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60242db1a7
The port controller IP found in the Allwinner A10 and A13 can use few of the pins it manage as an interrupt source, called external interrupts in the datasheet. The number of these external interrupts are SoCs specific, but the current upper limit is 32. In order to work, the external interrupts' pins have to be muxed to a specific function to generate an interrupt. This patch adds the irqchip and the needed logic to use the PIO controller as an interrupt controller. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
547 lines
24 KiB
C
547 lines
24 KiB
C
/*
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* Allwinner A1X SoCs pinctrl driver.
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*
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* Copyright (C) 2012 Maxime Ripard
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*
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* Maxime Ripard <maxime.ripard@free-electrons.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __PINCTRL_SUNXI_H
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#define __PINCTRL_SUNXI_H
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#include <linux/kernel.h>
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#define PA_BASE 0
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#define PB_BASE 32
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#define PC_BASE 64
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#define PD_BASE 96
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#define PE_BASE 128
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#define PF_BASE 160
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#define PG_BASE 192
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#define PH_BASE 224
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#define PI_BASE 256
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#define SUNXI_PINCTRL_PIN_PA0 PINCTRL_PIN(PA_BASE + 0, "PA0")
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#define SUNXI_PINCTRL_PIN_PA1 PINCTRL_PIN(PA_BASE + 1, "PA1")
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#define SUNXI_PINCTRL_PIN_PA2 PINCTRL_PIN(PA_BASE + 2, "PA2")
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#define SUNXI_PINCTRL_PIN_PA3 PINCTRL_PIN(PA_BASE + 3, "PA3")
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#define SUNXI_PINCTRL_PIN_PA4 PINCTRL_PIN(PA_BASE + 4, "PA4")
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#define SUNXI_PINCTRL_PIN_PA5 PINCTRL_PIN(PA_BASE + 5, "PA5")
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#define SUNXI_PINCTRL_PIN_PA6 PINCTRL_PIN(PA_BASE + 6, "PA6")
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#define SUNXI_PINCTRL_PIN_PA7 PINCTRL_PIN(PA_BASE + 7, "PA7")
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#define SUNXI_PINCTRL_PIN_PA8 PINCTRL_PIN(PA_BASE + 8, "PA8")
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#define SUNXI_PINCTRL_PIN_PA9 PINCTRL_PIN(PA_BASE + 9, "PA9")
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#define SUNXI_PINCTRL_PIN_PA10 PINCTRL_PIN(PA_BASE + 10, "PA10")
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#define SUNXI_PINCTRL_PIN_PA11 PINCTRL_PIN(PA_BASE + 11, "PA11")
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#define SUNXI_PINCTRL_PIN_PA12 PINCTRL_PIN(PA_BASE + 12, "PA12")
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#define SUNXI_PINCTRL_PIN_PA13 PINCTRL_PIN(PA_BASE + 13, "PA13")
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#define SUNXI_PINCTRL_PIN_PA14 PINCTRL_PIN(PA_BASE + 14, "PA14")
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#define SUNXI_PINCTRL_PIN_PA15 PINCTRL_PIN(PA_BASE + 15, "PA15")
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#define SUNXI_PINCTRL_PIN_PA16 PINCTRL_PIN(PA_BASE + 16, "PA16")
