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0001 // SPDX-License-Identifier: GPL-2.0
0002 //
0003 // imx25 pinctrl driver.
0004 //
0005 // Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
0006 //
0007 // This driver was mostly copied from the imx51 pinctrl driver which has:
0008 //
0009 // Copyright (C) 2012 Freescale Semiconductor, Inc.
0010 // Copyright (C) 2012 Linaro, Inc.
0011 //
0012 // Author: Denis Carikli <denis@eukrea.com>
0013 
0014 #include <linux/err.h>
0015 #include <linux/init.h>
0016 #include <linux/io.h>
0017 #include <linux/of.h>
0018 #include <linux/of_device.h>
0019 #include <linux/pinctrl/pinctrl.h>
0020 
0021 #include "pinctrl-imx.h"
0022 
0023 enum imx25_pads {
0024     MX25_PAD_RESERVE0 = 0,
0025     MX25_PAD_RESERVE1 = 1,
0026     MX25_PAD_A10 = 2,
0027     MX25_PAD_A13 = 3,
0028     MX25_PAD_A14 = 4,
0029     MX25_PAD_A15 = 5,
0030     MX25_PAD_A16 = 6,
0031     MX25_PAD_A17 = 7,
0032     MX25_PAD_A18 = 8,
0033     MX25_PAD_A19 = 9,
0034     MX25_PAD_A20 = 10,
0035     MX25_PAD_A21 = 11,
0036     MX25_PAD_A22 = 12,
0037     MX25_PAD_A23 = 13,
0038     MX25_PAD_A24 = 14,
0039     MX25_PAD_A25 = 15,
0040     MX25_PAD_EB0 = 16,
0041     MX25_PAD_EB1 = 17,
0042     MX25_PAD_OE = 18,
0043     MX25_PAD_CS0 = 19,
0044     MX25_PAD_CS1 = 20,
0045     MX25_PAD_CS4 = 21,
0046     MX25_PAD_CS5 = 22,
0047     MX25_PAD_NF_CE0 = 23,
0048     MX25_PAD_ECB = 24,
0049     MX25_PAD_LBA = 25,
0050     MX25_PAD_BCLK = 26,
0051     MX25_PAD_RW = 27,
0052     MX25_PAD_NFWE_B = 28,
0053     MX25_PAD_NFRE_B = 29,
0054     MX25_PAD_NFALE = 30,
0055     MX25_PAD_NFCLE = 31,
0056     MX25_PAD_NFWP_B = 32,
0057     MX25_PAD_NFRB = 33,
0058     MX25_PAD_D15 = 34,
0059     MX25_PAD_D14 = 35,
0060     MX25_PAD_D13 = 36,
0061     MX25_PAD_D12 = 37,
0062     MX25_PAD_D11 = 38,
0063     MX25_PAD_D10 = 39,
0064     MX25_PAD_D9 = 40,
0065     MX25_PAD_D8 = 41,
0066     MX25_PAD_D7 = 42,
0067     MX25_PAD_D6 = 43,
0068     MX25_PAD_D5 = 44,
0069     MX25_PAD_D4 = 45,
0070     MX25_PAD_D3 = 46,
0071     MX25_PAD_D2 = 47,
0072     MX25_PAD_D1 = 48,
0073     MX25_PAD_D0 = 49,
0074     MX25_PAD_LD0 = 50,
0075     MX25_PAD_LD1 = 51,
0076     MX25_PAD_LD2 = 52,
0077     MX25_PAD_LD3 = 53,
0078     MX25_PAD_LD4 = 54,
0079     MX25_PAD_LD5 = 55,
0080     MX25_PAD_LD6 = 56,
0081     MX25_PAD_LD7 = 57,
0082     MX25_PAD_LD8 = 58,
0083     MX25_PAD_LD9 = 59,
0084     MX25_PAD_LD10 = 60,
0085     MX25_PAD_LD11 = 61,
