| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Walleij | 5919 | 98.50% | 7 | 35.00% |
| Sherman Yin | 27 | 0.45% | 1 | 5.00% |
| Rajendra Nayak | 20 | 0.33% | 1 | 5.00% |
| Thierry Reding | 9 | 0.15% | 1 | 5.00% |
| Masahiro Yamada | 9 | 0.15% | 1 | 5.00% |
| Viresh Kumar | 8 | 0.13% | 1 | 5.00% |
| Laxman Dewangan | 4 | 0.07% | 1 | 5.00% |
| Laurent Pinchart | 3 | 0.05% | 1 | 5.00% |
| Randy Dunlap | 3 | 0.05% | 1 | 5.00% |
| Axel Lin | 2 | 0.03% | 1 | 5.00% |
| Yue haibing | 2 | 0.03% | 1 | 5.00% |
| Ben Dooks | 1 | 0.02% | 1 | 5.00% |
| Stephen Warren | 1 | 0.02% | 1 | 5.00% |
| Thomas Gleixner | 1 | 0.02% | 1 | 5.00% |
| Total | 6009 | 20 |
// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the U300 pin controller * * Based on the original U300 padmux functions * Copyright (C) 2009-2011 ST-Ericsson AB * Author: Martin Persson <martin.persson@stericsson.com> * Author: Linus Walleij <linus.walleij@linaro.org> * * The DB3350 design and control registers are oriented around pads rather than * pins, so we enumerate the pads we can mux rather than actual pins. The pads * are connected to different pins in different packaging types, so it would * be confusing. */ #include <linux/init.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinconf-generic.h> #include "pinctrl-coh901.h" /* * Register definitions for the U300 Padmux control registers in the * system controller */ /* PAD MUX Control register 1 (LOW) 16bit (R/W) */ #define U300_SYSCON_PMC1LR 0x007C #define U300_SYSCON_PMC1LR_MASK 0xFFFF #define U300_SYSCON_PMC1LR_CDI_MASK 0xC000 #define U300_SYSCON_PMC1LR_CDI_CDI 0x0000 #define U300_SYSCON_PMC1LR_CDI_EMIF 0x4000 /* For BS335 */ #define U300_SYSCON_PMC1LR_CDI_CDI2 0x8000 #define U300_SYSCON_PMC1LR_CDI_WCDMA_APP_GPIO 0xC000 /* For BS365 */ #define U300_SYSCON_PMC1LR_CDI_GPIO 0x8000 #define U300_SYSCON_PMC1LR_CDI_WCDMA 0xC000 /* Common defs */ #define U300_SYSCON_PMC1LR_PDI_MASK 0x3000 #define U300_SYSCON_PMC1LR_PDI_PDI 0x0000 #define U300_SYSCON_PMC1LR_PDI_EGG 0x1000 #define U300_SYSCON_PMC1LR_PDI_WCDMA 0x3000 #define U300_SYSCON_PMC1LR_MMCSD_MASK 0x0C00 #define U300_SYSCON_PMC1LR_MMCSD_MMCSD 0x0000 #define U300_SYSCON_PMC1LR_MMCSD_MSPRO 0x0400 #define U300_SYSCON_PMC1LR_MMCSD_DSP 0x0800 #define U300_SYSCON_PMC1LR_MMCSD_WCDMA 0x0C00 #define U300_SYSCON_PMC1LR_ETM_MASK 0x0300 #define U300_SYSCON_PMC1LR_ETM_ACC 0x0000 #define U300_SYSCON_PMC1LR_ETM_APP 0x0100 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK 0x00C0 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC 0x0000 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_NFIF 0x0040 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM 0x0080 #define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC_2GB 0x00C0 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK 0x0030 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC 0x0000 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_NFIF 0x0010 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_SDRAM 0x0020 #define U300_SYSCON_PMC1LR_EMIF_1_CS1_SEMI 0x0030 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_MASK 0x000C #define U300_SYSCON_PMC1LR_EMIF_1_CS0_STATIC 0x0000 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_NFIF 0x0004 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_SDRAM 0x0008 #define U300_SYSCON_PMC1LR_EMIF_1_CS0_SEMI 0x000C #define U300_SYSCON_PMC1LR_EMIF_1_MASK 0x0003 #define U300_SYSCON_PMC1LR_EMIF_1_STATIC 0x0000 #define U300_SYSCON_PMC1LR_EMIF_1_SDRAM0 0x0001 #define U300_SYSCON_PMC1LR_EMIF_1_SDRAM1 0x0002 #define U300_SYSCON_PMC1LR_EMIF_1 0x0003 /* PAD MUX Control register 2 (HIGH) 16bit (R/W) */ #define U300_SYSCON_PMC1HR 0x007E #define U300_SYSCON_PMC1HR_MASK 0xFFFF #define U300_SYSCON_PMC1HR_MISC_2_MASK 0xC000 #define U300_SYSCON_PMC1HR_MISC_2_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_MISC_2_MSPRO 0x4000 #define U300_SYSCON_PMC1HR_MISC_2_DSP 0x8000 #define U300_SYSCON_PMC1HR_MISC_2_AAIF 0xC000 #define U300_SYSCON_PMC1HR_APP_GPIO_2_MASK 0x3000 #define U300_SYSCON_PMC1HR_APP_GPIO_2_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_GPIO_2_NFIF 0x1000 #define U300_SYSCON_PMC1HR_APP_GPIO_2_DSP 0x2000 #define U300_SYSCON_PMC1HR_APP_GPIO_2_AAIF 0x3000 #define U300_SYSCON_PMC1HR_APP_GPIO_1_MASK 0x0C00 #define U300_SYSCON_PMC1HR_APP_GPIO_1_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_GPIO_1_MMC 0x0400 #define U300_SYSCON_PMC1HR_APP_GPIO_1_DSP 0x0800 #define U300_SYSCON_PMC1HR_APP_GPIO_1_AAIF 0x0C00 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK 0x0300 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI 0x0100 #define U300_SYSCON_PMC1HR_APP_SPI_CS_2_AAIF 0x0300 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK 0x00C0 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI 0x0040 #define U300_SYSCON_PMC1HR_APP_SPI_CS_1_AAIF 0x00C0 #define U300_SYSCON_PMC1HR_APP_SPI_2_MASK 0x0030 #define U300_SYSCON_PMC1HR_APP_SPI_2_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_SPI_2_SPI 0x0010 #define U300_SYSCON_PMC1HR_APP_SPI_2_DSP 0x0020 #define U300_SYSCON_PMC1HR_APP_SPI_2_AAIF 0x0030 #define U300_SYSCON_PMC1HR_APP_UART0_2_MASK 0x000C #define U300_SYSCON_PMC1HR_APP_UART0_2_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_UART0_2_UART0 0x0004 #define U300_SYSCON_PMC1HR_APP_UART0_2_NFIF_CS 0x0008 #define U300_SYSCON_PMC1HR_APP_UART0_2_AAIF 0x000C #define U300_SYSCON_PMC1HR_APP_UART0_1_MASK 0x0003 #define U300_SYSCON_PMC1HR_APP_UART0_1_APP_GPIO 0x0000 #define U300_SYSCON_PMC1HR_APP_UART0_1_UART0 0x0001 #define U300_SYSCON_PMC1HR_APP_UART0_1_AAIF 0x0003 /* Padmux 2 control */ #define U300_SYSCON_PMC2R 0x100 #define U300_SYSCON_PMC2R_APP_MISC_0_MASK 0x00C0 #define U300_SYSCON_PMC2R_APP_MISC_0_APP_GPIO 0x0000 #define U300_SYSCON_PMC2R_APP_MISC_0_EMIF_SDRAM 0x0040 #define U300_SYSCON_PMC2R_APP_MISC_0_MMC 0x0080 #define U300_SYSCON_PMC2R_APP_MISC_0_CDI2 0x00C0 #define U300_SYSCON_PMC2R_APP_MISC_1_MASK 0x0300 #define U300_SYSCON_PMC2R_APP_MISC_1_APP_GPIO 0x0000 #define U300_SYSCON_PMC2R_APP_MISC_1_EMIF_SDRAM 0x0100 #define U300_SYSCON_PMC2R_APP_MISC_1_MMC 0x0200 #define U300_SYSCON_PMC2R_APP_MISC_1_CDI2 0x0300 #define U300_SYSCON_PMC2R_APP_MISC_2_MASK 0x0C00 #define U300_SYSCON_PMC2R_APP_MISC_2_APP_GPIO 0x0000 #define U300_SYSCON_PMC2R_APP_MISC_2_EMIF_SDRAM 0x0400 #define U300_SYSCON_PMC2R_APP_MISC_2_MMC 0x0800 #define U300_SYSCON_PMC2R_APP_MISC_2_CDI2 0x0C00 #define U300_SYSCON_PMC2R_APP_MISC_3_MASK 0x3000 #define U300_SYSCON_PMC2R_APP_MISC_3_APP_GPIO 0x0000 #define U300_SYSCON_PMC2R_APP_MISC_3_EMIF_SDRAM 0x1000 #define U300_SYSCON_PMC2R_APP_MISC_3_MMC 0x2000 #define U300_SYSCON_PMC2R_APP_MISC_3_CDI2 0x3000 #define U300_SYSCON_PMC2R_APP_MISC_4_MASK 0xC000 #define U300_SYSCON_PMC2R_APP_MISC_4_APP_GPIO 0x0000 #define U300_SYSCON_PMC2R_APP_MISC_4_EMIF_SDRAM 0x4000 #define U300_SYSCON_PMC2R_APP_MISC_4_MMC 0x8000 #define U300_SYSCON_PMC2R_APP_MISC_4_ACC_GPIO 0xC000 /* TODO: More SYSCON registers missing */ #define U300_SYSCON_PMC3R 0x10C #define U300_SYSCON_PMC3R_APP_MISC_11_MASK 0xC000 #define U300_SYSCON_PMC3R_APP_MISC_11_SPI 0x4000 #define U300_SYSCON_PMC3R_APP_MISC_10_MASK 0x3000 #define U300_SYSCON_PMC3R_APP_MISC_10_SPI 0x1000 /* TODO: Missing other configs */ #define U300_SYSCON_PMC4R 0x168 #define U300_SYSCON_PMC4R_APP_MISC_12_MASK 0x0003 #define U300_SYSCON_PMC4R_APP_MISC_12_APP_GPIO 0x0000 #define U300_SYSCON_PMC4R_APP_MISC_13_MASK 0x000C #define U300_SYSCON_PMC4R_APP_MISC_13_CDI 0x0000 #define U300_SYSCON_PMC4R_APP_MISC_13_SMIA 0x0004 #define U300_SYSCON_PMC4R_APP_MISC_13_SMIA2 0x0008 #define U300_SYSCON_PMC4R_APP_MISC_13_APP_GPIO 0x000C #define U300_SYSCON_PMC4R_APP_MISC_14_MASK 0x0030 #define U300_SYSCON_PMC4R_APP_MISC_14_CDI 0x0000 #define U300_SYSCON_PMC4R_APP_MISC_14_SMIA 0x0010 #define U300_SYSCON_PMC4R_APP_MISC_14_CDI2 0x0020 #define U300_SYSCON_PMC4R_APP_MISC_14_APP_GPIO 0x0030 #define U300_SYSCON_PMC4R_APP_MISC_16_MASK 0x0300 #define U300_SYSCON_PMC4R_APP_MISC_16_APP_GPIO_13 0x0000 #define U300_SYSCON_PMC4R_APP_MISC_16_APP_UART1_CTS 0x0100 #define U300_SYSCON_PMC4R_APP_MISC_16_EMIF_1_STATIC_CS5_N 0x0200 #define DRIVER_NAME "pinctrl-u300" /* * The DB3350 has 467 pads, I have enumerated the pads clockwise around the * edges of the silicon, finger by finger. LTCORNER upper left is pad 0. * Data taken from the PadRing chart, arranged like this: * * 0 ..... 104 * 466 105 * . . * . . * 358 224 * 357 .... 225 */ #define U300_NUM_PADS 467 /* Pad names for the pinmux subsystem */ static const struct pinctrl_pin_desc u300_pads[] = { /* Pads along the top edge of the chip */ PINCTRL_PIN(0, "P PAD VDD 28"), PINCTRL_PIN(1, "P PAD GND 28"), PINCTRL_PIN(2, "PO SIM RST N"), PINCTRL_PIN(3, "VSSIO 25"), PINCTRL_PIN(4, "VSSA ADDA ESDSUB"), PINCTRL_PIN(5, "PWR VSSCOMMON"), PINCTRL_PIN(6, "PI ADC I1 POS"), PINCTRL_PIN(7, "PI ADC I1 NEG"), PINCTRL_PIN(8, "PWR VSSAD0"), PINCTRL_PIN(9, "PWR VCCAD0"), PINCTRL_PIN(10, "PI ADC Q1 NEG"), PINCTRL_PIN(11, "PI ADC Q1 POS"), PINCTRL_PIN(12, "PWR VDDAD"), PINCTRL_PIN(13, "PWR GNDAD"), PINCTRL_PIN(14, "PI ADC I2 POS"), PINCTRL_PIN(15, "PI ADC I2 