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#define SUNXI_PINCTRL_PIN_PA17 PINCTRL_PIN(PA_BASE + 17, "PA17")
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#define SUNXI_PINCTRL_PIN_PA18 PINCTRL_PIN(PA_BASE + 18, "PA18")
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#define SUNXI_PINCTRL_PIN_PA19 PINCTRL_PIN(PA_BASE + 19, "PA19")
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#define SUNXI_PINCTRL_PIN_PA20 PINCTRL_PIN(PA_BASE + 20, "PA20")
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#define SUNXI_PINCTRL_PIN_PA21 PINCTRL_PIN(PA_BASE + 21, "PA21")
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#define SUNXI_PINCTRL_PIN_PA22 PINCTRL_PIN(PA_BASE + 22, "PA22")
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#define SUNXI_PINCTRL_PIN_PA23 PINCTRL_PIN(PA_BASE + 23, "PA23")
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#define SUNXI_PINCTRL_PIN_PA24 PINCTRL_PIN(PA_BASE + 24, "PA24")
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#define SUNXI_PINCTRL_PIN_PA25 PINCTRL_PIN(PA_BASE + 25, "PA25")
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#define SUNXI_PINCTRL_PIN_PA26 PINCTRL_PIN(PA_BASE + 26, "PA26")
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#define SUNXI_PINCTRL_PIN_PA27 PINCTRL_PIN(PA_BASE + 27, "PA27")
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#define SUNXI_PINCTRL_PIN_PA28 PINCTRL_PIN(PA_BASE + 28, "PA28")
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#define SUNXI_PINCTRL_PIN_PA29 PINCTRL_PIN(PA_BASE + 29, "PA29")
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#define SUNXI_PINCTRL_PIN_PA30 PINCTRL_PIN(PA_BASE + 30, "PA30")
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#define SUNXI_PINCTRL_PIN_PA31 PINCTRL_PIN(PA_BASE + 31, "PA31")
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#define SUNXI_PINCTRL_PIN_PB0 PINCTRL_PIN(PB_BASE + 0, "PB0")
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#define SUNXI_PINCTRL_PIN_PB1 PINCTRL_PIN(PB_BASE + 1, "PB1")
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#define SUNXI_PINCTRL_PIN_PB2 PINCTRL_PIN(PB_BASE + 2, "PB2")
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#define SUNXI_PINCTRL_PIN_PB3 PINCTRL_PIN(PB_BASE + 3, "PB3")
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#define SUNXI_PINCTRL_PIN_PB4 PINCTRL_PIN(PB_BASE + 4, "PB4")
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#define SUNXI_PINCTRL_PIN_PB5 PINCTRL_PIN(PB_BASE + 5, "PB5")
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#define SUNXI_PINCTRL_PIN_PB6 PINCTRL_PIN(PB_BASE + 6, "PB6")
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#define SUNXI_PINCTRL_PIN_PB7 PINCTRL_PIN(PB_BASE + 7, "PB7")
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#define SUNXI_PINCTRL_PIN_PB8 PINCTRL_PIN(PB_BASE + 8, "PB8")
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#define SUNXI_PINCTRL_PIN_PB9 PINCTRL_PIN(PB_BASE + 9, "PB9")
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#define SUNXI_PINCTRL_PIN_PB10 PINCTRL_PIN(PB_BASE + 10, "PB10")
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#define SUNXI_PINCTRL_PIN_PB11 PINCTRL_PIN(PB_BASE + 11, "PB11")
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#define SUNXI_PINCTRL_PIN_PB12 PINCTRL_PIN(PB_BASE + 12, "PB12")
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#define SUNXI_PINCTRL_PIN_PB13 PINCTRL_PIN(PB_BASE + 13, "PB13")
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#define SUNXI_PINCTRL_PIN_PB14 PINCTRL_PIN(PB_BASE + 14, "PB14")
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#define SUNXI_PINCTRL_PIN_PB15 PINCTRL_PIN(PB_BASE + 15, "PB15")
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#define SUNXI_PINCTRL_PIN_PB16 PINCTRL_PIN(PB_BASE + 16, "PB16")
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#define SUNXI_PINCTRL_PIN_PB17 PINCTRL_PIN(PB_BASE + 17, "PB17")
