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bh=RsRNFHAmFp98kk4casdJfdWkm3X76NU+UKcrkzAANzM=; b=MXa6otxOp1LyxX0p/RQbYIFI7CnLwCtMKHJzrs5q1UvbKZE4dDH2C31olRALvGVv0z u4zZkHdObCHpmV1kHXhVzbIH4X8Qtfljo5ei87nZy/uhove2rvMsOXWCrXg7GgZwGcaM yOI7wd/yv5zpovnvtJU90/OGbyTZo13gkgSWZCTiKhnqnHXy3crlatZdvjHqH05dYa5w jLqboReBN4Fi50BtREZGjU2yA0DCXCy2p+GnxBV/jN9StiKu3hrooOTOrVnxwx780PMJ i8kjTTCG2b9X/LCNC8RugCmkcvKdeogbBOla0GcNs5/xS1oRTA1iiILxUDW0/7hT1MDY rfHg== X-Gm-Message-State: ACrzQf3i//sd2ZFftAcB0IU/vQfkZZIQ2E5dweUMQOxPfZ3UnE9P7Q7P PkZ6Zdg8CIdDhfAzh1rdYrI= X-Google-Smtp-Source: AMsMyM5jXPFRgkBKH2YqPVSEuRuKPO7oA6VsFs2Apnq7zUQz4RunHhkh0ScSYFYe+I/N0L4laiBWAQ== X-Received: by 2002:a05:6a00:150e:b0:563:b133:2932 with SMTP id q14-20020a056a00150e00b00563b1332932mr2121054pfu.37.1665475783113; Tue, 11 Oct 2022 01:09:43 -0700 (PDT) Received: from localhost.localdomain ([1.200.129.118]) by smtp.gmail.com with ESMTPSA id z29-20020aa7949d000000b00562b98da2efsm8216257pfk.186.2022.10.11.01.09.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Oct 2022 01:09:42 -0700 (PDT) From: Jim Liu X-Google-Original-From: Jim Liu To: YSCHU@nuvoton.com, KWLIU@nuvoton.com, trini@konsulko.com, JJLIU0@nuvoton.com Cc: u-boot@lists.denx.de, Stanley Chu Subject: [PATCH v1] pinctrl: nuvoton: Add NPCM8xx pinctrl driver Date: Tue, 11 Oct 2022 16:09:13 +0800 Message-Id: <20221011080913.6947-1-JJLIU0@nuvoton.com> X-Mailer: git-send-email 2.17.1 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean Add Nuvoton BMC NPCM845 Pinmux and Pinconf support. Signed-off-by: Jim Liu Signed-off-by: Stanley Chu --- drivers/pinctrl/nuvoton/Kconfig | 13 + drivers/pinctrl/nuvoton/Makefile | 1 + drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c | 995 ++++++++++++++++++++++ 3 files changed, 1009 insertions(+) create mode 100644 drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c diff --git a/drivers/pinctrl/nuvoton/Kconfig b/drivers/pinctrl/nuvoton/Kconfig index 07f65f7637..e55a0261ad 100644 --- a/drivers/pinctrl/nuvoton/Kconfig +++ b/drivers/pinctrl/nuvoton/Kconfig @@ -5,3 +5,16 @@ config PINCTRL_NPCM7XX help Say Y here to enable pin controller and GPIO support for Nuvoton NPCM750/730/715/705 SoCs. + +config PINCTRL_NPCM8XX + bool "Pinctrl driver for Nuvoton NPCM8XX" + depends on DM && PINCTRL_GENERIC && ARCH_NPCM8XX + help + Support pin muxing and pin configuration on + Nuvoton NPCM8XX SoC. + + The NPCM8XX contains 256 GPIO pins. Most of them are + multiplexed with other system functions. These pins can + be configured as either GPIO pin or alternate function. + It also supports basic configurations such as pull up/down, + drive-strength, and slew rate control for some of the pins. diff --git a/drivers/pinctrl/nuvoton/Makefile b/drivers/pinctrl/nuvoton/Makefile index 886d00784c..d03e2b5824 100644 --- a/drivers/pinctrl/nuvoton/Makefile +++ b/drivers/pinctrl/nuvoton/Makefile @@ -2,3 +2,4 @@ # Nuvoton pinctrl support obj-$(CONFIG_PINCTRL_NPCM7XX) += pinctrl-npcm7xx.o +obj-$(CONFIG_PINCTRL_NPCM8XX) += pinctrl-npcm8xx.o diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c new file mode 100644 index 0000000000..c6ffa89f77 --- /dev/null +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c @@ -0,0 +1,995 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2022 Nuvoton Technology Corp. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* GCR register offsets */ +#define WD0RCR 0x38 +#define WD1RCR 0x3c +#define WD2RCR 0x40 +#define SWRSTC1 0x44 +#define SWRSTC2 0x48 +#define SWRSTC3 0x4c +#define SWRSTC4 0x50 +#define CORSTC 0x5c +#define FLOCKR1 0x74 +#define INTCR4 0xc0 +#define I2CSEGSEL 0xe0 +#define MFSEL1 0x260 +#define MFSEL2 0x264 +#define MFSEL3 0x268 +#define MFSEL4 0x26c +#define MFSEL5 0x270 +#define MFSEL6 0x274 +#define MFSEL7 0x278 + +/* GPIO register offsets */ +#define GPIO_POL 0x08 /* Polarity */ +#define GPIO_DOUT 0x0c /* Data OUT */ +#define GPIO_OTYP 0x14 /* Output Type */ +#define GPIO_PU 0x1c /* Pull-up */ +#define GPIO_PD 0x20 /* Pull-down */ +#define GPIO_DBNC 0x24 /* Debounce */ +#define GPIO_EVEN 0x40 /* Event Enable */ +#define GPIO_EVST 0x4c /* Event Status */ +#define GPIO_IEM 0x58 /* Input Enable */ +#define GPIO_OSRC 0x5c /* Output Slew-Rate Control */ +#define GPIO_ODSC 0x60 /* Output Drive Strength Control */ +#define GPIO_OES 0x70 /* Output Enable Set */ +#define GPIO_OEC 0x74 /* Output Enable Clear */ + +#define NPCM8XX_GPIO_PER_BANK 32 +#define GPIOX_OFFSET 16 + +struct npcm8xx_pinctrl_priv { + void __iomem *gpio_base; + struct regmap *gcr_regmap; + struct regmap *rst_regmap; +}; + +/* + * Function table + * name, register, enable bit, pin list + */ +#define FUNC_LIST \ + FUNC(smb3, MFSEL1, 0, 30, 31) \ + FUNC(smb4, MFSEL1, 1, 28, 29) \ + FUNC(smb5, MFSEL1, 2, 26, 27) \ + FUNC(spi0cs1, MFSEL1, 3, 32) \ + FUNC(hsi1c, MFSEL1, 4, 45, 46, 47, 61) \ + FUNC(hsi2c, MFSEL1, 5, 52, 53, 54, 55) \ + FUNC(smb0, MFSEL1, 6, 114, 115) \ + FUNC(smb1, MFSEL1, 7, 116, 117) \ + FUNC(smb2, MFSEL1, 8, 118, 119) \ + FUNC(bmcuart0a, MFSEL1, 9, 41, 42) \ + FUNC(hsi1a, MFSEL1, 10, 43, 63) \ + FUNC(hsi2a, MFSEL1, 11, 48, 49) \ + FUNC(r1err, MFSEL1, 12, 56) \ + FUNC(r1md, MFSEL1, 13, 57, 58) \ + FUNC(r2, MFSEL1, 