NEG"), PINCTRL_PIN(16, "PWR VSSAD1"), PINCTRL_PIN(17, "PWR VCCAD1"), PINCTRL_PIN(18, "PI ADC Q2 NEG"), PINCTRL_PIN(19, "PI ADC Q2 POS"), PINCTRL_PIN(20, "VSSA ADDA ESDSUB"), PINCTRL_PIN(21, "PWR VCCGPAD"), PINCTRL_PIN(22, "PI TX POW"), PINCTRL_PIN(23, "PWR VSSGPAD"), PINCTRL_PIN(24, "PO DAC I POS"), PINCTRL_PIN(25, "PO DAC I NEG"), PINCTRL_PIN(26, "PO DAC Q POS"), PINCTRL_PIN(27, "PO DAC Q NEG"), PINCTRL_PIN(28, "PWR VSSDA"), PINCTRL_PIN(29, "PWR VCCDA"), PINCTRL_PIN(30, "VSSA ADDA ESDSUB"), PINCTRL_PIN(31, "P PAD VDDIO 11"), PINCTRL_PIN(32, "PI PLL 26 FILTVDD"), PINCTRL_PIN(33, "PI PLL 26 VCONT"), PINCTRL_PIN(34, "PWR AGNDPLL2V5 32 13"), PINCTRL_PIN(35, "PWR AVDDPLL2V5 32 13"), PINCTRL_PIN(36, "VDDA PLL ESD"), PINCTRL_PIN(37, "VSSA PLL ESD"), PINCTRL_PIN(38, "VSS PLL"), PINCTRL_PIN(39, "VDDC PLL"), PINCTRL_PIN(40, "PWR AGNDPLL2V5 26 60"), PINCTRL_PIN(41, "PWR AVDDPLL2V5 26 60"), PINCTRL_PIN(42, "PWR AVDDPLL2V5 26 208"), PINCTRL_PIN(43, "PWR AGNDPLL2V5 26 208"), PINCTRL_PIN(44, "PWR AVDDPLL2V5 13 208"), PINCTRL_PIN(45, "PWR AGNDPLL2V5 13 208"), PINCTRL_PIN(46, "P PAD VSSIO 11"), PINCTRL_PIN(47, "P PAD VSSIO 12"), PINCTRL_PIN(48, "PI POW RST N"), PINCTRL_PIN(49, "VDDC IO"), PINCTRL_PIN(50, "P PAD VDDIO 16"), PINCTRL_PIN(51, "PO RF WCDMA EN 4"), PINCTRL_PIN(52, "PO RF WCDMA EN 3"), PINCTRL_PIN(53, "PO RF WCDMA EN 2"), PINCTRL_PIN(54, "PO RF WCDMA EN 1"), PINCTRL_PIN(55, "PO RF WCDMA EN 0"), PINCTRL_PIN(56, "PO GSM PA ENABLE"), PINCTRL_PIN(57, "PO RF DATA STRB"), PINCTRL_PIN(58, "PO RF DATA2"), PINCTRL_PIN(59, "PIO RF DATA1"), PINCTRL_PIN(60, "PIO RF DATA0"), PINCTRL_PIN(61, "P PAD VDD 11"), PINCTRL_PIN(62, "P PAD GND 11"), PINCTRL_PIN(63, "P PAD VSSIO 16"), PINCTRL_PIN(64, "P PAD VDDIO 18"), PINCTRL_PIN(65, "PO RF CTRL STRB2"), PINCTRL_PIN(66, "PO RF CTRL STRB1"), PINCTRL_PIN(67, "PO RF CTRL STRB0"), PINCTRL_PIN(68, "PIO RF CTRL DATA"), PINCTRL_PIN(69, "PO RF CTRL CLK"), PINCTRL_PIN(70, "PO TX ADC STRB"), PINCTRL_PIN(71, "PO ANT SW 2"), PINCTRL_PIN(72, "PO ANT SW 3"), PINCTRL_PIN(73, "PO ANT SW 0"), PINCTRL_PIN(74, "PO ANT SW 1"), PINCTRL_PIN(75, "PO M CLKRQ"), PINCTRL_PIN(76, "PI M CLK"), PINCTRL_PIN(77, "PI RTC CLK"), PINCTRL_PIN(78, "P PAD VDD 8"), PINCTRL_PIN(79, "P PAD GND 8"), PINCTRL_PIN(80, "P PAD VSSIO 13"), PINCTRL_PIN(81, "P PAD VDDIO 13"), PINCTRL_PIN(82, "PO SYS 1 CLK"), PINCTRL_PIN(83, "PO SYS 2 CLK"), PINCTRL_PIN(84, "PO SYS 0 CLK"), PINCTRL_PIN(85, "PI SYS 0 CLKRQ"), PINCTRL_PIN(86, "PO PWR MNGT CTRL 1"), PINCTRL_PIN(87, "PO PWR MNGT CTRL 0"), PINCTRL_PIN(88, "PO RESOUT2 RST N"), PINCTRL_PIN(89, "PO RESOUT1 RST N"), PINCTRL_PIN(90, "PO RESOUT0 RST N"), PINCTRL_PIN(91, "PI SERVICE N"), PINCTRL_PIN(92, "P PAD VDD 29"), PINCTRL_PIN(93, "P PAD GND 29"), PINCTRL_PIN(94, "P PAD VSSIO 8"), PINCTRL_PIN(95, "P PAD VDDIO 8"), PINCTRL_PIN(96, "PI EXT IRQ1 N"), PINCTRL_PIN(97, "PI EXT IRQ0 N"), PINCTRL_PIN(98, "PIO DC ON"), PINCTRL_PIN(99, "PIO ACC APP I2C DATA"), PINCTRL_PIN(100, "PIO ACC APP I2C CLK"), PINCTRL_PIN(101, "P PAD VDD 12"), PINCTRL_PIN(102, "P PAD GND 12"), PINCTRL_PIN(103, "P PAD VSSIO 14"), PINCTRL_PIN(104, "P PAD VDDIO 14"), /* Pads along the right edge of the chip */ PINCTRL_PIN(105, "PIO APP I2C1 DATA"), PINCTRL_PIN(106, "PIO APP I2C1 CLK"), PINCTRL_PIN(107, "PO KEY OUT0"), PINCTRL_PIN(108, "PO KEY OUT1"), PINCTRL_PIN(109, "PO KEY OUT2"), PINCTRL_PIN(110, "PO KEY OUT3"), PINCTRL_PIN(111, "PO KEY OUT4"), PINCTRL_PIN(112, "PI KEY IN0"), PINCTRL_PIN(113, "PI KEY IN1"), PINCTRL_PIN(114, "PI KEY IN2"), PINCTRL_PIN(115, "P PAD VDDIO 15"), PINCTRL_PIN(116, "P PAD VSSIO 15"), PINCTRL_PIN(117, "P PAD GND 13"), PINCTRL_PIN(118, "P PAD VDD 13"), PINCTRL_PIN(119, "PI KEY IN3"), PINCTRL_PIN(120, "PI KEY IN4"), PINCTRL_PIN(121, "PI KEY IN5"), PINCTRL_PIN(122, "PIO APP PCM I2S1 DATA B"), PINCTRL_PIN(123, "PIO APP PCM I2S1 DATA A"), PINCTRL_PIN(124, "PIO APP PCM I2S1 WS"), PINCTRL_PIN(125, "PIO APP PCM I2S1 CLK"), PINCTRL_PIN(126, "PIO APP PCM I2S0 DATA B"), PINCTRL_PIN(127, "PIO APP PCM I2S0 DATA A"), PINCTRL_PIN(128, "PIO APP PCM I2S0 WS"), PINCTRL_PIN(129, "PIO APP PCM I2S0 CLK"), PINCTRL_PIN(130, "P PAD VDD 17"), PINCTRL_PIN(131, "P PAD GND 17"), PINCTRL_PIN(132, "P PAD VSSIO 19"), PINCTRL_PIN(133, "P PAD VDDIO 19"), PINCTRL_PIN(134, "UART0 RTS"), PINCTRL_PIN(135, "UART0 CTS"), PINCTRL_PIN(136, "UART0 TX"), PINCTRL_PIN(137, "UART0 RX"), PINCTRL_PIN(138, "PIO ACC SPI DO"), PINCTRL_PIN(139, "PIO ACC SPI DI"), PINCTRL_PIN(140, "PIO ACC SPI CS0 N"), PINCTRL_PIN(141, "PIO ACC SPI CS1 N"), PINCTRL_PIN(142, "PIO ACC SPI CS2 N"), PINCTRL_PIN(143, "PIO