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#define SUNXI_PINCTRL_PIN_PB18 PINCTRL_PIN(PB_BASE + 18, "PB18")
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#define SUNXI_PINCTRL_PIN_PB19 PINCTRL_PIN(PB_BASE + 19, "PB19")
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#define SUNXI_PINCTRL_PIN_PB20 PINCTRL_PIN(PB_BASE + 20, "PB20")
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#define SUNXI_PINCTRL_PIN_PB21 PINCTRL_PIN(PB_BASE + 21, "PB21")
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#define SUNXI_PINCTRL_PIN_PB22 PINCTRL_PIN(PB_BASE + 22, "PB22")
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#define SUNXI_PINCTRL_PIN_PB23 PINCTRL_PIN(PB_BASE + 23, "PB23")
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#define SUNXI_PINCTRL_PIN_PB24 PINCTRL_PIN(PB_BASE + 24, "PB24")
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#define SUNXI_PINCTRL_PIN_PB25 PINCTRL_PIN(PB_BASE + 25, "PB25")
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#define SUNXI_PINCTRL_PIN_PB26 PINCTRL_PIN(PB_BASE + 26, "PB26")
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#define SUNXI_PINCTRL_PIN_PB27 PINCTRL_PIN(PB_BASE + 27, "PB27")
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#define SUNXI_PINCTRL_PIN_PB28 PINCTRL_PIN(PB_BASE + 28, "PB28")
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#define SUNXI_PINCTRL_PIN_PB29 PINCTRL_PIN(PB_BASE + 29, "PB29")
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#define SUNXI_PINCTRL_PIN_PB30 PINCTRL_PIN(PB_BASE + 30, "PB30")
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#define SUNXI_PINCTRL_PIN_PB31 PINCTRL_PIN(PB_BASE + 31, "PB31")
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#define SUNXI_PINCTRL_PIN_PC0 PINCTRL_PIN(PC_BASE + 0, "PC0")
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#define SUNXI_PINCTRL_PIN_PC1 PINCTRL_PIN(PC_BASE + 1, "PC1")
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#define SUNXI_PINCTRL_PIN_PC2 PINCTRL_PIN(PC_BASE + 2, "PC2")
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#define SUNXI_PINCTRL_PIN_PC3 PINCTRL_PIN(PC_BASE + 3, "PC3")
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#define SUNXI_PINCTRL_PIN_PC4 PINCTRL_PIN(PC_BASE + 4, "PC4")
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#define SUNXI_PINCTRL_PIN_PC5 PINCTRL_PIN(PC_BASE + 5, "PC5")
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#define SUNXI_PINCTRL_PIN_PC6 PINCTRL_PIN(PC_BASE + 6, "PC6")
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#define SUNXI_PINCTRL_PIN_PC7 PINCTRL_PIN(PC_BASE + 7, "PC7")
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#define SUNXI_PINCTRL_PIN_PC8 PINCTRL_PIN(PC_BASE + 8, "PC8")
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#define SUNXI_PINCTRL_PIN_PC9 PINCTRL_PIN(PC_BASE + 9, "PC9")
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#define SUNXI_PINCTRL_PIN_PC10 PINCTRL_PIN(PC_BASE + 10, "PC10")
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#define SUNXI_PINCTRL_PIN_PC11 PINCTRL_PIN(PC_BASE + 11, "PC11")
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#define SUNXI_PINCTRL_PIN_PC12 PINCTRL_PIN(PC_BASE + 12, "PC12")
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#define SUNXI_PINCTRL_PIN_PC13 PINCTRL_PIN(PC_BASE + 13, "PC13")
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#define SUNXI_PINCTRL_PIN_PC14 PINCTRL_PIN(PC_BASE + 14, "PC14")
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#define SUNXI_PINCTRL_PIN_PC15 PINCTRL_PIN(PC_BASE + 15, "PC15")
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#define SUNXI_PINCTRL_PIN_PC16 PINCTRL_PIN(PC_BASE + 16, "PC16")
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#define SUNXI_PINCTRL_PIN_PC17 PINCTRL_PIN(PC_BASE + 17, "PC17")
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#define SUNXI_PINCTRL_PIN_PC18 PINCTRL_PIN(PC_BASE + 18, "PC18")