14, 84, 85, 86, 87, 88, 89, 200) \ + FUNC(r2err, MFSEL1, 15, 90) \ + FUNC(r2md, MFSEL1, 16, 91, 92) \ + FUNC(ga20kbc, MFSEL1, 17, 93, 94) \ + FUNC(clkout, MFSEL1, 21, 160) \ + FUNC(sci, MFSEL1, 22, 170) \ + FUNC(gspi, MFSEL1, 24, 12, 13, 14, 15) \ + FUNC(lpc, MFSEL1, 26, 95, 161, 163, 164, 165, 166, 167) \ + FUNC(hsi1b, MFSEL1, 28, 44, 62) \ + FUNC(hsi2b, MFSEL1, 29, 50, 51) \ + FUNC(iox1, MFSEL1, 30, 0, 1, 2, 3) \ + FUNC(serirq, MFSEL1, 31, 168) \ + FUNC(fanin0, MFSEL2, 0, 64) \ + FUNC(fanin1, MFSEL2, 1, 65) \ + FUNC(fanin2, MFSEL2, 2, 66) \ + FUNC(fanin3, MFSEL2, 3, 67) \ + FUNC(fanin4, MFSEL2, 4, 68) \ + FUNC(fanin5, MFSEL2, 5, 69) \ + FUNC(fanin6, MFSEL2, 6, 70) \ + FUNC(fanin7, MFSEL2, 7, 71) \ + FUNC(fanin8, MFSEL2, 8, 72) \ + FUNC(fanin9, MFSEL2, 9, 73) \ + FUNC(fanin10, MFSEL2, 10, 74) \ + FUNC(fanin11, MFSEL2, 11, 75) \ + FUNC(fanin12, MFSEL2, 12, 76) \ + FUNC(fanin13, MFSEL2, 13, 77) \ + FUNC(fanin14, MFSEL2, 14, 78) \ + FUNC(fanin15, MFSEL2, 15, 79) \ + FUNC(pwm0, MFSEL2, 16, 80) \ + FUNC(pwm1, MFSEL2, 17, 81) \ + FUNC(pwm2, MFSEL2, 18, 82) \ + FUNC(pwm3, MFSEL2, 19, 83) \ + FUNC(pwm4, MFSEL2, 20, 144) \ + FUNC(pwm5, MFSEL2, 21, 145) \ + FUNC(pwm6, MFSEL2, 22, 146) \ + FUNC(pwm7, MFSEL2, 23, 147) \ + FUNC(hgpio0, MFSEL2, 24, 20) \ + FUNC(hgpio1, MFSEL2, 25, 21) \ + FUNC(hgpio2, MFSEL2, 26, 22) \ + FUNC(hgpio3, MFSEL2, 27, 23) \ + FUNC(hgpio4, MFSEL2, 28, 24) \ + FUNC(hgpio5, MFSEL2, 29, 25) \ + FUNC(hgpio6, MFSEL2, 30, 59) \ + FUNC(hgpio7, MFSEL2, 31, 60) \ + FUNC(scipme, MFSEL3, 0, 169) \ + FUNC(smb6, MFSEL3, 1, 171, 172) \ + FUNC(smb7, MFSEL3, 2, 173, 174) \ + FUNC(faninx, MFSEL3, 3, 175, 176, 177, 203) \ + FUNC(spi1, MFSEL3, 4, 175, 176, 177, 203) \ + FUNC(smb12, MFSEL3, 5, 220, 221) \ + FUNC(smb13, MFSEL3, 6, 222, 223) \ + FUNC(smb14, MFSEL3, 7, 22, 23) \ + FUNC(smb15, MFSEL3, 8, 20, 21) \ + FUNC(r1, MFSEL3, 9, 178, 179, 180, 181, 182, 193, 201) \ + FUNC(mmc, MFSEL3, 10, 152, 154, 156, 157, 158, 159) \ + FUNC(mmc8, MFSEL3, 11, 148, 149, 150, 151) \ + FUNC(pspi, MFSEL3, 13, 17, 18, 19) \ + FUNC(iox2, MFSEL3, 14, 4, 5, 6, 7) \ + FUNC(clkrun, MFSEL3, 16, 162) \ + FUNC(ioxh, MFSEL3, 18, 10, 11, 24, 25) \ + FUNC(wdog1, MFSEL3, 19, 218) \ + FUNC(wdog2, MFSEL3, 20, 219) \ + FUNC(i3c5, MFSEL3, 22, 106, 107) \ + FUNC(bmcuart1, MFSEL3, 24, 43, 63) \ + FUNC(mmccd, MFSEL3, 25, 155) \ + FUNC(ddr, MFSEL3, 26, 110, 111, 112, 113, 208, 209, 210, 211, 212,\ + 213, 214, 215, 216, 217, 250) \ + FUNC(jtag2, MFSEL4, 0, 43, 44, 45, 46, 47) \ + FUNC(bmcuart0b, MFSEL4, 1, 48, 49) \ + FUNC(mmcrst, MFSEL4, 6, 155) \ + FUNC(espi, MFSEL4, 8, 95, 161, 163, 164, 165, 166, 167, 168) \ + FUNC(clkreq, MFSEL4, 9, 231) \ + FUNC(smb8, MFSEL4, 11, 128, 129) \ + FUNC(smb9, MFSEL4, 12, 130, 131) \ + FUNC(smb10, MFSEL4, 13, 132, 133) \ + FUNC(smb11, MFSEL4, 14, 134, 135) \ + FUNC(spi3, MFSEL4, 16, 183, 184, 185, 186) \ + FUNC(spi3cs1, MFSEL4, 17, 187) \ + FUNC(spi3cs2, MFSEL4, 18, 188) \ + FUNC(spi3cs3, MFSEL4, 19, 189) \ + FUNC(spi3quad, MFSEL4, 20, 188, 189) \ + FUNC(rg1mdio, MFSEL4, 21, 108, 109) \ + FUNC(bu2, MFSEL4, 22, 96, 97) \ + FUNC(rg2mdio, MFSEL4, 23, 216, 217) \ + FUNC(rg2, MFSEL4, 24, 110, 111, 112, 113, 208, 209, 210, 211, 212,\ + 213, 214, 215) \ + FUNC(spix, MFSEL4, 27, 224, 225, 226, 227, 229, 230) \ + FUNC(spixcs1, MFSEL4, 28, 228) \ + FUNC(spi1cs1, MFSEL5, 0, 233) \ + FUNC(jm2, MFSEL5, 1) \ + FUNC(j2j3, MFSEL5, 2, 44, 62, 45, 46) \ + FUNC(spi1d23, MFSEL5, 3, 191, 192) \ + FUNC(spi1cs2, MFSEL5, 4, 191) \ + FUNC(spi1cs3, MFSEL5, 5, 192) \ + FUNC(bu6, MFSEL5, 6, 50, 51) \ + FUNC(bu5, MFSEL5, 7, 52, 53) \ + FUNC(bu4, MFSEL5, 8, 54, 55) \ + FUNC(r1oen, MFSEL5, 9, 56) \ + FUNC(r2oen, MFSEL5, 10, 90) \ + FUNC(rmii3, MFSEL5, 11, 110, 111, 209, 210, 211, 214, 215) \ + FUNC(bu5b, MFSEL5, 12, 100, 101) \ + FUNC(bu4b, MFSEL5, 13, 98, 99) \ + FUNC(r3oen, MFSEL5, 14, 213) \ + FUNC(jm1, MFSEL5, 15, 136, 137, 138, 139, 140) \ + FUNC(gpi35, MFSEL5, 16, 35) \ + FUNC(i3c0, MFSEL5, 17, 240, 241) \ + FUNC(gpi36, MFSEL5, 18, 36) \ + FUNC(i3c1, MFSEL5, 19, 242, 243) \ + FUNC(tp_gpio4b, MFSEL5, 20, 57) \ + FUNC(i3c2, MFSEL5, 21, 244, 245) \ + FUNC(tp_gpio5b, MFSEL5, 22, 58) \ + FUNC(i3c3, MFSEL5, 23, 246, 247) \ + FUNC(smb16, MFSEL5, 24, 10, 11) \ + FUNC(smb17, MFSEL5, 25, 2, 3) \ + FUNC(smb18, MFSEL5, 26, 0, 1) \ + FUNC(smb19, MFSEL5, 27, 59, 60) \ + FUNC(smb20, MFSEL5, 28, 234, 235) \ + FUNC(smb21, MFSEL5, 29, 169, 170) \ + FUNC(smb22, MFSEL5, 30, 39, 40) \ + FUNC(smb23, MFSEL5, 31, 37, 38) \ + FUNC(smb23b, MFSEL6, 0, 134, 135) \ + FUNC(cp1utxd, MFSEL6, 1, 42) \ + FUNC(cp1gpio0, MFSEL6, 2) \ + FUNC(cp1gpio1, MFSEL6, 3) \ + FUNC(cp1gpio2, MFSEL6, 4) \ + FUNC(cp1gpio3, MFSEL6, 5) \ + FUNC(cp1gpio4, MFSEL6, 6) \ + FUNC(cp1gpio5, MFSEL6, 7, 17) \ + FUNC(cp1gpio6, MFSEL6, 8, 91) \ + FUNC(cp1gpio7, MFSEL6, 9, 92) \ + FUNC(i3c4, MFSEL6, 10, 33, 34) \ + FUNC(pwm8, MFSEL6, 11, 220) \ + FUNC(pwm9, MFSEL6, 12, 221) \ + FUNC(pwm10, MFSEL6, 13, 234) \ + FUNC(pwm11, MFSEL6, 14, 235) \ + FUNC(nbu1crts, MFSEL6, 15, 44, 62) \ + FUNC(fm0, MFSEL6, 16, 194, 195, 196, 202, 199, 198, 197) \ + FUNC(fm1, MFSEL6, 17, 175, 176, 177, 203, 191, 192, 233) \ + FUNC(fm2, MFSEL6, 18, 224, 225, 226, 227, 228, 229, 230) \ + FUNC(gpio1836, MFSEL6, 