ACC SPI CLK"), PINCTRL_PIN(144, "PO PDI EXT RST N"), PINCTRL_PIN(145, "P PAD VDDIO 22"), PINCTRL_PIN(146, "P PAD VSSIO 22"), PINCTRL_PIN(147, "P PAD GND 18"), PINCTRL_PIN(148, "P PAD VDD 18"), PINCTRL_PIN(149, "PIO PDI C0"), PINCTRL_PIN(150, "PIO PDI C1"), PINCTRL_PIN(151, "PIO PDI C2"), PINCTRL_PIN(152, "PIO PDI C3"), PINCTRL_PIN(153, "PIO PDI C4"), PINCTRL_PIN(154, "PIO PDI C5"), PINCTRL_PIN(155, "PIO PDI D0"), PINCTRL_PIN(156, "PIO PDI D1"), PINCTRL_PIN(157, "PIO PDI D2"), PINCTRL_PIN(158, "PIO PDI D3"), PINCTRL_PIN(159, "P PAD VDDIO 21"), PINCTRL_PIN(160, "P PAD VSSIO 21"), PINCTRL_PIN(161, "PIO PDI D4"), PINCTRL_PIN(162, "PIO PDI D5"), PINCTRL_PIN(163, "PIO PDI D6"), PINCTRL_PIN(164, "PIO PDI D7"), PINCTRL_PIN(165, "PIO MS INS"), PINCTRL_PIN(166, "MMC DATA DIR LS"), PINCTRL_PIN(167, "MMC DATA 3"), PINCTRL_PIN(168, "MMC DATA 2"), PINCTRL_PIN(169, "MMC DATA 1"), PINCTRL_PIN(170, "MMC DATA 0"), PINCTRL_PIN(171, "MMC CMD DIR LS"), PINCTRL_PIN(172, "P PAD VDD 27"), PINCTRL_PIN(173, "P PAD GND 27"), PINCTRL_PIN(174, "P PAD VSSIO 20"), PINCTRL_PIN(175, "P PAD VDDIO 20"), PINCTRL_PIN(176, "MMC CMD"), PINCTRL_PIN(177, "MMC CLK"), PINCTRL_PIN(178, "PIO APP GPIO 14"), PINCTRL_PIN(179, "PIO APP GPIO 13"), PINCTRL_PIN(180, "PIO APP GPIO 11"), PINCTRL_PIN(181, "PIO APP GPIO 25"), PINCTRL_PIN(182, "PIO APP GPIO 24"), PINCTRL_PIN(183, "PIO APP GPIO 23"), PINCTRL_PIN(184, "PIO APP GPIO 22"), PINCTRL_PIN(185, "PIO APP GPIO 21"), PINCTRL_PIN(186, "PIO APP GPIO 20"), PINCTRL_PIN(187, "P PAD VDD 19"), PINCTRL_PIN(188, "P PAD GND 19"), PINCTRL_PIN(189, "P PAD VSSIO 23"), PINCTRL_PIN(190, "P PAD VDDIO 23"), PINCTRL_PIN(191, "PIO APP GPIO 19"), PINCTRL_PIN(192, "PIO APP GPIO 18"), PINCTRL_PIN(193, "PIO APP GPIO 17"), PINCTRL_PIN(194, "PIO APP GPIO 16"), PINCTRL_PIN(195, "PI CI D1"), PINCTRL_PIN(196, "PI CI D0"), PINCTRL_PIN(197, "PI CI HSYNC"), PINCTRL_PIN(198, "PI CI VSYNC"), PINCTRL_PIN(199, "PI CI EXT CLK"), PINCTRL_PIN(200, "PO CI EXT RST N"), PINCTRL_PIN(201, "P PAD VSSIO 43"), PINCTRL_PIN(202, "P PAD VDDIO 43"), PINCTRL_PIN(203, "PI CI D6"), PINCTRL_PIN(204, "PI CI D7"), PINCTRL_PIN(205, "PI CI D2"), PINCTRL_PIN(206, "PI CI D3"), PINCTRL_PIN(207, "PI CI D4"), PINCTRL_PIN(208, "PI CI D5"), PINCTRL_PIN(209, "PI CI D8"), PINCTRL_PIN(210, "PI CI D9"), PINCTRL_PIN(211, "P PAD VDD 20"), PINCTRL_PIN(212, "P PAD GND 20"), PINCTRL_PIN(213, "P PAD VSSIO 24"), PINCTRL_PIN(214, "P PAD VDDIO 24"), PINCTRL_PIN(215, "P PAD VDDIO 26"), PINCTRL_PIN(216, "PO EMIF 1 A26"), PINCTRL_PIN(217, "PO EMIF 1 A25"), PINCTRL_PIN(218, "P PAD VSSIO 26"), PINCTRL_PIN(219, "PO EMIF 1 A24"), PINCTRL_PIN(220, "PO EMIF 1 A23"), /* Pads along the bottom edge of the chip */ PINCTRL_PIN(221, "PO EMIF 1 A22"), PINCTRL_PIN(222, "PO EMIF 1 A21"), PINCTRL_PIN(223, "P PAD VDD 21"), PINCTRL_PIN(224, "P PAD GND 21"), PINCTRL_PIN(225, "P PAD VSSIO 27"), PINCTRL_PIN(226, "P PAD VDDIO 27"), PINCTRL_PIN(227, "PO EMIF 1 A20"), PINCTRL_PIN(228, "PO EMIF 1 A19"), PINCTRL_PIN(229, "PO EMIF 1 A18"), PINCTRL_PIN(230, "PO EMIF 1 A17"), PINCTRL_PIN(231, "P PAD VDDIO 28"), PINCTRL_PIN(232, "P PAD VSSIO 28"), PINCTRL_PIN(233, "PO EMIF 1 A16"), PINCTRL_PIN(234, "PIO EMIF 1 D15"), PINCTRL_PIN(235, "PO EMIF 1 A15"), PINCTRL_PIN(236, "PIO EMIF 1 D14"), PINCTRL_PIN(237, "P PAD VDD 22"), PINCTRL_PIN(238, "P PAD GND 22"), PINCTRL_PIN(239, "P PAD VSSIO 29"), PINCTRL_PIN(240, "P PAD VDDIO 29"), PINCTRL_PIN(241, "PO EMIF 1 A14"), PINCTRL_PIN(242, "PIO EMIF 1 D13"), PINCTRL_PIN(243, "PO EMIF 1 A13"), PINCTRL_PIN(244, "PIO EMIF 1 D12"), PINCTRL_PIN(245, "P PAD VSSIO 30"), PINCTRL_PIN(246, "P PAD VDDIO 30"), PINCTRL_PIN(247, "PO EMIF 1 A12"), PINCTRL_PIN(248, "PIO EMIF 1 D11"), PINCTRL_PIN(249, "PO EMIF 1 A11"), PINCTRL_PIN(250, "PIO EMIF 1 D10"), PINCTRL_PIN(251, "P PAD VSSIO 31"), PINCTRL_PIN(252, "P PAD VDDIO 31"), PINCTRL_PIN(253, "PO EMIF 1 A10"), PINCTRL_PIN(254, "PIO EMIF 1 D09"), PINCTRL_PIN(255, "PO EMIF 1 A09"), PINCTRL_PIN(256, "P PAD VDDIO 32"), PINCTRL_PIN(257, "P PAD VSSIO 32"), PINCTRL_PIN(258, "P PAD GND 24"), PINCTRL_PIN(259, "P PAD VDD 24"), PINCTRL_PIN(260, "PIO EMIF 1 D08"), PINCTRL_PIN(261, "PO EMIF 1 A08"), PINCTRL_PIN(262, "PIO EMIF 1 D07"), PINCTRL_PIN(263, "PO EMIF 1 A07"), PINCTRL_PIN(264, "P PAD VDDIO 33"), PINCTRL_PIN(265, "P PAD VSSIO 33"), PINCTRL_PIN(266, "PIO EMIF 1 D06"), PINCTRL_PIN(267, "PO EMIF 1 A06"), PINCTRL_PIN(268, "PIO EMIF 1 D05"), PINCTRL_PIN(269, "PO EMIF 1 A05"), PINCTRL_PIN(270, "P PAD VDDIO 34"), PINCTRL_PIN(271, "P PAD VSSIO 34"), PINCTRL_PIN(272, "PIO EMIF 1 