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#define SUNXI_PINCTRL_PIN_PC19 PINCTRL_PIN(PC_BASE + 19, "PC19")
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#define SUNXI_PINCTRL_PIN_PC20 PINCTRL_PIN(PC_BASE + 20, "PC20")
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#define SUNXI_PINCTRL_PIN_PC21 PINCTRL_PIN(PC_BASE + 21, "PC21")
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#define SUNXI_PINCTRL_PIN_PC22 PINCTRL_PIN(PC_BASE + 22, "PC22")
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#define SUNXI_PINCTRL_PIN_PC23 PINCTRL_PIN(PC_BASE + 23, "PC23")
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#define SUNXI_PINCTRL_PIN_PC24 PINCTRL_PIN(PC_BASE + 24, "PC24")
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#define SUNXI_PINCTRL_PIN_PC25 PINCTRL_PIN(PC_BASE + 25, "PC25")
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#define SUNXI_PINCTRL_PIN_PC26 PINCTRL_PIN(PC_BASE + 26, "PC26")
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#define SUNXI_PINCTRL_PIN_PC27 PINCTRL_PIN(PC_BASE + 27, "PC27")
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#define SUNXI_PINCTRL_PIN_PC28 PINCTRL_PIN(PC_BASE + 28, "PC28")
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#define SUNXI_PINCTRL_PIN_PC29 PINCTRL_PIN(PC_BASE + 29, "PC29")
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#define SUNXI_PINCTRL_PIN_PC30 PINCTRL_PIN(PC_BASE + 30, "PC30")
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#define SUNXI_PINCTRL_PIN_PC31 PINCTRL_PIN(PC_BASE + 31, "PC31")
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#define SUNXI_PINCTRL_PIN_PD0 PINCTRL_PIN(PD_BASE + 0, "PD0")
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#define SUNXI_PINCTRL_PIN_PD1 PINCTRL_PIN(PD_BASE + 1, "PD1")
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#define SUNXI_PINCTRL_PIN_PD2 PINCTRL_PIN(PD_BASE + 2, "PD2")
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#define SUNXI_PINCTRL_PIN_PD3 PINCTRL_PIN(PD_BASE + 3, "PD3")
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#define SUNXI_PINCTRL_PIN_PD4 PINCTRL_PIN(PD_BASE + 4, "PD4")
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#define SUNXI_PINCTRL_PIN_PD5 PINCTRL_PIN(PD_BASE + 5, "PD5")
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#define SUNXI_PINCTRL_PIN_PD6 PINCTRL_PIN(PD_BASE + 6, "PD6")
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#define SUNXI_PINCTRL_PIN_PD7 PINCTRL_PIN(PD_BASE + 7, "PD7")
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#define SUNXI_PINCTRL_PIN_PD8 PINCTRL_PIN(PD_BASE + 8, "PD8")
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#define SUNXI_PINCTRL_PIN_PD9 PINCTRL_PIN(PD_BASE + 9, "PD9")
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#define SUNXI_PINCTRL_PIN_PD10 PINCTRL_PIN(PD_BASE + 10, "PD10")
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#define SUNXI_PINCTRL_PIN_PD11 PINCTRL_PIN(PD_BASE + 11, "PD11")
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#define SUNXI_PINCTRL_PIN_PD12 PINCTRL_PIN(PD_BASE + 12, "PD12")
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#define SUNXI_PINCTRL_PIN_PD13 PINCTRL_PIN(PD_BASE + 13, "PD13")
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#define SUNXI_PINCTRL_PIN_PD14 PINCTRL_PIN(PD_BASE + 14, "PD14")
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#define SUNXI_PINCTRL_PIN_PD15 PINCTRL_PIN(PD_BASE + 15, "PD15")
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#define SUNXI_PINCTRL_PIN_PD16 PINCTRL_PIN(PD_BASE + 16, "PD16")
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#define SUNXI_PINCTRL_PIN_PD17 PINCTRL_PIN(PD_BASE + 17, "PD17")
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#define SUNXI_PINCTRL_PIN_PD18 PINCTRL_PIN(PD_BASE + 18, "PD18")
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#define SUNXI_PINCTRL_PIN_PD19 PINCTRL_PIN(PD_BASE + 19, "PD19")