19, 183, 184, 185, 186) \ + FUNC(cp1gpio0b, MFSEL6, 20, 127) \ + FUNC(cp1gpio1b, MFSEL6, 21, 126) \ + FUNC(cp1gpio2b, MFSEL6, 22, 125) \ + FUNC(cp1gpio3b, MFSEL6, 23, 124) \ + FUNC(cp1gpio7b, MFSEL6, 24, 96) \ + FUNC(cp1gpio6b, MFSEL6, 25, 97) \ + FUNC(cp1gpio5b, MFSEL6, 26, 98) \ + FUNC(cp1gpio4b, MFSEL6, 27, 99) \ + FUNC(cp1gpio3c, MFSEL6, 28, 100) \ + FUNC(cp1gpio2c, MFSEL6, 29, 101) \ + FUNC(r3rxer, MFSEL6, 30, 212) \ + FUNC(cp1urxd, MFSEL6, 31, 41) \ + FUNC(tp_gpio0, MFSEL7, 0, 8) \ + FUNC(tp_gpio1, MFSEL7, 1, 9) \ + FUNC(tp_gpio2, MFSEL7, 2, 16) \ + FUNC(tp_gpio3, MFSEL7, 3, 100) \ + FUNC(tp_gpio4, MFSEL7, 4, 99) \ + FUNC(tp_gpio5, MFSEL7, 5, 98) \ + FUNC(tp_gpio6, MFSEL7, 6, 97) \ + FUNC(tp_gpio7, MFSEL7, 7, 96) \ + FUNC(tp_gpio0b, MFSEL7, 8, 91) \ + FUNC(tp_gpio1b, MFSEL7, 9, 92) \ + FUNC(tp_gpio2b, MFSEL7, 10, 101) \ + FUNC(tp_smb1, MFSEL7, 11, 142, 143) \ + FUNC(tp_uart, MFSEL7, 12, 50, 51) \ + FUNC(tp_jtag3, MFSEL7, 13, 44, 45, 46, 62) \ + FUNC(gpio187, MFSEL7, 24, 187) \ + FUNC(gpio1889, MFSEL7, 25, 188, 189) \ + FUNC(smb14b, MFSEL7, 26, 32, 187) \ + FUNC(smb15b, MFSEL7, 27, 191, 192) \ + FUNC(tp_smb2, MFSEL7, 28, 24, 25) \ + FUNC(vgadig, MFSEL7, 29, 102, 103, 104, 105) \ + FUNC(smb16b, MFSEL7, 30, 218, 219) \ + FUNC(smb0b, I2CSEGSEL, 0, 194, 195) \ + FUNC(smb0c, I2CSEGSEL, 1, 196, 202) \ + FUNC(smb0d, I2CSEGSEL, 2, 198, 199) \ + FUNC(smb1b, I2CSEGSEL, 5, 126, 127) \ + FUNC(smb1c, I2CSEGSEL, 6, 124, 125) \ + FUNC(smb1d, I2CSEGSEL, 7, 4, 5) \ + FUNC(smb2b, I2CSEGSEL, 8, 122, 123) \ + FUNC(smb2c, I2CSEGSEL, 9, 120, 121) \ + FUNC(smb2d, I2CSEGSEL, 10, 6, 7) \ + FUNC(smb3b, I2CSEGSEL, 11, 39, 40) \ + FUNC(smb3c, I2CSEGSEL, 12, 37, 38) \ + FUNC(smb3d, I2CSEGSEL, 13, 59, 60) \ + FUNC(smb4b, I2CSEGSEL, 14, 18, 19) \ + FUNC(smb4c, I2CSEGSEL, 15, 20, 21) \ + FUNC(smb4d, I2CSEGSEL, 16, 22, 23) \ + FUNC(smb5b, I2CSEGSEL, 19, 12, 13) \ + FUNC(smb5c, I2CSEGSEL, 20, 14, 15) \ + FUNC(smb5d, I2CSEGSEL, 21, 93, 94) \ + FUNC(smb0den, I2CSEGSEL, 22, 197) \ + FUNC(smb6b, I2CSEGSEL, 24, 2, 3) \ + FUNC(smb6c, I2CSEGSEL, 25, 0, 1) \ + FUNC(smb6d, I2CSEGSEL, 26, 10, 11) \ + FUNC(smb7b, I2CSEGSEL, 27, 16, 141) \ + FUNC(smb7c, I2CSEGSEL, 28, 24, 25) \ + FUNC(smb7d, I2CSEGSEL, 29, 142, 143) \ + FUNC(lkgpo0, FLOCKR1, 0, 16) \ + FUNC(lkgpo1, FLOCKR1, 4, 8) \ + FUNC(lkgpo2, FLOCKR1, 8, 9) \ + FUNC(nprd_smi, FLOCKR1, 20, 190) \ + FUNC(mmcwp, FLOCKR1, 24, 153) \ + FUNC(rg2refck, INTCR4, 6) \ + FUNC(r1en, INTCR4, 12) \ + FUNC(r2en, INTCR4, 13) \ + FUNC(r3en, INTCR4, 14) + +/* declare function pins */ +#define FUNC(_name, _reg, _bit, ...) \ + static const u8 _name##_pins[] = { __VA_ARGS__ }; +FUNC_LIST + +/* enumerate function ids */ +#undef FUNC +#define FUNC(_name, _reg, _bit, ...) \ + FN_##_name, +enum npcm8xx_func_selectors { + FUNC_LIST + FN_gpio +}; + +#undef FUNC +#define FUNC(_name, _reg, _bit, ...) { \ + .id = FN_##_name, \ + .name = #_name, \ + .pins = _name##_pins, \ + .npins = ARRAY_SIZE(_name##_pins), \ + .reg = _reg, \ + .bit = _bit, \ + }, + +/** + * struct group_info - group of pins for a function + * + * @id: identifier + * @name: group & function name + * @pins: group of pins used by this function + * @npins: number of pins + * @reg: register for enabling the function + * @bit: offset of enable bit in the register + */ +struct group_info { + u32 id; + char *name; + const u8 *pins; + u32 npins; + u32 reg; + u32 bit; +}; + +static const struct group_info npcm8xx_groups[] = { + FUNC_LIST +}; + +/* Pin flags */ +#define SLEW BIT(0) /* Has Slew Control */ +#define GPIO_ALT BIT(1) /* GPIO function is enabled by setting alternate */ +#define DSLO_MASK GENMASK(11, 8) /* Drive strength */ +#define DSHI_MASK GENMASK(15, 12) +#define GPIO_IDX_MASK GENMASK(18, 16) +#define GPIO_IDX(x) ((x) << 16) /* index of alt_func[] for gpio function */ +#define DS(lo, hi) (((lo) << 8) | ((hi) << 12)) +#define DSLO(x) FIELD_GET(DSLO_MASK, x) /* Low DS value */ +#define DSHI(x) FIELD_GET(DSHI_MASK, x) /* High DS value */ +#define GPIO_IDX_VAL(x) FIELD_GET(GPIO_IDX_MASK, x) + +#define MAX_ALT_FUNCS 5 /* Max alternate functions */ +/** + * struct pin_info + * + * @gpio_num: GPIO number as index + * @name: pin name + * @funcs: array of alternate function selectors of this pin + * @num_funcs: number of alternate functions + */ +struct pin_info { + u32 gpio_num; + char *name; + u32 funcs[MAX_ALT_FUNCS]; + u32 num_funcs; + u32 flags; +}; + +/* Pin table */ +static const struct pin_info npcm8xx_pins[] = { + {0, "GPIO0/IOX1_DI/SMB6C_SDA/SMB18_SDA", {FN_iox1, FN_smb6c, FN_smb18}, 3, SLEW}, + {1, "GPIO1/IOX1_LD/SMB6C_SCL/SMB18_SCL", {FN_iox1, FN_smb6c, FN_smb18}, 3, SLEW}, + {2, "GPIO2/IOX1_CK/SMB6B_SDA/SMB17_SDA", {FN_iox1, FN_smb6b, FN_smb17}, 3, SLEW}, + {3, "GPIO3/IOX1_DO/SMB6B_SCL/SMB17_SCL", {FN_iox1, FN_smb6b, FN_smb17}, 3, SLEW}, + {4, "GPIO4/IOX2_DI/SMB1D_SDA", {FN_iox2, FN_smb1d}, 2, SLEW}, + {5, "GPIO5/IOX2_LD/SMB1D_SCL", {FN_iox2, FN_smb1d}, 2, SLEW}, + {6, "GPIO6/IOX2_CK/SMB2D_SDA", {FN_iox2, FN_smb2d}, 2, SLEW}, + {7, "GPIO7/IOX2_D0/SMB2D_SCL", {FN_iox2, FN_smb2d}, 2, SLEW}, + {8, "GPIO8/LKGPO1/TP_GPIO0", {FN_lkgpo1, FN_tp_gpio0b}, 2, DS(8, 12)}, + {9, "GPIO9/LKGPO2/TP_GPIO1", {FN_lkgpo2, FN_tp_gpio1b}, 