D04"), PINCTRL_PIN(273, "PO EMIF 1 A04"), PINCTRL_PIN(274, "PIO EMIF 1 D03"), PINCTRL_PIN(275, "PO EMIF 1 A03"), PINCTRL_PIN(276, "P PAD VDDIO 35"), PINCTRL_PIN(277, "P PAD VSSIO 35"), PINCTRL_PIN(278, "P PAD GND 23"), PINCTRL_PIN(279, "P PAD VDD 23"), PINCTRL_PIN(280, "PIO EMIF 1 D02"), PINCTRL_PIN(281, "PO EMIF 1 A02"), PINCTRL_PIN(282, "PIO EMIF 1 D01"), PINCTRL_PIN(283, "PO EMIF 1 A01"), PINCTRL_PIN(284, "P PAD VDDIO 36"), PINCTRL_PIN(285, "P PAD VSSIO 36"), PINCTRL_PIN(286, "PIO EMIF 1 D00"), PINCTRL_PIN(287, "PO EMIF 1 BE1 N"), PINCTRL_PIN(288, "PO EMIF 1 BE0 N"), PINCTRL_PIN(289, "PO EMIF 1 ADV N"), PINCTRL_PIN(290, "P PAD VDDIO 37"), PINCTRL_PIN(291, "P PAD VSSIO 37"), PINCTRL_PIN(292, "PO EMIF 1 SD CKE0"), PINCTRL_PIN(293, "PO EMIF 1 OE N"), PINCTRL_PIN(294, "PO EMIF 1 WE N"), PINCTRL_PIN(295, "P PAD VDDIO 38"), PINCTRL_PIN(296, "P PAD VSSIO 38"), PINCTRL_PIN(297, "PO EMIF 1 CLK"), PINCTRL_PIN(298, "PIO EMIF 1 SD CLK"), PINCTRL_PIN(299, "P PAD VSSIO 45 (not bonded)"), PINCTRL_PIN(300, "P PAD VDDIO 42"), PINCTRL_PIN(301, "P PAD VSSIO 42"), PINCTRL_PIN(302, "P PAD GND 31"), PINCTRL_PIN(303, "P PAD VDD 31"), PINCTRL_PIN(304, "PI EMIF 1 RET CLK"), PINCTRL_PIN(305, "PI EMIF 1 WAIT N"), PINCTRL_PIN(306, "PI EMIF 1 NFIF READY"), PINCTRL_PIN(307, "PO EMIF 1 SD CKE1"), PINCTRL_PIN(308, "PO EMIF 1 CS3 N"), PINCTRL_PIN(309, "P PAD VDD 25"), PINCTRL_PIN(310, "P PAD GND 25"), PINCTRL_PIN(311, "P PAD VSSIO 39"), PINCTRL_PIN(312, "P PAD VDDIO 39"), PINCTRL_PIN(313, "PO EMIF 1 CS2 N"), PINCTRL_PIN(314, "PO EMIF 1 CS1 N"), PINCTRL_PIN(315, "PO EMIF 1 CS0 N"), PINCTRL_PIN(316, "PO ETM TRACE PKT0"), PINCTRL_PIN(317, "PO ETM TRACE PKT1"), PINCTRL_PIN(318, "PO ETM TRACE PKT2"), PINCTRL_PIN(319, "P PAD VDD 30"), PINCTRL_PIN(320, "P PAD GND 30"), PINCTRL_PIN(321, "P PAD VSSIO 44"), PINCTRL_PIN(322, "P PAD VDDIO 44"), PINCTRL_PIN(323, "PO ETM TRACE PKT3"), PINCTRL_PIN(324, "PO ETM TRACE PKT4"), PINCTRL_PIN(325, "PO ETM TRACE PKT5"), PINCTRL_PIN(326, "PO ETM TRACE PKT6"), PINCTRL_PIN(327, "PO ETM TRACE PKT7"), PINCTRL_PIN(328, "PO ETM PIPE STAT0"), PINCTRL_PIN(329, "P PAD VDD 26"), PINCTRL_PIN(330, "P PAD GND 26"), PINCTRL_PIN(331, "P PAD VSSIO 40"), PINCTRL_PIN(332, "P PAD VDDIO 40"), PINCTRL_PIN(333, "PO ETM PIPE STAT1"), PINCTRL_PIN(334, "PO ETM PIPE STAT2"), PINCTRL_PIN(335, "PO ETM TRACE CLK"), PINCTRL_PIN(336, "PO ETM TRACE SYNC"), PINCTRL_PIN(337, "PIO ACC GPIO 33"), PINCTRL_PIN(338, "PIO ACC GPIO 32"), PINCTRL_PIN(339, "PIO ACC GPIO 30"), PINCTRL_PIN(340, "PIO ACC GPIO 29"), PINCTRL_PIN(341, "P PAD VDDIO 17"), PINCTRL_PIN(342, "P PAD VSSIO 17"), PINCTRL_PIN(343, "P PAD GND 15"), PINCTRL_PIN(344, "P PAD VDD 15"), PINCTRL_PIN(345, "PIO ACC GPIO 28"), PINCTRL_PIN(346, "PIO ACC GPIO 27"), PINCTRL_PIN(347, "PIO ACC GPIO 16"), PINCTRL_PIN(348, "PI TAP TMS"), PINCTRL_PIN(349, "PI TAP TDI"), PINCTRL_PIN(350, "PO TAP TDO"), PINCTRL_PIN(351, "PI TAP RST N"), /* Pads along the left edge of the chip */ PINCTRL_PIN(352, "PI EMU MODE 0"), PINCTRL_PIN(353, "PO TAP RET CLK"), PINCTRL_PIN(354, "PI TAP CLK"), PINCTRL_PIN(355, "PO EMIF 0 SD CS N"), PINCTRL_PIN(356, "PO EMIF 0 SD CAS N"), PINCTRL_PIN(357, "PO EMIF 0 SD WE N"), PINCTRL_PIN(358, "P PAD VDDIO 1"), PINCTRL_PIN(359, "P PAD VSSIO 1"), PINCTRL_PIN(360, "P PAD GND 1"), PINCTRL_PIN(361, "P PAD VDD 1"), PINCTRL_PIN(362, "PO EMIF 0 SD CKE"), PINCTRL_PIN(363, "PO EMIF 0 SD DQML"), PINCTRL_PIN(364, "PO EMIF 0 SD DQMU"), PINCTRL_PIN(365, "PO EMIF 0 SD RAS N"), PINCTRL_PIN(366, "PIO EMIF 0 D15"), PINCTRL_PIN(367, "PO EMIF 0 A15"), PINCTRL_PIN(368, "PIO EMIF 0 D14"), PINCTRL_PIN(369, "PO EMIF 0 A14"), PINCTRL_PIN(370, "PIO EMIF 0 D13"), PINCTRL_PIN(371, "PO EMIF 0 A13"), PINCTRL_PIN(372, "P PAD VDDIO 2"), PINCTRL_PIN(373, "P PAD VSSIO 2"), PINCTRL_PIN(374, "P PAD GND 2"), PINCTRL_PIN(375, "P PAD VDD 2"), PINCTRL_PIN(376, "PIO EMIF 0 D12"), PINCTRL_PIN(377, "PO EMIF 0 A12"), PINCTRL_PIN(378, "PIO EMIF 0 D11"), PINCTRL_PIN(379, "PO EMIF 0 A11"), PINCTRL_PIN(380, "PIO EMIF 0 D10"), PINCTRL_PIN(381, "PO EMIF 0 A10"), PINCTRL_PIN(382, "PIO EMIF 0 D09"), PINCTRL_PIN(383, "PO EMIF 0 A09"), PINCTRL_PIN(384, "PIO EMIF 0 D08"), PINCTRL_PIN(385, "PO EMIF 0 A08"), PINCTRL_PIN(386, "PIO EMIF 0 D07"), PINCTRL_PIN(387, "PO EMIF 0 A07"), PINCTRL_PIN(388, "P PAD VDDIO 3"), PINCTRL_PIN(389, "P PAD VSSIO 3"), PINCTRL_PIN(390, "P PAD GND 3"), PINCTRL_PIN(391, "P PAD VDD 3"), PINCTRL_PIN(392, "PO EFUSE RDOUT1"), PINCTRL_PIN(393, "PIO EMIF 0 D06"), PINCTRL_PIN(394, "PO EMIF 0 A06"), PINCTRL_PIN(395, "PIO EMIF 0 D05"), PINCTRL_PIN(396, "PO EMIF 0 