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#define SUNXI_PINCTRL_PIN_PD20 PINCTRL_PIN(PD_BASE + 20, "PD20")
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#define SUNXI_PINCTRL_PIN_PD21 PINCTRL_PIN(PD_BASE + 21, "PD21")
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#define SUNXI_PINCTRL_PIN_PD22 PINCTRL_PIN(PD_BASE + 22, "PD22")
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#define SUNXI_PINCTRL_PIN_PD23 PINCTRL_PIN(PD_BASE + 23, "PD23")
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#define SUNXI_PINCTRL_PIN_PD24 PINCTRL_PIN(PD_BASE + 24, "PD24")
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#define SUNXI_PINCTRL_PIN_PD25 PINCTRL_PIN(PD_BASE + 25, "PD25")
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#define SUNXI_PINCTRL_PIN_PD26 PINCTRL_PIN(PD_BASE + 26, "PD26")
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#define SUNXI_PINCTRL_PIN_PD27 PINCTRL_PIN(PD_BASE + 27, "PD27")
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#define SUNXI_PINCTRL_PIN_PD28 PINCTRL_PIN(PD_BASE + 28, "PD28")
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#define SUNXI_PINCTRL_PIN_PD29 PINCTRL_PIN(PD_BASE + 29, "PD29")
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#define SUNXI_PINCTRL_PIN_PD30 PINCTRL_PIN(PD_BASE + 30, "PD30")
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#define SUNXI_PINCTRL_PIN_PD31 PINCTRL_PIN(PD_BASE + 31, "PD31")
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#define SUNXI_PINCTRL_PIN_PE0 PINCTRL_PIN(PE_BASE + 0, "PE0")
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#define SUNXI_PINCTRL_PIN_PE1 PINCTRL_PIN(PE_BASE + 1, "PE1")
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#define SUNXI_PINCTRL_PIN_PE2 PINCTRL_PIN(PE_BASE + 2, "PE2")
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#define SUNXI_PINCTRL_PIN_PE3 PINCTRL_PIN(PE_BASE + 3, "PE3")
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#define SUNXI_PINCTRL_PIN_PE4 PINCTRL_PIN(PE_BASE + 4, "PE4")
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#define SUNXI_PINCTRL_PIN_PE5 PINCTRL_PIN(PE_BASE + 5, "PE5")
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#define SUNXI_PINCTRL_PIN_PE6 PINCTRL_PIN(PE_BASE + 6, "PE6")
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#define SUNXI_PINCTRL_PIN_PE7 PINCTRL_PIN(PE_BASE + 7, "PE7")
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#define SUNXI_PINCTRL_PIN_PE8 PINCTRL_PIN(PE_BASE + 8, "PE8")
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#define SUNXI_PINCTRL_PIN_PE9 PINCTRL_PIN(PE_BASE + 9, "PE9")
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#define SUNXI_PINCTRL_PIN_PE10 PINCTRL_PIN(PE_BASE + 10, "PE10")
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#define SUNXI_PINCTRL_PIN_PE11 PINCTRL_PIN(PE_BASE + 11, "PE11")
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#define SUNXI_PINCTRL_PIN_PE12 PINCTRL_PIN(PE_BASE + 12, "PE12")
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#define SUNXI_PINCTRL_PIN_PE13 PINCTRL_PIN(PE_BASE + 13, "PE13")
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#define SUNXI_PINCTRL_PIN_PE14 PINCTRL_PIN(PE_BASE + 14, "PE14")
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#define SUNXI_PINCTRL_PIN_PE15 PINCTRL_PIN(PE_BASE + 15, "PE15")
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#define SUNXI_PINCTRL_PIN_PE16 PINCTRL_PIN(PE_BASE + 16, "PE16")
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#define SUNXI_PINCTRL_PIN_PE17 PINCTRL_PIN(PE_BASE + 17, "PE17")
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#define SUNXI_PINCTRL_PIN_PE18 PINCTRL_PIN(PE_BASE + 18, "PE18")
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#define SUNXI_PINCTRL_PIN_PE19 PINCTRL_PIN(PE_BASE + 19, "PE19")
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#define SUNXI_PINCTRL_PIN_PE20 PINCTRL_PIN(PE_BASE + 20, "PE20")