0086     MX25_PAD_LD12 = 62,
0087     MX25_PAD_LD13 = 63,
0088     MX25_PAD_LD14 = 64,
0089     MX25_PAD_LD15 = 65,
0090     MX25_PAD_HSYNC = 66,
0091     MX25_PAD_VSYNC = 67,
0092     MX25_PAD_LSCLK = 68,
0093     MX25_PAD_OE_ACD = 69,
0094     MX25_PAD_CONTRAST = 70,
0095     MX25_PAD_PWM = 71,
0096     MX25_PAD_CSI_D2 = 72,
0097     MX25_PAD_CSI_D3 = 73,
0098     MX25_PAD_CSI_D4 = 74,
0099     MX25_PAD_CSI_D5 = 75,
0100     MX25_PAD_CSI_D6 = 76,
0101     MX25_PAD_CSI_D7 = 77,
0102     MX25_PAD_CSI_D8 = 78,
0103     MX25_PAD_CSI_D9 = 79,
0104     MX25_PAD_CSI_MCLK = 80,
0105     MX25_PAD_CSI_VSYNC = 81,
0106     MX25_PAD_CSI_HSYNC = 82,
0107     MX25_PAD_CSI_PIXCLK = 83,
0108     MX25_PAD_I2C1_CLK = 84,
0109     MX25_PAD_I2C1_DAT = 85,
0110     MX25_PAD_CSPI1_MOSI = 86,
0111     MX25_PAD_CSPI1_MISO = 87,
0112     MX25_PAD_CSPI1_SS0 = 88,
0113     MX25_PAD_CSPI1_SS1 = 89,
0114     MX25_PAD_CSPI1_SCLK = 90,
0115     MX25_PAD_CSPI1_RDY = 91,
0116     MX25_PAD_UART1_RXD = 92,
0117     MX25_PAD_UART1_TXD = 93,
0118     MX25_PAD_UART1_RTS = 94,
0119     MX25_PAD_UART1_CTS = 95,
0120     MX25_PAD_UART2_RXD = 96,
0121     MX25_PAD_UART2_TXD = 97,
0122     MX25_PAD_UART2_RTS = 98,
0123     MX25_PAD_UART2_CTS = 99,
0124     MX25_PAD_SD1_CMD = 100,
0125     MX25_PAD_SD1_CLK = 101,
0126     MX25_PAD_SD1_DATA0 = 102,
0127     MX25_PAD_SD1_DATA1 = 103,
0128     MX25_PAD_SD1_DATA2 = 104,
0129     MX25_PAD_SD1_DATA3 = 105,
0130     MX25_PAD_KPP_ROW0 = 106,
0131     MX25_PAD_KPP_ROW1 = 107,
0132     MX25_PAD_KPP_ROW2 = 108,
0133     MX25_PAD_KPP_ROW3 = 109,
0134     MX25_PAD_KPP_COL0 = 110,
0135     MX25_PAD_KPP_COL1 = 111,
0136     MX25_PAD_KPP_COL2 = 112,
0137     MX25_PAD_KPP_COL3 = 113,
0138     MX25_PAD_FEC_MDC = 114,
0139     MX25_PAD_FEC_MDIO = 115,
0140     MX25_PAD_FEC_TDATA0 = 116,
0141     MX25_PAD_FEC_TDATA1 = 117,
0142     MX25_PAD_FEC_TX_EN = 118,
0143     MX25_PAD_FEC_RDATA0 = 119,
0144     MX25_PAD_FEC_RDATA1 = 120,
0145     MX25_PAD_FEC_RX_DV = 121,
0146     MX25_PAD_FEC_TX_CLK = 122,
0147     MX25_PAD_RTCK = 123,
0148     MX25_PAD_DE_B = 124,
0149     MX25_PAD_GPIO_A = 125,
0150     MX25_PAD_GPIO_B = 126,
0151     MX25_PAD_GPIO_C = 127,
0152     MX25_PAD_GPIO_D = 128,
0153     MX25_PAD_GPIO_E = 129,
0154     MX25_PAD_GPIO_F = 130,
0155     MX25_PAD_EXT_ARMCLK = 131,
0156     MX25_PAD_UPLL_BYPCLK = 132,
0157     MX25_PAD_VSTBY_REQ = 133,
0158     MX25_PAD_VSTBY_ACK = 134,
0159     MX25_PAD_POWER_FAIL  = 135,
