD_CSI_PIXCLK = 118,
MX6UL_PAD_CSI_VSYNC = 119,
MX6UL_PAD_CSI_HSYNC = 120,
MX6UL_PAD_CSI_DATA00 = 121,
MX6UL_PAD_CSI_DATA01 = 122,
MX6UL_PAD_CSI_DATA02 = 123,
MX6UL_PAD_CSI_DATA03 = 124,
MX6UL_PAD_CSI_DATA04 = 125,
MX6UL_PAD_CSI_DATA05 = 126,
MX6UL_PAD_CSI_DATA06 = 127,
MX6UL_PAD_CSI_DATA07 = 128,
};
enum imx6ull_lpsr_pads {
MX6ULL_PAD_BOOT_MODE0 = 0,
MX6ULL_PAD_BOOT_MODE1 = 1,
MX6ULL_PAD_SNVS_TAMPER0 = 2,
MX6ULL_PAD_SNVS_TAMPER1 = 3,
MX6ULL_PAD_SNVS_TAMPER2 = 4,
MX6ULL_PAD_SNVS_TAMPER3 = 5,
MX6ULL_PAD_SNVS_TAMPER4 = 6,
MX6ULL_PAD_SNVS_TAMPER5 = 7,
MX6ULL_PAD_SNVS_TAMPER6 = 8,
MX6ULL_PAD_SNVS_TAMPER7 = 9,
MX6ULL_PAD_SNVS_TAMPER8 = 10,
MX6ULL_PAD_SNVS_TAMPER9 = 11,
};
/* Pad names for the pinmux subsystem */
static const struct pinctrl_pin_desc imx6ul_pinctrl_pads[] = {
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE0),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE1),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE2),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE3),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE4),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE5),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE6),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE7),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE8),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE9),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE10),
IMX_PINCTRL_PIN(MX6UL_PAD_SNVS_TAMPER4),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE12),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE13),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE14),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE15),
IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE16),
IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_MOD),
IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TMS),
IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TDO),
IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TDI),
IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TCK),
IMX_PINCTRL_PIN(MX6UL_PAD_JTAG_TRST_B),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO00),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO01),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO02),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO03),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO04),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO05),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO06),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO07),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO08),
IMX_PINCTRL_PIN(MX6UL_PAD_GPIO1_IO09),
IMX_PINCTRL_PIN(MX6UL_PAD_UART1_TX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART1_RX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART1_CTS_B),
IMX_PINCTRL_PIN(MX6UL_PAD_UART1_RTS_B),
IMX_PINCTRL_PIN(MX6UL_PAD_UART2_TX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART2_RX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART2_CTS_B),
IMX_PINCTRL_PIN(MX6UL_PAD_UART2_RTS_B),
IMX_PINCTRL_PIN(MX6UL_PAD_UART3_TX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART3_RX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART3_CTS_B),
IMX_PINCTRL_PIN(MX6UL_PAD_UART3_RTS_B),
IMX_PINCTRL_PIN(MX6UL_PAD_UART4_TX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART4_RX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART5_TX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_UART5_RX_DATA),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_DATA0),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_DATA1),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_EN),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_DATA0),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_DATA1),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_EN),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_TX_CLK),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET1_RX_ER),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_DATA0),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_DATA1),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_EN),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_DATA0),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_DATA1),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_EN),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_TX_CLK),
IMX_PINCTRL_PIN(MX6UL_PAD_ENET2_RX_ER),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_CLK),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_ENABLE),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_HSYNC),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_VSYNC),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_RESET),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA00),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA01),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA02),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA03),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA04),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA05),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA06),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA07),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA08),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA09),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA10),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA11),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA12),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA13),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA14),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA15),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA16),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA17),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA18),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA19),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA20),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA21),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA22),
IMX_PINCTRL_PIN(MX6UL_PAD_LCD_DATA23),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_RE_B),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_WE_B),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA00),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA01),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA02),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA03),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA04),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA05),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA06),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DATA07),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_ALE),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_WP_B),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_READY_B),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_CE0_B),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_CE1_B),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_CLE),
IMX_PINCTRL_PIN(MX6UL_PAD_NAND_DQS),
IMX_PINCTRL_PIN(MX6UL_PAD_SD1_CMD),
IMX_PINCTRL_PIN(MX6UL_PAD_SD1_CLK),
IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA0),
IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA1),
IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA2),
IMX_PINCTRL_PIN(MX6UL_PAD_SD1_DATA3),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_MCLK),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_PIXCLK),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_VSYNC),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_HSYNC),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA00),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA01),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA02),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA03),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA04),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA05),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA06),
IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA07),
};
/* pad for i.MX6ULL lpsr pinmux */
static const struct pinctrl_pin_desc imx6ull_snvs_pinctrl_pads[] = {
IMX_PINCTRL_PIN(MX6ULL_PAD_BOOT_MODE0),
IMX_PINCTRL_PIN(MX6ULL_PAD_BOOT_MODE1),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER0),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER1),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER2),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER3),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER4),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER5),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER6),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER7),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER8),
IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER9),
};
static const struct imx_pinctrl_soc_info imx6ul_pinctrl_info = {
.pins = imx6ul_pinctrl_pads,
.npins = ARRAY_SIZE(imx6ul_pinctrl_pads),
.gpr_compatible = "fsl,imx6ul-iomuxc-gpr",
};
static const struct imx_pinctrl_soc_info imx6ull_snvs_pinctrl_info = {
.pins = imx6ull_snvs_pinctrl_pads,
.npins = ARRAY_SIZE(imx6ull_snvs_pinctrl_pads),
.flags = ZERO_OFFSET_VALID,
};
static const struct of_device_id imx6ul_pinctrl_of_match[] = {
{ .compatible = "fsl,imx6ul-iomuxc", .data = &imx6ul_pinctrl_info, },
{ .compatible = "fsl,imx6ull-iomuxc-snvs", .data = &imx6ull_snvs_pinctrl_info, },
{ /* sentinel */ }
};
static int imx6ul_pinctrl_probe(struct platform_device *pdev)
{
const struct imx_pinctrl_soc_info *pinctrl_info;
pinctrl_info = of_device_get_match_data(&pdev->dev);
if (!pinctrl_info)
return -ENODEV;
return imx_pinctrl_probe(pdev, pinctrl_info);
}
static struct platform_driver imx6ul_pinctrl_driver = {
.driver = {
.name = "imx6ul-pinctrl",
.of_match_table = imx6ul_pinctrl_of_match,
.suppress_bind_attrs = true,
},
.probe = imx6ul_pinctrl_probe,
};
static int __init imx6ul_pinctrl_init(void)
{
return platform_driver_register(&imx6ul_pinctrl_driver);
}
arch_initcall(imx6ul_pinctrl_init);
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