2, DS(8, 12)}, + {10, "GPIO10/IOXH_LD/SMB6D_SCL/SMB16_SCL", {FN_ioxh, FN_smb6d, FN_smb16}, 3, SLEW}, + {11, "GPIO11/IOXH_CK/SMB6D_SDA/SMB16_SDA", {FN_ioxh, FN_smb6d, FN_smb16}, 3, SLEW}, + {12, "GPIO12/GSPI_CK/SMB5B_SCL", {FN_gspi, FN_smb5d}, 2, SLEW}, + {13, "GPIO13/GSPI_DO/SMB5B_SDA", {FN_gspi, FN_smb5d}, 2, SLEW}, + {14, "GPIO14/GSPI_DI/SMB5C_SCL", {FN_gspi, FN_smb5c}, 2, SLEW}, + {15, "GPIO15/GSPI_CS/SMB5C_SDA", {FN_gspi, FN_smb5c}, 2, SLEW}, + {16, "GPIO16/SMB7B_SDA/LKGPO0/TP_GPIO2", {FN_lkgpo0, FN_smb7b, FN_tp_gpio2b}, 3, SLEW}, + {17, "GPIO17/PSPI_DI/CP1_GPIO5", {FN_pspi, FN_cp1gpio5}, 2, SLEW}, + {18, "GPIO18/PSPI_D0/SMB4B_SDA", {FN_pspi, FN_smb4b}, 2, SLEW}, + {19, "GPIO19/PSPI_CK/SMB4B_SCL", {FN_pspi, FN_smb4b}, 2, SLEW}, + {20, "GPIO20/H_GPIO0/SMB4C_SDA/SMB15_SDA", {FN_hgpio0, FN_smb15, FN_smb4c}, 3, SLEW}, + {21, "GPIO21/H_GPIO1/SMB4C_SCL/SMB15_SCL", {FN_hgpio1, FN_smb15, FN_smb4c}, 3, SLEW}, + {22, "GPIO22/H_GPIO2/SMB4D_SDA/SMB14_SDA", {FN_hgpio2, FN_smb14, FN_smb4d}, 3, SLEW}, + {23, "GPIO23/H_GPIO3/SMB4D_SCL/SMB14_SCL", {FN_hgpio3, FN_smb14, FN_smb4d}, 3, SLEW}, + {24, "GPIO24/IOXH_DO/H_GPIO4/SMB7C_SCL/TP_SMB2_SCL", + {FN_hgpio4, FN_ioxh, FN_smb7c, FN_tp_smb2}, 4, SLEW}, + {25, "GPIO25/IOXH_DI/H_GPIO4/SMB7C_SDA/TP_SMB2_SDA", {FN_hgpio5, FN_ioxh, FN_smb7c}, + 3, SLEW}, + {26, "GPIO26/SMB5_SDA", {FN_smb5}, 1, 0}, + {27, "GPIO27/SMB5_SCL", {FN_smb5}, 1, 0}, + {28, "GPIO28/SMB4_SDA", {FN_smb4}, 1, 0}, + {29, "GPIO29/SMB4_SCL", {FN_smb4}, 1, 0}, + {30, "GPIO30/SMB3_SDA", {FN_smb3}, 1, 0}, + {31, "GPIO31/SMB3_SCL", {FN_smb3}, 1, 0}, + {32, "GPIO32/SMB14_SCL/SPI0_nCS1", {FN_smb14b, FN_spi0cs1}, 2, SLEW}, + {33, "I3C4_SCL", {FN_i3c4}, 1, SLEW}, + {34, "I3C4_SDA", {FN_i3c4}, 1, SLEW}, + {35, "GPI35/MCBPCK", {FN_gpi35}, 1, GPIO_ALT | GPIO_IDX(0)}, + {36, "GPI36/SYSBPCK", {FN_gpi36}, 1, GPIO_ALT | GPIO_IDX(0)}, + {37, "GPIO37/SMB3C_SDA/SMB23_SDA", {FN_smb3c, FN_smb23}, 2, SLEW}, + {38, "GPIO38/SMB3C_SCL/SMB23_SCL", {FN_smb3c, FN_smb23}, 2, SLEW}, + {39, "GPIO39/SMB3B_SDA/SMB22_SDA", {FN_smb3b, FN_smb22}, 2, SLEW}, + {40, "GPIO40/SMB3B_SCL/SMB22_SCL", {FN_smb3b, FN_smb22}, 2, SLEW}, + {41, "GPIO41/BU0_RXD/CP1U_RXD", {FN_bmcuart0a, FN_cp1urxd}, 2, 0}, + {42, "GPIO42/BU0_TXD/CP1U_TXD", {FN_bmcuart0a, FN_cp1utxd}, 2, DS(2, 4)}, + {43, "GPIO43/SI1_RXD/BU1_RXD", {FN_hsi1a, FN_bmcuart1}, 2, 0}, + {44, "GPIO44/SI1_nCTS/BU1_nCTS/CP_TDI/TP_TDI/CP_TP_TDI", + {FN_hsi1b, FN_nbu1crts, FN_jtag2, FN_tp_jtag3, FN_j2j3}, 5, 0}, + {45, "GPIO45/SI1_nDCD/CP_TMS_SWIO/TP_TMS_SWIO/CP_TP_TMS_SWIO", + {FN_hsi1c, FN_jtag2, FN_j2j3, FN_tp_jtag3}, 4, DS(2, 8)}, + {46, "GPIO46/SI1_nDSR/CP_TCK_SWCLK/TP_TCK_SWCLK/CP_TP_TCK_SWCLK", + {FN_hsi1c, FN_jtag2, FN_j2j3, FN_tp_jtag3}, 4, 0}, + {47, "GPIO47/SI1n_RI1", {FN_hsi1c,}, 1, DS(2, 8)}, + {48, "GPIO48/SI2_TXD/BU0_TXD/STRAP5", {FN_hsi2a, FN_bmcuart0b}, 2, 0}, + {49, "GPIO49/SI2_RXD/BU0_RXD", {FN_hsi2a, FN_bmcuart0b}, 2, 0}, + {50, "GPIO50/SI2_nCTS/BU6_TXD/TPU_TXD", {FN_hsi2b, FN_bu6, FN_tp_uart}, 3, 0}, + {51, "GPIO51/SI2_nRTS/BU6_RXD/TPU_RXD", {FN_hsi2b, FN_bu6, FN_tp_uart}, 3, 0}, + {52, "GPIO52/SI2_nDCD/BU5_RXD", {FN_hsi2c, FN_bu5}, 2, 0}, + {53, "GPIO53/SI2_nDTR_BOUT2/BU5_TXD", {FN_hsi2c, FN_bu5}, 2, 0}, + {54, "GPIO54/SI2_nDSR/BU4_TXD", {FN_hsi2c, FN_bu4}, 2, 0}, + {55, "GPIO55/SI2_RI2/BU4_RXD", {FN_hsi2c, FN_bu4}, 2, 0}, + {56, "GPIO56/R1_RXERR/R1_OEN", {FN_r1err, FN_r1oen}, 2, 0}, + {57, "GPIO57/R1_MDC/TP_GPIO4", {FN_r1md, FN_tp_gpio4b}, 2, DS(2, 4)}, + {58, "GPIO58/R1_MDIO/TP_GPIO5", {FN_r1md, FN_tp_gpio5b}, 2, DS(2, 4)}, + {59, "GPIO59/H_GPIO06/SMB3D_SDA/SMB19_SDA", {FN_hgpio6, FN_smb3d, FN_smb19}, 3, 0}, + {60, "GPIO60/H_GPIO07/SMB3D_SCL/SMB19_SCL", {FN_hgpio7, FN_smb3d, FN_smb19}, 3, 0}, + {61, "GPIO61/SI1_nDTR_BOUT", {FN_hsi1c}, 1, 0}, + {62, "GPIO62/SI1_nRTS/BU1_nRTS/CP_TDO_SWO/TP_TDO_SWO/CP_TP_TDO_SWO", + {FN_hsi1b, FN_jtag2, FN_j2j3, FN_nbu1crts, FN_tp_jtag3}, 5, 0}, + {63, "GPIO63/BU1_TXD1/SI1_TXD", {FN_hsi1a, FN_bmcuart1}, 2, 0}, + {64, "GPIO64/FANIN0", {FN_fanin0}, 1, 0}, + {65, "GPIO65/FANIN1", {FN_fanin1}, 1, 0}, + {66, "GPIO66/FANIN2", {FN_fanin2}, 1, 0}, + {67, "GPIO67/FANIN3", {FN_fanin3}, 1, 0}, + {68, "GPIO68/FANIN4", {FN_fanin4}, 1, 0}, + {69, "GPIO69/FANIN5", {FN_fanin5}, 1, 0}, + {70, "GPIO70/FANIN6", {FN_fanin6}, 1, 0}, + {71, "GPIO71/FANIN7", {FN_fanin7}, 1, 0}, + {72, "GPIO72/FANIN8", {FN_fanin8}, 1, 0}, + {73, "GPIO73/FANIN9", {FN_fanin9}, 1, 0}, + {74, "GPIO74/FANIN10", {FN_fanin10}, 1, 0}, + {75, "GPIO75/FANIN11", {FN_fanin11}, 1, 0}, + {76, "GPIO76/FANIN12", {FN_fanin12}, 1, 0}, + {77, "GPIO77/FANIN13", {FN_fanin13}, 1, 0}, + {78, "GPIO78/FANIN14", {FN_fanin14}, 1, 0}, + {79, "GPIO79/FANIN15", {FN_fanin15}, 1, 0}, + {80, "GPIO80/PWM0", {FN_pwm0}, 1, DS(4, 8)}, + {81, "GPIO81/PWM1", {FN_pwm1}, 1, DS(4, 8)}, + {82, "GPIO82/PWM2", {FN_pwm2}, 1, DS(4, 8)}, + {83, "GPIO83/PWM3", {FN_pwm3}, 1, DS(4, 8)}, + {84, "GPIO84/R2_TXD0", {FN_r2}, 1, DS(4, 8) | SLEW}, + {85, "GPIO85/R2_TXD1", {FN_r2}, 1, DS(4, 8) | SLEW}, + {86, "GPIO86/R2_TXEN", {FN_r2}, 1, DS(4, 8) | SLEW}, + {87, "GPIO87/R2_RXD0", {FN_r2}, 1, 0}, + {88, "GPIO88/R2_RXD1", {FN_r2}, 1, 0}, + {89, "GPIO89/R2_CRSDV", {FN_r2}, 1, 0}, + {90, "GPIO90/R2_RXERR/R2_OEN", {FN_r2err, FN_r2oen}, 