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#define SUNXI_PINCTRL_PIN_PE21 PINCTRL_PIN(PE_BASE + 21, "PE21")
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#define SUNXI_PINCTRL_PIN_PE22 PINCTRL_PIN(PE_BASE + 22, "PE22")
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#define SUNXI_PINCTRL_PIN_PE23 PINCTRL_PIN(PE_BASE + 23, "PE23")
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#define SUNXI_PINCTRL_PIN_PE24 PINCTRL_PIN(PE_BASE + 24, "PE24")
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#define SUNXI_PINCTRL_PIN_PE25 PINCTRL_PIN(PE_BASE + 25, "PE25")
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#define SUNXI_PINCTRL_PIN_PE26 PINCTRL_PIN(PE_BASE + 26, "PE26")
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#define SUNXI_PINCTRL_PIN_PE27 PINCTRL_PIN(PE_BASE + 27, "PE27")
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#define SUNXI_PINCTRL_PIN_PE28 PINCTRL_PIN(PE_BASE + 28, "PE28")
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#define SUNXI_PINCTRL_PIN_PE29 PINCTRL_PIN(PE_BASE + 29, "PE29")
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#define SUNXI_PINCTRL_PIN_PE30 PINCTRL_PIN(PE_BASE + 30, "PE30")
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#define SUNXI_PINCTRL_PIN_PE31 PINCTRL_PIN(PE_BASE + 31, "PE31")
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#define SUNXI_PINCTRL_PIN_PF0 PINCTRL_PIN(PF_BASE + 0, "PF0")
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#define SUNXI_PINCTRL_PIN_PF1 PINCTRL_PIN(PF_BASE + 1, "PF1")
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#define SUNXI_PINCTRL_PIN_PF2 PINCTRL_PIN(PF_BASE + 2, "PF2")
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#define SUNXI_PINCTRL_PIN_PF3 PINCTRL_PIN(PF_BASE + 3, "PF3")
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#define SUNXI_PINCTRL_PIN_PF4 PINCTRL_PIN(PF_BASE + 4, "PF4")
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#define SUNXI_PINCTRL_PIN_PF5 PINCTRL_PIN(PF_BASE + 5, "PF5")
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#define SUNXI_PINCTRL_PIN_PF6 PINCTRL_PIN(PF_BASE + 6, "PF6")
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#define SUNXI_PINCTRL_PIN_PF7 PINCTRL_PIN(PF_BASE + 7, "PF7")
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#define SUNXI_PINCTRL_PIN_PF8 PINCTRL_PIN(PF_BASE + 8, "PF8")
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#define SUNXI_PINCTRL_PIN_PF9 PINCTRL_PIN(PF_BASE + 9, "PF9")
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#define SUNXI_PINCTRL_PIN_PF10 PINCTRL_PIN(PF_BASE + 10, "PF10")
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#define SUNXI_PINCTRL_PIN_PF11 PINCTRL_PIN(PF_BASE + 11, "PF11")
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#define SUNXI_PINCTRL_PIN_PF12 PINCTRL_PIN(PF_BASE + 12, "PF12")
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#define SUNXI_PINCTRL_PIN_PF13 PINCTRL_PIN(PF_BASE + 13, "PF13")
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#define SUNXI_PINCTRL_PIN_PF14 PINCTRL_PIN(PF_BASE + 14, "PF14")
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#define SUNXI_PINCTRL_PIN_PF15 PINCTRL_PIN(PF_BASE + 15, "PF15")
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#define SUNXI_PINCTRL_PIN_PF16 PINCTRL_PIN(PF_BASE + 16, "PF16")
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#define SUNXI_PINCTRL_PIN_PF17 PINCTRL_PIN(PF_BASE + 17, "PF17")
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#define SUNXI_PINCTRL_PIN_PF18 PINCTRL_PIN(PF_BASE + 18, "PF18")
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#define SUNXI_PINCTRL_PIN_PF19 PINCTRL_PIN(PF_BASE + 19, "PF19")
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#define SUNXI_PINCTRL_PIN_PF20 PINCTRL_PIN(PF_BASE + 20, "PF20")
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#define SUNXI_PINCTRL_PIN_PF21 PINCTRL_PIN(PF_BASE + 21, "PF21")