0160     MX25_PAD_CLKO = 136,
0161     MX25_PAD_BOOT_MODE0 = 137,
0162     MX25_PAD_BOOT_MODE1 = 138,
0163 };
0164 
0165 /* Pad names for the pinmux subsystem */
0166 static const struct pinctrl_pin_desc imx25_pinctrl_pads[] = {
0167     IMX_PINCTRL_PIN(MX25_PAD_RESERVE0),
0168     IMX_PINCTRL_PIN(MX25_PAD_RESERVE1),
0169     IMX_PINCTRL_PIN(MX25_PAD_A10),
0170     IMX_PINCTRL_PIN(MX25_PAD_A13),
0171     IMX_PINCTRL_PIN(MX25_PAD_A14),
0172     IMX_PINCTRL_PIN(MX25_PAD_A15),
0173     IMX_PINCTRL_PIN(MX25_PAD_A16),
0174     IMX_PINCTRL_PIN(MX25_PAD_A17),
0175     IMX_PINCTRL_PIN(MX25_PAD_A18),
0176     IMX_PINCTRL_PIN(MX25_PAD_A19),
0177     IMX_PINCTRL_PIN(MX25_PAD_A20),
0178     IMX_PINCTRL_PIN(MX25_PAD_A21),
0179     IMX_PINCTRL_PIN(MX25_PAD_A22),
0180     IMX_PINCTRL_PIN(MX25_PAD_A23),
0181     IMX_PINCTRL_PIN(MX25_PAD_A24),
0182     IMX_PINCTRL_PIN(MX25_PAD_A25),
0183     IMX_PINCTRL_PIN(MX25_PAD_EB0),
0184     IMX_PINCTRL_PIN(MX25_PAD_EB1),
0185     IMX_PINCTRL_PIN(MX25_PAD_OE),
0186     IMX_PINCTRL_PIN(MX25_PAD_CS0),
0187     IMX_PINCTRL_PIN(MX25_PAD_CS1),
0188     IMX_PINCTRL_PIN(MX25_PAD_CS4),
0189     IMX_PINCTRL_PIN(MX25_PAD_CS5),
0190     IMX_PINCTRL_PIN(MX25_PAD_NF_CE0),
0191     IMX_PINCTRL_PIN(MX25_PAD_ECB),
0192     IMX_PINCTRL_PIN(MX25_PAD_LBA),
0193     IMX_PINCTRL_PIN(MX25_PAD_BCLK),
0194     IMX_PINCTRL_PIN(MX25_PAD_RW),
0195     IMX_PINCTRL_PIN(MX25_PAD_NFWE_B),
0196     IMX_PINCTRL_PIN(MX25_PAD_NFRE_B),
0197     IMX_PINCTRL_PIN(MX25_PAD_NFALE),
0198     IMX_PINCTRL_PIN(MX25_PAD_NFCLE),
0199     IMX_PINCTRL_PIN(MX25_PAD_NFWP_B),
0200     IMX_PINCTRL_PIN(MX25_PAD_NFRB),
0201     IMX_PINCTRL_PIN(MX25_PAD_D15),
0202     IMX_PINCTRL_PIN(MX25_PAD_D14),
0203     IMX_PINCTRL_PIN(MX25_PAD_D13),
0204     IMX_PINCTRL_PIN(MX25_PAD_D12),
0205     IMX_PINCTRL_PIN(MX25_PAD_D11),
0206     IMX_PINCTRL_PIN(MX25_PAD_D10),
0207     IMX_PINCTRL_PIN(MX25_PAD_D9),
0208     IMX_PINCTRL_PIN(MX25_PAD_D8),
0209     IMX_PINCTRL_PIN(MX25_PAD_D7),
0210     IMX_PINCTRL_PIN(MX25_PAD_D6),
0211     IMX_PINCTRL_PIN(MX25_PAD_D5),
0212     IMX_PINCTRL_PIN(MX25_PAD_D4),
0213     IMX_PINCTRL_PIN(MX25_PAD_D3),
0214     IMX_PINCTRL_PIN(MX25_PAD_D2),
0215     IMX_PINCTRL_PIN(MX25_PAD_D1),
0216     IMX_PINCTRL_PIN(MX25_PAD_D0),
0217     IMX_PINCTRL_PIN(MX25_PAD_LD0),
0218     IMX_PINCTRL_PIN(MX25_PAD_LD1),
0219     IMX_PINCTRL_PIN(MX25_PAD_LD2),
0220     IMX_PINCTRL_PIN(MX25_PAD_LD3),
0221     IMX_PINCTRL_PIN(MX25_PAD_LD4),