2, 0}, + {91, "GPIO91/R2_MDC/CP1_GPIO6/TP_GPIO0", {FN_r2md, FN_cp1gpio6, FN_tp_gpio0}, 3, DS(2, 4)}, + {92, "GPIO92/R2_MDIO/CP1_GPIO7/TP_GPIO1", {FN_r2md, FN_cp1gpio7, FN_tp_gpio1}, 3, DS(2, 4)}, + {93, "GPIO93/GA20/SMB5D_SCL", {FN_ga20kbc, FN_smb5d}, 2, 0}, + {94, "GPIO94/nKBRST/SMB5D_SDA", {FN_ga20kbc, FN_smb5d}, 2, 0}, + {95, "GPIO95/nESPIRST/LPC_nLRESET", {FN_lpc, FN_espi}, 2, 0}, + {96, "GPIO96/CP1_GPIO7/BU2_TXD/TP_GPIO7", {FN_cp1gpio7b, FN_bu2, FN_tp_gpio7}, 3, SLEW}, + {97, "GPIO97/CP1_GPIO6/BU2_RXD/TP_GPIO6", {FN_cp1gpio6b, FN_bu2, FN_tp_gpio6}, 3, SLEW}, + {98, "GPIO98/CP1_GPIO5/BU4_TXD/TP_GPIO5", {FN_bu4b, FN_cp1gpio5b, FN_tp_gpio5}, 3, SLEW}, + {99, "GPIO99/CP1_GPIO4/BU4_RXD/TP_GPIO4", {FN_bu4b, FN_cp1gpio4b, FN_tp_gpio4}, 3, SLEW}, + {100, "GPIO100/CP1_GPIO3/BU5_TXD/TP_GPIO3", {FN_bu5b, FN_cp1gpio3c, FN_tp_gpio3}, 3, SLEW}, + {101, "GPIO101/CP1_GPIO2/BU5_RXD/TP_GPIO2", {FN_bu5b, FN_cp1gpio2c, FN_tp_gpio2}, 3, SLEW}, + {102, "GPIO102/HSYNC", {FN_vgadig}, 1, DS(4, 8)}, + {103, "GPIO103/VSYNC", {FN_vgadig}, 1, DS(4, 8)}, + {104, "GPIO104/DDC_SCL", {FN_vgadig}, 1, 0}, + {105, "GPIO105/DDC_SDA", {FN_vgadig}, 1, 0}, + {106, "GPIO106/I3C5_SCL", {FN_i3c5}, 1, SLEW}, + {107, "GPIO107/I3C5_SDA", {FN_i3c5}, 1, SLEW}, + {108, "GPIO108/SG1_MDC", {FN_rg1mdio}, 1, SLEW}, + {109, "GPIO109/SG1_MDIO", {FN_rg1mdio}, 1, SLEW}, + {110, "GPIO110/RG2_TXD0/DDRV0/R3_TXD0", {FN_rg2, FN_ddr, FN_rmii3}, 3, SLEW}, + {111, "GPIO111/RG2_TXD1/DDRV1/R3_TXD1", {FN_rg2, FN_ddr, FN_rmii3}, 3, SLEW}, + {112, "GPIO112/RG2_TXD2/DDRV2", {FN_rg2, FN_ddr}, 2, SLEW}, + {113, "GPIO113/RG2_TXD3/DDRV3", {FN_rg2, FN_ddr}, 2, SLEW}, + {114, "GPIO114/SMB0_SCL", {FN_smb0}, 1, 0}, + {115, "GPIO115/SMB0_SDA", {FN_smb0}, 1, 0}, + {116, "GPIO116/SMB1_SCL", {FN_smb1}, 1, 0}, + {117, "GPIO117/SMB1_SDA", {FN_smb1}, 1, 0}, + {118, "GPIO118/SMB2_SCL", {FN_smb2}, 1, 0}, + {119, "GPIO119/SMB2_SDA", {FN_smb2}, 1, 0}, + {120, "GPIO120/SMB2C_SDA", {FN_smb2c}, 1, SLEW}, + {121, "GPIO121/SMB2C_SCL", {FN_smb2c}, 1, SLEW}, + {122, "GPIO122/SMB2B_SDA", {FN_smb2b}, 1, SLEW}, + {123, "GPIO123/SMB2B_SCL", {FN_smb2b}, 1, SLEW}, + {124, "GPIO124/SMB1C_SDA/CP1_GPIO3", {FN_smb1c, FN_cp1gpio3b}, 2, SLEW}, + {125, "GPIO125/SMB1C_SCL/CP1_GPIO2", {FN_smb1c, FN_cp1gpio2b}, 2, SLEW}, + {126, "GPIO126/SMB1B_SDA/CP1_GPIO1", {FN_smb1b, FN_cp1gpio1b}, 2, SLEW}, + {127, "GPIO127/SMB1B_SCL/CP1_GPIO0", {FN_smb1b, FN_cp1gpio0b}, 2, SLEW}, + {128, "GPIO128/SMB824_SCL", {FN_smb8}, 1, 0}, + {129, "GPIO129/SMB824_SDA", {FN_smb8}, 1, 0}, + {130, "GPIO130/SMB925_SCL", {FN_smb9}, 1, 0}, + {131, "GPIO131/SMB925_SDA", {FN_smb9}, 1, 0}, + {132, "GPIO132/SMB1026_SCL", {FN_smb10}, 1, 0}, + {133, "GPIO133/SMB1026_SDA", {FN_smb10}, 1, 0}, + {134, "GPIO134/SMB11_SCL", {FN_smb11, FN_smb23b}, 2, 0}, + {135, "GPIO135/SMB11_SDA", {FN_smb11, FN_smb23b}, 2, 0}, + {136, "GPIO136/JM1_TCK", {FN_jm1}, 1, SLEW}, + {137, "GPIO137/JM1_TDO", {FN_jm1}, 1, SLEW}, + {138, "GPIO138/JM1_TMS", {FN_jm1}, 1, SLEW}, + {139, "GPIO139/JM1_TDI", {FN_jm1}, 1, SLEW}, + {140, "GPIO140/JM1_nTRST", {FN_jm1}, 1, SLEW}, + {141, "GPIO141/SMB7B_SCL", {FN_smb7b}, 1, 0}, + {142, "GPIO142/SMB7D_SCL/TPSMB1_SCL", {FN_smb7d, FN_tp_smb1}, 2, SLEW}, + {143, "GPIO143/SMB7D_SDA/TPSMB1_SDA", {FN_smb7d, FN_tp_smb1}, 2, SLEW}, + {144, "GPIO144/PWM4", {FN_pwm4}, 1, DS(4, 8)}, + {145, "GPIO145/PWM5", {FN_pwm5}, 1, DS(4, 8)}, + {146, "GPIO146/PWM6", {FN_pwm6}, 1, DS(4, 8)}, + {147, "GPIO147/PWM7", {FN_pwm7}, 1, DS(4, 8)}, + {148, "GPIO148/MMC_DT4", {FN_mmc8}, 1, DS(8, 12) | SLEW}, + {149, "GPIO149/MMC_DT5", {FN_mmc8}, 1, DS(8, 12) | SLEW}, + {150, "GPIO150/MMC_DT6", {FN_mmc8}, 1, DS(8, 12) | SLEW}, + {151, "GPIO151/MMC_DT7", {FN_mmc8}, 1, DS(8, 12) | SLEW}, + {152, "GPIO152/MMC_CLK", {FN_mmc}, 1, DS(8, 12) | SLEW}, + {153, "GPIO153/MMC_WP", {FN_mmcwp}, 1, 0}, + {154, "GPIO154/MMC_CMD", {FN_mmc}, 1, DS(8, 12) | SLEW}, + {155, "GPIO155/MMC_nCD/MMC_nRSTLK", {FN_mmccd, FN_mmcrst}, 2, 0}, + {156, "GPIO156/MMC_DT0", {FN_mmc}, 1, DS(8, 12) | SLEW}, + {157, "GPIO157/MMC_DT1", {FN_mmc}, 1, DS(8, 12) | SLEW}, + {158, "GPIO158/MMC_DT2", {FN_mmc}, 1, DS(8, 12) | SLEW}, + {159, "GPIO159/MMC_DT3", {FN_mmc}, 1, DS(8, 12) | SLEW}, + {160, "GPIO160/CLKOUT/RNGOSCOUT/GFXBYPCK", {FN_clkout}, 1, DS(8, 12) | SLEW}, + {161, "GPIO161/ESPI_nCS/LPC_nLFRAME", {FN_espi, FN_lpc}, 2, 0}, + {162, "GPIO162/LPC_nCLKRUN", {FN_clkrun}, 1, DS(8, 12)}, + {163, "GPIO163/ESPI_CK/LPC_LCLK", {FN_espi, FN_lpc}, 2, 0}, + {164, "GPIO164/ESPI_IO0/LPC_LAD0", {FN_espi, FN_lpc}, 2, 0}, + {165, "GPIO165/ESPI_IO1/LPC_LAD1", {FN_espi, FN_lpc}, 2, 0}, + {166, "GPIO166/ESPI_IO2/LPC_LAD2", {FN_espi, FN_lpc}, 2, 0}, + {167, "GPIO167/ESPI_IO3/LPC_LAD3", {FN_espi, FN_lpc}, 2, 0}, + {168, "GPIO168/ESPI_nALERT/SERIRQ", {FN_espi, FN_serirq}, 2, 0}, + {169, "GPIO169/nSCIPME/SMB21_SCL", {FN_scipme, FN_smb21}, 2, 0}, + {170, "GPIO170/nSMI/SMB21_SDA", {FN_sci, FN_smb21}, 2, 0}, + {171, "GPIO171/SMB6_SCL", {FN_smb6}, 1, 0}, + {172, "GPIO172/SMB6_SDA", {FN_smb6}, 1, 0}, + {173, "GPIO173/SMB7_SCL", {FN_smb7}, 1, 0}, + {174, "GPIO174/SMB7_SDA", {FN_smb7}, 1, 0}, + {175, "GPIO175/SPI1_CK/FANIN19/FM1_CK", {FN_spi1, FN_faninx, FN_fm1}, 3, DS(8, 