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#define SUNXI_PINCTRL_PIN_PF22 PINCTRL_PIN(PF_BASE + 22, "PF22")
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#define SUNXI_PINCTRL_PIN_PF23 PINCTRL_PIN(PF_BASE + 23, "PF23")
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#define SUNXI_PINCTRL_PIN_PF24 PINCTRL_PIN(PF_BASE + 24, "PF24")
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#define SUNXI_PINCTRL_PIN_PF25 PINCTRL_PIN(PF_BASE + 25, "PF25")
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#define SUNXI_PINCTRL_PIN_PF26 PINCTRL_PIN(PF_BASE + 26, "PF26")
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#define SUNXI_PINCTRL_PIN_PF27 PINCTRL_PIN(PF_BASE + 27, "PF27")
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#define SUNXI_PINCTRL_PIN_PF28 PINCTRL_PIN(PF_BASE + 28, "PF28")
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#define SUNXI_PINCTRL_PIN_PF29 PINCTRL_PIN(PF_BASE + 29, "PF29")
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#define SUNXI_PINCTRL_PIN_PF30 PINCTRL_PIN(PF_BASE + 30, "PF30")
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#define SUNXI_PINCTRL_PIN_PF31 PINCTRL_PIN(PF_BASE + 31, "PF31")
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#define SUNXI_PINCTRL_PIN_PG0 PINCTRL_PIN(PG_BASE + 0, "PG0")
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#define SUNXI_PINCTRL_PIN_PG1 PINCTRL_PIN(PG_BASE + 1, "PG1")
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#define SUNXI_PINCTRL_PIN_PG2 PINCTRL_PIN(PG_BASE + 2, "PG2")
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#define SUNXI_PINCTRL_PIN_PG3 PINCTRL_PIN(PG_BASE + 3, "PG3")
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#define SUNXI_PINCTRL_PIN_PG4 PINCTRL_PIN(PG_BASE + 4, "PG4")
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#define SUNXI_PINCTRL_PIN_PG5 PINCTRL_PIN(PG_BASE + 5, "PG5")
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#define SUNXI_PINCTRL_PIN_PG6 PINCTRL_PIN(PG_BASE + 6, "PG6")
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#define SUNXI_PINCTRL_PIN_PG7 PINCTRL_PIN(PG_BASE + 7, "PG7")
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#define SUNXI_PINCTRL_PIN_PG8 PINCTRL_PIN(PG_BASE + 8, "PG8")
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#define SUNXI_PINCTRL_PIN_PG9 PINCTRL_PIN(PG_BASE + 9, "PG9")
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#define SUNXI_PINCTRL_PIN_PG10 PINCTRL_PIN(PG_BASE + 10, "PG10")
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#define SUNXI_PINCTRL_PIN_PG11 PINCTRL_PIN(PG_BASE + 11, "PG11")
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#define SUNXI_PINCTRL_PIN_PG12 PINCTRL_PIN(PG_BASE + 12, "PG12")
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#define SUNXI_PINCTRL_PIN_PG13 PINCTRL_PIN(PG_BASE + 13, "PG13")
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#define SUNXI_PINCTRL_PIN_PG14 PINCTRL_PIN(PG_BASE + 14, "PG14")
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#define SUNXI_PINCTRL_PIN_PG15 PINCTRL_PIN(PG_BASE + 15, "PG15")
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#define SUNXI_PINCTRL_PIN_PG16 PINCTRL_PIN(PG_BASE + 16, "PG16")
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#define SUNXI_PINCTRL_PIN_PG17 PINCTRL_PIN(PG_BASE + 17, "PG17")
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#define SUNXI_PINCTRL_PIN_PG18 PINCTRL_PIN(PG_BASE + 18, "PG18")
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#define SUNXI_PINCTRL_PIN_PG19 PINCTRL_PIN(PG_BASE + 19, "PG19")
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#define SUNXI_PINCTRL_PIN_PG20 PINCTRL_PIN(PG_BASE + 20, "PG20")
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#define SUNXI_PINCTRL_PIN_PG21 PINCTRL_PIN(PG_BASE + 21, "PG21")
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#define SUNXI_PINCTRL_PIN_PG22 PINCTRL_PIN(PG_BASE + 22, "PG22")