0222     IMX_PINCTRL_PIN(MX25_PAD_LD5),
0223     IMX_PINCTRL_PIN(MX25_PAD_LD6),
0224     IMX_PINCTRL_PIN(MX25_PAD_LD7),
0225     IMX_PINCTRL_PIN(MX25_PAD_LD8),
0226     IMX_PINCTRL_PIN(MX25_PAD_LD9),
0227     IMX_PINCTRL_PIN(MX25_PAD_LD10),
0228     IMX_PINCTRL_PIN(MX25_PAD_LD11),
0229     IMX_PINCTRL_PIN(MX25_PAD_LD12),
0230     IMX_PINCTRL_PIN(MX25_PAD_LD13),
0231     IMX_PINCTRL_PIN(MX25_PAD_LD14),
0232     IMX_PINCTRL_PIN(MX25_PAD_LD15),
0233     IMX_PINCTRL_PIN(MX25_PAD_HSYNC),
0234     IMX_PINCTRL_PIN(MX25_PAD_VSYNC),
0235     IMX_PINCTRL_PIN(MX25_PAD_LSCLK),
0236     IMX_PINCTRL_PIN(MX25_PAD_OE_ACD),
0237     IMX_PINCTRL_PIN(MX25_PAD_CONTRAST),
0238     IMX_PINCTRL_PIN(MX25_PAD_PWM),
0239     IMX_PINCTRL_PIN(MX25_PAD_CSI_D2),
0240     IMX_PINCTRL_PIN(MX25_PAD_CSI_D3),
0241     IMX_PINCTRL_PIN(MX25_PAD_CSI_D4),
0242     IMX_PINCTRL_PIN(MX25_PAD_CSI_D5),
0243     IMX_PINCTRL_PIN(MX25_PAD_CSI_D6),
0244     IMX_PINCTRL_PIN(MX25_PAD_CSI_D7),
0245     IMX_PINCTRL_PIN(MX25_PAD_CSI_D8),
0246     IMX_PINCTRL_PIN(MX25_PAD_CSI_D9),
0247     IMX_PINCTRL_PIN(MX25_PAD_CSI_MCLK),
0248     IMX_PINCTRL_PIN(MX25_PAD_CSI_VSYNC),
0249     IMX_PINCTRL_PIN(MX25_PAD_CSI_HSYNC),
0250     IMX_PINCTRL_PIN(MX25_PAD_CSI_PIXCLK),
0251     IMX_PINCTRL_PIN(MX25_PAD_I2C1_CLK),
0252     IMX_PINCTRL_PIN(MX25_PAD_I2C1_DAT),
0253     IMX_PINCTRL_PIN(MX25_PAD_CSPI1_MOSI),
0254     IMX_PINCTRL_PIN(MX25_PAD_CSPI1_MISO),
0255     IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SS0),
0256     IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SS1),
0257     IMX_PINCTRL_PIN(MX25_PAD_CSPI1_SCLK),
0258     IMX_PINCTRL_PIN(MX25_PAD_CSPI1_RDY),
0259     IMX_PINCTRL_PIN(MX25_PAD_UART1_RXD),
0260     IMX_PINCTRL_PIN(MX25_PAD_UART1_TXD),
0261     IMX_PINCTRL_PIN(MX25_PAD_UART1_RTS),
0262     IMX_PINCTRL_PIN(MX25_PAD_UART1_CTS),
0263     IMX_PINCTRL_PIN(MX25_PAD_UART2_RXD),
0264     IMX_PINCTRL_PIN(MX25_PAD_UART2_TXD),
0265     IMX_PINCTRL_PIN(MX25_PAD_UART2_RTS),
0266     IMX_PINCTRL_PIN(MX25_PAD_UART2_CTS),
0267     IMX_PINCTRL_PIN(MX25_PAD_SD1_CMD),
0268     IMX_PINCTRL_PIN(MX25_PAD_SD1_CLK),
0269     IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA0),
0270     IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA1),
0271     IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA2),
0272     IMX_PINCTRL_PIN(MX25_PAD_SD1_DATA3),
0273     IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW0),