12)}, + {176, "GPIO176/SPI1_DO/FANIN18/FM1_DO/STRAP9", {FN_spi1, FN_faninx, FN_fm1}, 3, DS(8, 12)}, + {177, "GPIO177/SPI1_DI/FANIN17/FM1_D1/STRAP10", {FN_spi1, FN_faninx, FN_fm1}, 3, DS(8, 12)}, + {178, "GPIO178/R1_TXD0", {FN_r1}, 1, DS(8, 12) | SLEW}, + {179, "GPIO179/R1_TXD1", {FN_r1}, 1, DS(8, 12) | SLEW}, + {180, "GPIO180/R1_TXEN", {FN_r1}, 1, DS(8, 12) | SLEW}, + {181, "GPIO181/R1_RXD0", {FN_r1}, 1, 0}, + {182, "GPIO182/R1_RXD1", {FN_r1}, 1, 0}, + {183, "GPIO183/SPI3_SEL", {FN_spi3, FN_gpio1836}, 2, + DS(8, 12) | SLEW | GPIO_ALT | GPIO_IDX(1)}, + {184, "GPIO184/SPI3_D0/STRAP13", {FN_spi3, FN_gpio1836}, 2, + DS(8, 12) | SLEW | GPIO_ALT | GPIO_IDX(1)}, + {185, "GPIO185/SPI3_D1", {FN_spi3, FN_gpio1836}, 2, + DS(8, 12) | SLEW | GPIO_ALT | GPIO_IDX(1)}, + {186, "GPIO186/SPI3_nCS0", {FN_spi3, FN_gpio1836}, 2, + DS(8, 12) | SLEW | GPIO_ALT | GPIO_IDX(1)}, + {187, "GPIO187/SPI3_nCS1_SMB14_SDA", {FN_spi3cs1, FN_smb14b, FN_gpio187}, 3, + SLEW | GPIO_ALT | GPIO_IDX(2)}, + {188, "GPIO188/SPI3_D2/SPI3_nCS2", {FN_spi3quad, FN_spi3cs2, FN_gpio1889}, 3, + DS(8, 12) | SLEW | GPIO_ALT | GPIO_IDX(2)}, + {189, "GPIO189/SPI3_D3/SPI3_nCS3", {FN_spi3quad, FN_spi3cs3, FN_gpio1889}, 3, + DS(8, 12) | SLEW | GPIO_ALT | GPIO_IDX(2)}, + {190, "GPIO190/nPRD_SMI", {FN_nprd_smi}, 1, DS(2, 4)}, + {191, "GPIO191/SPI1_D1/FANIN17/FM1_D1/STRAP10", + {FN_spi1d23, FN_spi1cs2, FN_fm1, FN_smb15}, 4, SLEW}, + {192, "GPIO192/SPI1_D3/SPI_nCS3/FM1_D3/SMB15_SCL", + {FN_spi1d23, FN_spi1cs3, FN_fm1, FN_smb15}, 4, SLEW}, + {193, "GPIO193/R1_CRSDV", {FN_r1}, 1, 0}, + {194, "GPIO194/SMB0B_SCL/FM0_CK", {FN_smb0b, FN_fm0}, 2, SLEW}, + {195, "GPIO195/SMB0B_SDA/FM0_D0", {FN_smb0b, FN_fm0}, 2, SLEW}, + {196, "GPIO196/SMB0C_SCL/FM0_D1", {FN_smb0c, FN_fm0}, 2, SLEW}, + {197, "GPIO197/SMB0DEN/FM0_D3", {FN_smb0den, FN_fm0}, 2, SLEW}, + {198, "GPIO198/SMB0D_SDA/FM0_D2", {FN_smb0d, FN_fm0}, 2, SLEW}, + {199, "GPIO199/SMB0D_SCL/FM0_CSO", {FN_smb0d, FN_fm0}, 2, SLEW}, + {200, "GPIO200/R2_CK", {FN_r2}, 1, 0}, + {201, "GPIO201/R1_CK", {FN_r1}, 1, 0}, + {202, "GPIO202/SMB0C_SDA/FM0_CSI", {FN_smb0c, FN_fm0}, 2, SLEW}, + {203, "GPIO203/SPI1_nCS0/FANIN16/FM1_CSI", {FN_faninx, FN_spi1, FN_fm1}, 3, DS(8, 12)}, + {208, "GPIO208/RG2_TXC/DVCK", {FN_rg2, FN_ddr}, 2, SLEW}, + {209, "GPIO209/RG2_TXCTL/DDRV4/R3_TXEN", {FN_rg2, FN_ddr, FN_rmii3}, 3, SLEW}, + {210, "GPIO210/RG2_RXD0/DDRV5/R3_RXD0", {FN_rg2, FN_ddr, FN_rmii3}, 3, DS(8, 12) | SLEW}, + {211, "GPIO211/RG2_RXD1/DDRV6/R3_RXD1", {FN_rg2, FN_ddr, FN_rmii3}, 3, DS(8, 12) | SLEW}, + {212, "GPIO212/RG2_RXD2/DDRV7/R3_RXD2", {FN_rg2, FN_ddr, FN_r3rxer}, 3, DS(8, 12) | SLEW}, + {213, "GPIO213/RG2_RXD3/DDRV8/R3_OEN", {FN_rg2, FN_ddr, FN_r3oen}, 3, DS(8, 12) | SLEW}, + {214, "GPIO214/RG2_RXC/DDRV9/R3_CK", {FN_rg2, FN_ddr, FN_rmii3}, 3, DS(8, 12) | SLEW}, + {215, "GPIO215/RG2_RXCTL/DDRV10/R3_CRSDV", {FN_rg2, FN_ddr, FN_rmii3}, 3, DS(8, 12) | SLEW}, + {216, "GPIO216/RG2_MDC/DDRV11", {FN_rg2mdio, FN_ddr}, 2, DS(8, 12) | SLEW}, + {217, "GPIO217/RG2_MDIO/DVHSYNC", {FN_rg2mdio, FN_ddr}, 2, DS(8, 12) | SLEW}, + {218, "GPIO218/nWDO1/SMB16_SCL", {FN_wdog1, FN_smb16}, 2, SLEW}, + {219, "GPIO219/nWDO2/SMB16_SDA", {FN_wdog2, FN_smb16}, 2, SLEW}, + {220, "GPIO220/SMB12_SCL/PWM8", {FN_smb12, FN_pwm8}, 2, SLEW}, + {221, "GPIO221/SMB12_SDA/PWM9", {FN_smb12, FN_pwm9}, 2, SLEW}, + {222, "GPIO222/SMB13_SCL", {FN_smb13}, 1, SLEW}, + {223, "GPIO223/SMB13_SDA", {FN_smb13}, 1, SLEW}, + {224, "GPIO224/SPIX_CK/FM2_CK", {FN_spix, FN_fm2}, 2, DS(8, 12) | SLEW}, + {225, "GPO225/SPIX_D0/FM2_D0/STRAP1", {FN_spix, FN_fm2}, 2, DS(8, 12) | SLEW}, + {226, "GPO226/SPIX_D1/FM2_D1/STRAP2", {FN_spix, FN_fm2}, 2, DS(8, 12) | SLEW}, + {227, "GPIO227/SPIX_nCS0/FM2_CSI", {FN_spix, FN_fm2}, 2, DS(8, 12) | SLEW}, + {228, "GPIO228/SPIX_nCS1/FM2_CSO", {FN_spixcs1, FN_fm2}, 2, DS(8, 12) | SLEW}, + {229, "GPO229/SPIX_D2/FM2_D2/STRAP3", {FN_spix, FN_fm2}, 2, DS(8, 12) | SLEW}, + {230, "GPO230/SPIX_D3/FM2_D3/STRAP6", {FN_spix, FN_fm2}, 2, DS(8, 12) | SLEW}, + {231, "GPIO231/EP_nCLKREQ", {FN_clkreq}, 1, DS(4, 12) | SLEW}, + {233, "GPIO233/SPI1_nCS1/FM1_CSO", {FN_spi1cs1, FN_fm1}, 2, 0}, + {234, "GPIO234/PWM10/SMB20_SCL", {FN_pwm10, FN_smb20}, 2, SLEW}, + {235, "GPIO235/PWM11/SMB20_SDA", {FN_pwm11, FN_smb20}, 2, SLEW}, + {240, "GPIO240/I3C0_SCL", {FN_i3c0}, 2, SLEW}, + {241, "GPIO241/I3C0_SDA", {FN_i3c0}, 2, SLEW}, + {242, "GPIO242/I3C1_SCL", {FN_i3c1}, 2, SLEW}, + {243, "GPIO243/I3C1_SDA", {FN_i3c1}, 2, SLEW}, + {244, "GPIO244/I3C2_SCL", {FN_i3c2}, 2, SLEW}, + {245, "GPIO245/I3C2_SDA", {FN_i3c2}, 2, SLEW}, + {246, "GPIO246/I3C3_SCL", {FN_i3c3}, 2, SLEW}, + {247, "GPIO247/I3C3_SDA", {FN_i3c3}, 2, SLEW}, + {250, "GPIO250/RG2_REFCK/DVVSYNC", {FN_ddr, FN_rg2refck}, 2, DS(8, 12) | SLEW}, +}; + +static int npcm8xx_get_pin_selector(u8 gpio) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(npcm8xx_pins); i++) { + if (npcm8xx_pins[i].gpio_num == gpio) + return i; + } + + return -ENOENT; +} + +static int npcm8xx_group_set_func(struct udevice *dev, + const struct group_info *group, + unsigned int func_selector) +{ + struct npcm8xx_pinctrl_priv *priv = dev_get_priv(dev); + + dev_dbg(dev, "set_func [grp %s][func %s]\n", group->name, + npcm8xx_groups[func_selector].name); + if (group->id == func_selector) + regmap_update_bits(priv->gcr_regmap, group->reg, + BIT(group->bit), BIT(group->bit)); + else + regmap_update_bits(priv->gcr_regmap, group->reg, + BIT(group->bit), 0); + + return 0; +} + +static int npcm8xx_pinmux_set(struct udevice *dev, + unsigned int pin_selector, + unsigned int func_selector) +{ + const struct pin_info *pin; + const struct group_info *group; + int i; + + pin = &npcm8xx_pins[pin_selector]; + dev_dbg(dev, "set_mux [pin %s][func %s]\n", pin->name, + npcm8xx_groups[func_selector].name); + + for (i = 0; i < pin->num_funcs; i++) { + group = &npcm8xx_groups[pin->funcs[i]]; + npcm8xx_group_set_func(dev, group, func_selector); + } + + return 0; +} + +static int npcm8xx_pinmux_group_set(struct udevice *dev, + unsigned int group_selector, + unsigned int func_selector) +{ + const struct group_info *group; + int pin_selector; + int i; + + dev_dbg(dev, "set_mux [grp %s][func %s]\n", + npcm8xx_groups[group_selector].name, + npcm8xx_groups[func_selector].name); + group = &npcm8xx_groups[group_selector]; + + if (!group->npins) { + /* No other alternate pins, just set group function */ + npcm8xx_group_set_func(dev, group, func_selector); + return 0; + } + + for (i = 0; i < group->npins; i++) { + pin_selector = npcm8xx_get_pin_selector(group->pins[i]); + if (pin_selector < 0) { + dev_dbg(dev, "invalid pin %d\n", group->pins[i]); + return -EINVAL; + } + npcm8xx_pinmux_set(dev, pin_selector, func_selector); + } + + return 0; +} + +static int npcm8xx_get_pins_count(struct udevice *dev) +{ + return ARRAY_SIZE(npcm8xx_pins); +} + +static const char *npcm8xx_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + return npcm8xx_pins[selector].name; +} + +static int npcm8xx_get_groups_count(struct udevice *dev) +{ + return ARRAY_SIZE(npcm8xx_groups); +} + +static const char *npcm8xx_get_group_name(struct udevice *dev, + unsigned int selector) +{ + return npcm8xx_groups[selector].name; +} + +static int npcm8xx_get_functions_count(struct udevice *dev) +{ + return ARRAY_SIZE(npcm8xx_groups); +} + +static const char *npcm8xx_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return npcm8xx_groups[selector].name; +} + +#if CONFIG_IS_ENABLED(PINCONF) +#define PIN_CONFIG_PERSIST_STATE (PIN_CONFIG_END + 1) +#define PIN_CONFIG_POLARITY_STATE (PIN_CONFIG_END + 2) +#define PIN_CONFIG_EVENT_CLEAR (PIN_CONFIG_END + 3) + +static const struct pinconf_param npcm8xx_conf_params[] = { + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, + { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, + { "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 }, + { "output-enable", PIN_CONFIG_OUTPUT_ENABLE, 1 }, + { "output-high", PIN_CONFIG_OUTPUT, 1, }, + { "output-low", PIN_CONFIG_OUTPUT, 0, }, + { "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 1 }, + { "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 1 }, + { "persist-enable", PIN_CONFIG_PERSIST_STATE, 1 }, + { "persist-disable", PIN_CONFIG_PERSIST_STATE, 0 }, + { "input-debounce", PIN_CONFIG_INPUT_DEBOUNCE, 0 }, + { "active-high", PIN_CONFIG_POLARITY_STATE, 0 }, + { "active-low", PIN_CONFIG_POLARITY_STATE, 1 }, + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, + { "slew-rate", PIN_CONFIG_SLEW_RATE, 0}, + { "event-clear", PIN_CONFIG_EVENT_CLEAR, 0}, +}; + +/* Support for retaining the state after soft reset */ +static int npcm8xx_gpio_reset_persist(struct udevice *dev, uint bank, + uint enable) +{ + struct npcm8xx_pinctrl_priv *priv = dev_get_priv(dev); + u8 offset = bank + GPIOX_OFFSET; + + dev_dbg(dev, "set gpio persist, bank %d, enable %d\n", bank, enable); + + if (enable) { + regmap_update_bits(priv->rst_regmap, WD0RCR, BIT(offset), 0); + regmap_update_bits(priv->rst_regmap, WD1RCR, BIT(offset), 0); + regmap_update_bits(priv->rst_regmap, WD2RCR, BIT(offset), 0); + regmap_update_bits(priv->rst_regmap, CORSTC, BIT(offset), 0); + } else { + regmap_update_bits(priv->rst_regmap, WD0RCR, BIT(offset), + BIT(offset)); + regmap_update_bits(priv->rst_regmap, WD1RCR, BIT(offset), + BIT(offset)); + regmap_update_bits(priv->rst_regmap, WD2RCR, BIT(offset), + BIT(offset)); + regmap_update_bits(priv->rst_regmap, CORSTC, BIT(offset), + BIT(offset)); + } + + return 0; +} + +static bool is_gpio_persist(struct udevice *dev, uint bank) +{ + struct npcm8xx_pinctrl_priv *priv = dev_get_priv(dev); + u8 offset = bank + GPIOX_OFFSET; + u32 val; + int status; + + status = npcm_get_reset_status(); + dev_dbg(dev, "reset status: 0x%x\n", status); + + if (status & CORST) + regmap_read(priv->rst_regmap, CORSTC, &val); + else if (status & WD0RST) + regmap_read(priv->rst_regmap, WD0RCR, &val); + else if (status & WD1RST) + regmap_read(priv->rst_regmap, WD1RCR, &val); + else if (status & WD2RST) + regmap_read(priv->rst_regmap, WD2RCR, &val); + else + return false; + + return !