A05"), PINCTRL_PIN(397, "PIO EMIF 0 D04"), PINCTRL_PIN(398, "PO EMIF 0 A04"), PINCTRL_PIN(399, "A PADS/A VDDCO1v82v5 GND 80U SF LIN VDDCO AF"), PINCTRL_PIN(400, "PWR VDDCO AF"), PINCTRL_PIN(401, "PWR EFUSE HV1"), PINCTRL_PIN(402, "P PAD VSSIO 4"), PINCTRL_PIN(403, "P PAD VDDIO 4"), PINCTRL_PIN(404, "P PAD GND 4"), PINCTRL_PIN(405, "P PAD VDD 4"), PINCTRL_PIN(406, "PIO EMIF 0 D03"), PINCTRL_PIN(407, "PO EMIF 0 A03"), PINCTRL_PIN(408, "PWR EFUSE HV2"), PINCTRL_PIN(409, "PWR EFUSE HV3"), PINCTRL_PIN(410, "PIO EMIF 0 D02"), PINCTRL_PIN(411, "PO EMIF 0 A02"), PINCTRL_PIN(412, "PIO EMIF 0 D01"), PINCTRL_PIN(413, "P PAD VDDIO 5"), PINCTRL_PIN(414, "P PAD VSSIO 5"), PINCTRL_PIN(415, "P PAD GND 5"), PINCTRL_PIN(416, "P PAD VDD 5"), PINCTRL_PIN(417, "PO EMIF 0 A01"), PINCTRL_PIN(418, "PIO EMIF 0 D00"), PINCTRL_PIN(419, "IF 0 SD CLK"), PINCTRL_PIN(420, "APP SPI CLK"), PINCTRL_PIN(421, "APP SPI DO"), PINCTRL_PIN(422, "APP SPI DI"), PINCTRL_PIN(423, "APP SPI CS0"), PINCTRL_PIN(424, "APP SPI CS1"), PINCTRL_PIN(425, "APP SPI CS2"), PINCTRL_PIN(426, "PIO APP GPIO 10"), PINCTRL_PIN(427, "P PAD VDDIO 41"), PINCTRL_PIN(428, "P PAD VSSIO 41"), PINCTRL_PIN(429, "P PAD GND 6"), PINCTRL_PIN(430, "P PAD VDD 6"), PINCTRL_PIN(431, "PIO ACC SDIO0 CMD"), PINCTRL_PIN(432, "PIO ACC SDIO0 CK"), PINCTRL_PIN(433, "PIO ACC SDIO0 D3"), PINCTRL_PIN(434, "PIO ACC SDIO0 D2"), PINCTRL_PIN(435, "PIO ACC SDIO0 D1"), PINCTRL_PIN(436, "PIO ACC SDIO0 D0"), PINCTRL_PIN(437, "PIO USB PU"), PINCTRL_PIN(438, "PIO USB SP"), PINCTRL_PIN(439, "PIO USB DAT VP"), PINCTRL_PIN(440, "PIO USB SE0 VM"), PINCTRL_PIN(441, "PIO USB OE"), PINCTRL_PIN(442, "PIO USB SUSP"), PINCTRL_PIN(443, "P PAD VSSIO 6"), PINCTRL_PIN(444, "P PAD VDDIO 6"), PINCTRL_PIN(445, "PIO USB PUEN"), PINCTRL_PIN(446, "PIO ACC UART0 RX"), PINCTRL_PIN(447, "PIO ACC UART0 TX"), PINCTRL_PIN(448, "PIO ACC UART0 CTS"), PINCTRL_PIN(449, "PIO ACC UART0 RTS"), PINCTRL_PIN(450, "PIO ACC UART3 RX"), PINCTRL_PIN(451, "PIO ACC UART3 TX"), PINCTRL_PIN(452, "PIO ACC UART3 CTS"), PINCTRL_PIN(453, "PIO ACC UART3 RTS"), PINCTRL_PIN(454, "PIO ACC IRDA TX"), PINCTRL_PIN(455, "P PAD VDDIO 7"), PINCTRL_PIN(456, "P PAD VSSIO 7"), PINCTRL_PIN(457, "P PAD GND 7"), PINCTRL_PIN(458, "P PAD VDD 7"), PINCTRL_PIN(459, "PIO ACC IRDA RX"), PINCTRL_PIN(460, "PIO ACC PCM I2S CLK"), PINCTRL_PIN(461, "PIO ACC PCM I2S WS"), PINCTRL_PIN(462, "PIO ACC PCM I2S DATA A"), PINCTRL_PIN(463, "PIO ACC PCM I2S DATA B"), PINCTRL_PIN(464, "PO SIM CLK"), PINCTRL_PIN(465, "PIO ACC IRDA SD"), PINCTRL_PIN(466, "PIO SIM DATA"), }; /** * @dev: a pointer back to containing device * @virtbase: the offset to the controller in virtual memory */ struct u300_pmx { struct device *dev; struct pinctrl_dev *pctl; void __iomem *virtbase; }; /** * u300_pmx_registers - the array of registers read/written for each pinmux * shunt setting */ static const u32 u300_pmx_registers[] = { U300_SYSCON_PMC1LR, U300_SYSCON_PMC1HR, U300_SYSCON_PMC2R, U300_SYSCON_PMC3R, U300_SYSCON_PMC4R, }; /** * struct u300_pin_group - describes a U300 pin group * @name: the name of this specific pin group * @pins: an array of discrete physical pins used in this group, taken * from the driver-local pin enumeration space * @num_pins: the number of pins in this group array, i.e. the number of * elements in .pins so we can iterate over that array */ struct u300_pin_group { const char *name; const unsigned int *pins; const unsigned num_pins; }; /** * struct pmx_onmask - mask bits to enable/disable padmux * @mask: mask bits to disable * @val: mask bits to enable * * onmask lazy dog: * onmask = { * {"PMC1LR" mask, "PMC1LR" value}, * {"PMC1HR" mask, "PMC1HR" value}, * {"PMC2R" mask, "PMC2R" value}, * {"PMC3R" mask, "PMC3R" value}, * {"PMC4R" mask, "PMC4R" value} * } */ struct u300_pmx_mask { u16 mask; u16 bits; }; /* The chip power pins are VDD, GND, VDDIO and VSSIO */ static const unsigned power_pins[] = { 0, 1, 3, 31, 46, 47, 49, 50, 61, 62, 63, 64, 78, 79, 80, 81, 92, 93, 94, 95, 101, 102, 103, 104, 115, 116, 117, 118, 130, 131, 132, 133, 145, 146, 147, 148, 159, 160, 172, 173, 174, 175, 187, 188, 189, 190, 201, 202, 211, 212, 213, 214, 215, 218, 223, 224, 225, 226, 231, 232, 237, 238, 239, 240, 245, 246, 251, 252, 256, 257, 258, 259, 264, 265, 270, 271, 276, 277, 278, 279, 284, 285, 290, 291, 295, 296, 299, 300, 301, 302, 303, 309, 310, 311, 312, 319, 320, 321, 322, 329, 330, 331, 332, 341, 342, 343, 344, 358, 359, 360, 361, 372, 373, 374, 375, 388, 389, 390, 391, 402, 403, 404, 405, 413, 414, 415, 416, 427, 428, 429, 430, 443, 444, 