0274     IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW1),
0275     IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW2),
0276     IMX_PINCTRL_PIN(MX25_PAD_KPP_ROW3),
0277     IMX_PINCTRL_PIN(MX25_PAD_KPP_COL0),
0278     IMX_PINCTRL_PIN(MX25_PAD_KPP_COL1),
0279     IMX_PINCTRL_PIN(MX25_PAD_KPP_COL2),
0280     IMX_PINCTRL_PIN(MX25_PAD_KPP_COL3),
0281     IMX_PINCTRL_PIN(MX25_PAD_FEC_MDC),
0282     IMX_PINCTRL_PIN(MX25_PAD_FEC_MDIO),
0283     IMX_PINCTRL_PIN(MX25_PAD_FEC_TDATA0),
0284     IMX_PINCTRL_PIN(MX25_PAD_FEC_TDATA1),
0285     IMX_PINCTRL_PIN(MX25_PAD_FEC_TX_EN),
0286     IMX_PINCTRL_PIN(MX25_PAD_FEC_RDATA0),
0287     IMX_PINCTRL_PIN(MX25_PAD_FEC_RDATA1),
0288     IMX_PINCTRL_PIN(MX25_PAD_FEC_RX_DV),
0289     IMX_PINCTRL_PIN(MX25_PAD_FEC_TX_CLK),
0290     IMX_PINCTRL_PIN(MX25_PAD_RTCK),
0291     IMX_PINCTRL_PIN(MX25_PAD_DE_B),
0292     IMX_PINCTRL_PIN(MX25_PAD_GPIO_A),
0293     IMX_PINCTRL_PIN(MX25_PAD_GPIO_B),
0294     IMX_PINCTRL_PIN(MX25_PAD_GPIO_C),
0295     IMX_PINCTRL_PIN(MX25_PAD_GPIO_D),
0296     IMX_PINCTRL_PIN(MX25_PAD_GPIO_E),
0297     IMX_PINCTRL_PIN(MX25_PAD_GPIO_F),
0298     IMX_PINCTRL_PIN(MX25_PAD_EXT_ARMCLK),
0299     IMX_PINCTRL_PIN(MX25_PAD_UPLL_BYPCLK),
0300     IMX_PINCTRL_PIN(MX25_PAD_VSTBY_REQ),
0301     IMX_PINCTRL_PIN(MX25_PAD_VSTBY_ACK),
0302     IMX_PINCTRL_PIN(MX25_PAD_POWER_FAIL),
0303     IMX_PINCTRL_PIN(MX25_PAD_CLKO),
0304     IMX_PINCTRL_PIN(MX25_PAD_BOOT_MODE0),
0305     IMX_PINCTRL_PIN(MX25_PAD_BOOT_MODE1),
0306 };
0307 
0308 static const struct imx_pinctrl_soc_info imx25_pinctrl_info = {
0309     .pins = imx25_pinctrl_pads,
0310     .npins = ARRAY_SIZE(imx25_pinctrl_pads),
0311 };
0312 
0313 static const struct of_device_id imx25_pinctrl_of_match[] = {
0314     { .compatible = "fsl,imx25-iomuxc", },
0315     { /* sentinel */ }
0316 };
0317 
0318 static int imx25_pinctrl_probe(struct platform_device *pdev)
0319 {
0320     return imx_pinctrl_probe(pdev, &imx25_pinctrl_info);
0321 }
0322 
0323 static struct platform_driver imx25_pinctrl_driver = {
0324     .driver = {
0325         .name = "imx25-pinctrl",
0326         .of_match_table = imx25_pinctrl_of_match,
0327         .suppress_bind_attrs = true,
0328     },
0329     .probe = imx25_pinctrl_probe,
0330 };
0331 
0332 static int __init imx25_pinctrl_init(void)
0333 {
0334     return platform_driver_register(&imx25_pinctrl_driver);
0335 }
0336 arch_initcall(imx25_pinctrl_init);
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