(val & BIT(offset)); +} + +static void npcm8xx_set_gpio_func(struct udevice *dev, unsigned int selector) +{ + const struct pin_info *pin = &npcm8xx_pins[selector]; + const struct group_info *group; + unsigned int func_selector; + int i; + + /* gpio function is an alternate function */ + if (pin->flags & GPIO_ALT) + func_selector = pin->funcs[GPIO_IDX_VAL(pin->flags)]; + else + func_selector = FN_gpio; + + for (i = 0; i < pin->num_funcs; i++) { + group = &npcm8xx_groups[pin->funcs[i]]; + npcm8xx_group_set_func(dev, group, func_selector); + } +} + +static int npcm8xx_pinconf_set(struct udevice *dev, unsigned int selector, + unsigned int param, unsigned int arg) +{ + struct npcm8xx_pinctrl_priv *priv = dev_get_priv(dev); + uint pin = npcm8xx_pins[selector].gpio_num; + uint bank = pin / NPCM8XX_GPIO_PER_BANK; + uint gpio = (pin % NPCM8XX_GPIO_PER_BANK); + void __iomem *base = priv->gpio_base + (0x1000 * bank); + u32 flags = npcm8xx_pins[selector].flags; + int ret = 0; + + dev_dbg(dev, "set_conf [pin %d][param 0x%x, arg 0x%x]\n", + pin, param, arg); + + /* Configure pin as gpio function */ + if (param != PIN_CONFIG_SLEW_RATE) + npcm8xx_set_gpio_func(dev, selector); + + if (is_gpio_persist(dev, bank) && + param != PIN_CONFIG_EVENT_CLEAR) { + dev_dbg(dev, "retain the state\n"); + return 0; + } + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + dev_dbg(dev, "set pin %d bias disable\n", pin); + clrbits_le32(base + GPIO_PU, BIT(gpio)); + clrbits_le32(base + GPIO_PD, BIT(gpio)); + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + dev_dbg(dev, "set pin %d bias pull down\n", pin); + clrbits_le32(base + GPIO_PU, BIT(gpio)); + setbits_le32(base + GPIO_PD, BIT(gpio)); + break; + case PIN_CONFIG_BIAS_PULL_UP: + dev_dbg(dev, "set pin %d bias pull up\n", pin); + setbits_le32(base + GPIO_PU, BIT(gpio)); + clrbits_le32(base + GPIO_PD, BIT(gpio)); + break; + case PIN_CONFIG_INPUT_ENABLE: + dev_dbg(dev, "set pin %d input enable\n", pin); + setbits_le32(base + GPIO_OEC, BIT(gpio)); + setbits_le32(base + GPIO_IEM, BIT(gpio)); + break; + case PIN_CONFIG_OUTPUT_ENABLE: + dev_dbg(dev, "set pin %d output enable\n", pin); + clrbits_le32(base + GPIO_IEM, BIT(gpio)); + setbits_le32(base + GPIO_OES, BIT(gpio)); + case PIN_CONFIG_OUTPUT: + dev_dbg(dev, "set pin %d output %d\n", pin, arg); + clrbits_le32(base + GPIO_IEM, BIT(gpio)); + setbits_le32(base + GPIO_OES, BIT(gpio)); + if (arg) + setbits_le32(base + GPIO_DOUT, BIT(gpio)); + else + clrbits_le32(base + GPIO_DOUT, BIT(gpio)); + break; + case PIN_CONFIG_DRIVE_PUSH_PULL: + dev_dbg(dev, "set pin %d push pull\n", pin); + clrbits_le32(base + GPIO_OTYP, BIT(gpio)); + break; + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + dev_dbg(dev, "set pin %d open drain\n", pin); + setbits_le32(base + GPIO_OTYP, BIT(gpio)); + break; + case PIN_CONFIG_INPUT_DEBOUNCE: + dev_dbg(dev, "set pin %d input debounce\n", pin); + setbits_le32(base + GPIO_DBNC, BIT(gpio)); + break; + case PIN_CONFIG_POLARITY_STATE: + dev_dbg(dev, "set pin %d active %d\n", pin, arg); + if (arg) + setbits_le32(base + GPIO_POL, BIT(gpio)); + else + clrbits_le32(base + GPIO_POL, BIT(gpio)); + break; + case PIN_CONFIG_DRIVE_STRENGTH: + dev_dbg(dev, "set pin %d driver strength %d\n", pin, arg); + if (DSLO(flags) == arg) + clrbits_le32(base + GPIO_ODSC, BIT(gpio)); + else if (DSHI(flags) == arg) + setbits_le32(base + GPIO_ODSC, BIT(gpio)); + else + ret = -EOPNOTSUPP; + break; + case PIN_CONFIG_SLEW_RATE: + dev_dbg(dev, "set pin %d slew rate %d\n", pin, arg); + if (!(flags & SLEW)) { + ret = -EOPNOTSUPP; + break; + } + if (arg) + setbits_le32(base + GPIO_OSRC, BIT(gpio)); + else + clrbits_le32(base + GPIO_OSRC, BIT(gpio)); + break; + case PIN_CONFIG_EVENT_CLEAR: + dev_dbg(dev, "set pin %d event clear\n", pin); + clrbits_le32(base + GPIO_EVEN, BIT(gpio)); + setbits_le32(base + GPIO_EVST, BIT(gpio)); + break; + case PIN_CONFIG_PERSIST_STATE: + npcm8xx_gpio_reset_persist(dev, bank, arg); + break; + + default: + ret = -EOPNOTSUPP; + } + + return ret; +} +#endif + +static struct pinctrl_ops npcm8xx_pinctrl_ops = { + .set_state = pinctrl_generic_set_state, + .get_pins_count = npcm8xx_get_pins_count, + .get_pin_name = npcm8xx_get_pin_name, + .get_groups_count = npcm8xx_get_groups_count, + .get_group_name = npcm8xx_get_group_name, + .get_functions_count = npcm8xx_get_functions_count, + .get_function_name = npcm8xx_get_function_name, + .pinmux_set = npcm8xx_pinmux_set, + .pinmux_group_set = npcm8xx_pinmux_group_set, +#if CONFIG_IS_ENABLED(PINCONF) + .pinconf_num_params = ARRAY_SIZE(npcm8xx_conf_params), + .pinconf_params = npcm8xx_conf_params, + .pinconf_set = npcm8xx_pinconf_set, + .pinconf_group_set = npcm8xx_pinconf_set, +#endif +}; + +static int npcm8xx_pinctrl_probe(struct udevice *dev) +{ + struct npcm8xx_pinctrl_priv *priv = dev_get_priv(dev); + + priv->gpio_base = dev_read_addr_ptr(dev); + if (!priv->gpio_base) + return -EINVAL; + + priv->gcr_regmap = syscon_regmap_lookup_by_phandle(dev, "syscon-gcr"); + if (IS_ERR(priv->gcr_regmap)) + return -EINVAL; + + priv->rst_regmap = syscon_regmap_lookup_by_phandle(dev, "syscon-rst"); + if (IS_ERR(priv->rst_regmap)) + return -EINVAL; + + return 0; +} + +static const struct udevice_id npcm8xx_pinctrl_ids[] = { + { .compatible = "nuvoton,npcm845-pinctrl" }, + { } +}; + +U_BOOT_DRIVER(pinctrl_npcm8xx) = { + .name = "nuvoton_npcm8xx_pinctrl", + .id = UCLASS_PINCTRL, + .of_match = npcm8xx_pinctrl_ids, + .priv_auto = sizeof(struct npcm8xx_pinctrl_priv), + .ops = &npcm8xx_pinctrl_ops, + .probe = npcm8xx_pinctrl_probe, +};