455, 456, 457, 458 }; static const unsigned emif0_pins[] = { 355, 356, 357, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 393, 394, 395, 396, 397, 398, 406, 407, 410, 411, 412, 417, 418 }; static const unsigned emif1_pins[] = { 216, 217, 219, 220, 221, 222, 227, 228, 229, 230, 233, 234, 235, 236, 241, 242, 243, 244, 247, 248, 249, 250, 253, 254, 255, 260, 261, 262, 263, 266, 267, 268, 269, 272, 273, 274, 275, 280, 281, 282, 283, 286, 287, 288, 289, 292, 293, 294, 297, 298, 304, 305, 306, 307, 308, 313, 314, 315 }; static const unsigned uart0_pins[] = { 134, 135, 136, 137 }; static const unsigned mmc0_pins[] = { 166, 167, 168, 169, 170, 171, 176, 177 }; static const unsigned spi0_pins[] = { 420, 421, 422, 423, 424, 425 }; static const struct u300_pmx_mask emif0_mask[] = { {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, }; static const struct u300_pmx_mask emif1_mask[] = { /* * This connects the SDRAM to CS2 and a NAND flash to * CS0 on the EMIF. */ { U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK | U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK | U300_SYSCON_PMC1LR_EMIF_1_CS0_MASK | U300_SYSCON_PMC1LR_EMIF_1_MASK, U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM | U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC | U300_SYSCON_PMC1LR_EMIF_1_CS0_NFIF | U300_SYSCON_PMC1LR_EMIF_1_SDRAM0 }, {0, 0}, {0, 0}, {0, 0}, {0, 0}, }; static const struct u300_pmx_mask uart0_mask[] = { {0, 0}, { U300_SYSCON_PMC1HR_APP_UART0_1_MASK | U300_SYSCON_PMC1HR_APP_UART0_2_MASK, U300_SYSCON_PMC1HR_APP_UART0_1_UART0 | U300_SYSCON_PMC1HR_APP_UART0_2_UART0 }, {0, 0}, {0, 0}, {0, 0}, }; static const struct u300_pmx_mask mmc0_mask[] = { { U300_SYSCON_PMC1LR_MMCSD_MASK, U300_SYSCON_PMC1LR_MMCSD_MMCSD}, {0, 0}, {0, 0}, {0, 0}, { U300_SYSCON_PMC4R_APP_MISC_12_MASK, U300_SYSCON_PMC4R_APP_MISC_12_APP_GPIO } }; static const struct u300_pmx_mask spi0_mask[] = { {0, 0}, { U300_SYSCON_PMC1HR_APP_SPI_2_MASK | U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK | U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK, U300_SYSCON_PMC1HR_APP_SPI_2_SPI | U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI | U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI }, {0, 0}, {0, 0}, {0, 0} }; static const struct u300_pin_group u300_pin_groups[] = { { .name = "powergrp", .pins = power_pins, .num_pins = ARRAY_SIZE(power_pins), }, { .name = "emif0grp", .pins = emif0_pins, .num_pins = ARRAY_SIZE(emif0_pins), }, { .name = "emif1grp", .pins = emif1_pins, .num_pins = ARRAY_SIZE(emif1_pins), }, { .name = "uart0grp", .pins = uart0_pins, .num_pins = ARRAY_SIZE(uart0_pins), }, { .name = "mmc0grp", .pins = mmc0_pins, .num_pins = ARRAY_SIZE(mmc0_pins), }, { .name = "spi0grp", .pins = spi0_pins, .num_pins = ARRAY_SIZE(spi0_pins), }, }; static int u300_get_groups_count(struct pinctrl_dev *pctldev) { return ARRAY_SIZE(u300_pin_groups); } static const char *u300_get_group_name(struct pinctrl_dev *pctldev, unsigned selector) { return u300_pin_groups[selector].name; } static int u300_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, const unsigned **pins, unsigned *num_pins) { *pins = u300_pin_groups[selector].pins; *num_pins = u300_pin_groups[selector].num_pins; return 0; } static void u300_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset) { seq_printf(s, " " DRIVER_NAME); } static const struct pinctrl_ops u300_pctrl_ops = { .get_groups_count = u300_get_groups_count, .get_group_name = u300_get_group_name, .get_group_pins = u300_get_group_pins, .pin_dbg_show = u300_pin_dbg_show, }; /* * Here we define the available functions and their corresponding pin groups */ /** * struct u300_pmx_func - describes U300 pinmux functions * @name: the name of this specific function * @groups: corresponding pin groups * @onmask: bits to set to enable this when doing pin muxing */ struct u300_pmx_func { const char *name; const char * const *groups; const unsigned num_groups; const struct u300_pmx_mask *mask; }; static const char * const powergrps[] = { "powergrp" }; static const char * const emif0grps[] = { "emif0grp" }; static const char * const emif1grps[] = { "emif1grp" }; static const char * const uart0grps[] = { "uart0grp" }; static const char * const mmc0grps[] = { "mmc0grp" }; static const char * const spi0grps[] = { "spi0grp" }; static const struct u300_pmx_func u300_pmx_functions[] = { { .name = "power", .groups = powergrps, .num_groups = ARRAY_SIZE(powergrps), /* Mask is N/A */ }, { .name = "emif0", .groups = emif0grps, .num_groups = ARRAY_SIZE(emif0grps), .mask = emif0_mask, }, { .name = "emif1", .groups = emif1grps, .num_groups = ARRAY_SIZE(emif1grps), .mask = emif1_mask, }, { .name = "uart0", .groups = uart0grps, .num_groups = ARRAY_SIZE(uart0grps), .mask = uart0_mask, }, { .name = "mmc0", .groups = mmc0grps, .num_groups = ARRAY_SIZE(mmc0grps), .mask = mmc0_mask, }, { .name = "spi0", .groups = spi0grps, .num_groups = ARRAY_SIZE(spi0grps), .mask = spi0_mask, }, }; static void u300_pmx_endisable(struct u300_pmx *upmx, unsigned selector, bool enable) { u16 regval, val, mask; int i; const struct u300_pmx_mask *upmx_mask; upmx_mask = u300_pmx_functions[selector].mask; for (i = 0; i < ARRAY_SIZE(u300_pmx_registers); i++) { if (enable) val = upmx_mask->bits; else val = 0; mask = upmx_mask->mask; if (mask != 0) { regval = readw(upmx->virtbase + u300_pmx_registers[i]); regval &= ~mask; regval |= val; writew(regval, upmx->virtbase + u300_pmx_registers[i]); } upmx_mask++; } } static int u300_pmx_set_mux(struct pinctrl_dev *pctldev, unsigned selector, unsigned group) { struct u300_pmx *upmx; /* There is nothing to do with the power pins */ if (selector == 0) return 0; upmx = pinctrl_dev_get_drvdata(pctldev); u300_pmx_endisable(upmx, selector, true); return 0; } static int u300_pmx_get_funcs_count(struct pinctrl_dev *pctldev) { return ARRAY_SIZE(u300_pmx_functions); } static const char *u300_pmx_get_func_name(struct pinctrl_dev *pctldev, unsigned selector) { return u300_pmx_functions[selector].name; } static int u300_pmx_get_groups(struct pinctrl_dev *pctldev, unsigned selector, const char * const **groups, unsigned * const num_groups) { *groups = u300_pmx_functions[selector].groups; *num_groups = u300_pmx_functions[selector].num_groups; return 0; } static const struct pinmux_ops u300_pmx_ops = { .get_functions_count = u300_pmx_get_funcs_count, .get_function_name = u300_pmx_get_func_name, .get_function_groups = u300_pmx_get_groups, .set_mux = u300_pmx_set_mux, }; static int u300_pin_config_get(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *config) { struct pinctrl_gpio_range *range = pinctrl_find_gpio_range_from_pin(pctldev, pin); /* We get config for those pins we CAN get it for and that's it */ if (!range) return -ENOTSUPP; return u300_gpio_config_get(range->gc, (pin - range->pin_base + range->base), config); } static int u300_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *configs, unsigned num_configs) { struct pinctrl_gpio_range *range = pinctrl_find_gpio_range_from_pin(pctldev, pin); int ret, i; if (!range) return -EINVAL; for (i = 0; i < num_configs; i++) { /* Note: none of these configurations take any argument */ ret = u300_gpio_config_set(range->gc, (pin - range->pin_base + range->base), pinconf_to_config_param(configs[i])); if (ret) return ret; } /* for each config */ return 0; } static const struct pinconf_ops u300_pconf_ops = { .is_generic = true, .pin_config_get = u300_pin_config_get, .pin_config_set = u300_pin_config_set, }; static struct pinctrl_desc u300_pmx_desc = { .name = DRIVER_NAME, .pins = u300_pads, .npins = ARRAY_SIZE(u300_pads), .pctlops = &u300_pctrl_ops, .pmxops = &u300_pmx_ops, .confops = &u300_pconf_ops, .owner = THIS_MODULE, }; static int u300_pmx_probe(struct platform_device *pdev) { struct u300_pmx *upmx; /* Create state holders etc for this driver */ upmx = devm_kzalloc(&pdev->dev, sizeof(*upmx), GFP_KERNEL); if (!upmx) return -ENOMEM; upmx->dev = &pdev->dev; upmx->virtbase = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(upmx->virtbase)) return PTR_ERR(upmx->virtbase); upmx->pctl = devm_pinctrl_register(&pdev->dev, &u300_pmx_desc, upmx); if (IS_ERR(upmx->pctl)) { dev_err(&pdev->dev, "could not register U300 pinmux driver\n"); return PTR_ERR(upmx->pctl); } platform_set_drvdata(pdev, upmx); dev_info(&pdev->dev, "initialized U300 pin control driver\n"); return 0; } static const struct of_device_id u300_pinctrl_match[] = { { .compatible = "stericsson,pinctrl-u300" }, {}, }; static struct platform_driver u300_pmx_driver = { .driver = { .name = DRIVER_NAME, .of_match_table = u300_pinctrl_match, }, .probe = u300_pmx_probe, }; static int __init u300_pmx_init(void) { return platform_driver_register(&u300_pmx_driver); } arch_initcall(u300_pmx_init); static void __exit u300_pmx_exit(void) { platform_driver_unregister(&u300_pmx_driver); } module_exit(u300_pmx_exit); MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>"); MODULE_DESCRIPTION("U300 pin control driver"); MODULE_LICENSE("GPL v2");
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