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#define SUNXI_PINCTRL_PIN_PG23 PINCTRL_PIN(PG_BASE + 23, "PG23")
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#define SUNXI_PINCTRL_PIN_PG24 PINCTRL_PIN(PG_BASE + 24, "PG24")
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#define SUNXI_PINCTRL_PIN_PG25 PINCTRL_PIN(PG_BASE + 25, "PG25")
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#define SUNXI_PINCTRL_PIN_PG26 PINCTRL_PIN(PG_BASE + 26, "PG26")
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#define SUNXI_PINCTRL_PIN_PG27 PINCTRL_PIN(PG_BASE + 27, "PG27")
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#define SUNXI_PINCTRL_PIN_PG28 PINCTRL_PIN(PG_BASE + 28, "PG28")
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#define SUNXI_PINCTRL_PIN_PG29 PINCTRL_PIN(PG_BASE + 29, "PG29")
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#define SUNXI_PINCTRL_PIN_PG30 PINCTRL_PIN(PG_BASE + 30, "PG30")
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#define SUNXI_PINCTRL_PIN_PG31 PINCTRL_PIN(PG_BASE + 31, "PG31")
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#define SUNXI_PINCTRL_PIN_PH0 PINCTRL_PIN(PH_BASE + 0, "PH0")
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#define SUNXI_PINCTRL_PIN_PH1 PINCTRL_PIN(PH_BASE + 1, "PH1")
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#define SUNXI_PINCTRL_PIN_PH2 PINCTRL_PIN(PH_BASE + 2, "PH2")
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#define SUNXI_PINCTRL_PIN_PH3 PINCTRL_PIN(PH_BASE + 3, "PH3")
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#define SUNXI_PINCTRL_PIN_PH4 PINCTRL_PIN(PH_BASE + 4, "PH4")
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#define SUNXI_PINCTRL_PIN_PH5 PINCTRL_PIN(PH_BASE + 5, "PH5")
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#define SUNXI_PINCTRL_PIN_PH6 PINCTRL_PIN(PH_BASE + 6, "PH6")
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#define SUNXI_PINCTRL_PIN_PH7 PINCTRL_PIN(PH_BASE + 7, "PH7")
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#define SUNXI_PINCTRL_PIN_PH8 PINCTRL_PIN(PH_BASE + 8, "PH8")
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#define SUNXI_PINCTRL_PIN_PH9 PINCTRL_PIN(PH_BASE + 9, "PH9")
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#define SUNXI_PINCTRL_PIN_PH10 PINCTRL_PIN(PH_BASE + 10, "PH10")
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#define SUNXI_PINCTRL_PIN_PH11 PINCTRL_PIN(PH_BASE + 11, "PH11")
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#define SUNXI_PINCTRL_PIN_PH12 PINCTRL_PIN(PH_BASE + 12, "PH12")
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#define SUNXI_PINCTRL_PIN_PH13 PINCTRL_PIN(PH_BASE + 13, "PH13")
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#define SUNXI_PINCTRL_PIN_PH14 PINCTRL_PIN(PH_BASE + 14, "PH14")
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#define SUNXI_PINCTRL_PIN_PH15 PINCTRL_PIN(PH_BASE + 15, "PH15")
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#define SUNXI_PINCTRL_PIN_PH16 PINCTRL_PIN(PH_BASE + 16, "PH16")
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#define SUNXI_PINCTRL_PIN_PH17 PINCTRL_PIN(PH_BASE + 17, "PH17")
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#define SUNXI_PINCTRL_PIN_PH18 PINCTRL_PIN(PH_BASE + 18, "PH18")
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#define SUNXI_PINCTRL_PIN_PH19 PINCTRL_PIN(PH_BASE + 19, "PH19")
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#define SUNXI_PINCTRL_PIN_PH20 PINCTRL_PIN(PH_BASE + 20, "PH20")
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#define SUNXI_PINCTRL_PIN_PH21 PINCTRL_PIN(PH_BASE + 21, "PH21")
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#define SUNXI_PINCTRL_PIN_PH22 PINCTRL_PIN(PH_BASE + 22, "PH22")
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#define SUNXI_PINCTRL_PIN_PH23 PINCTRL_PIN(PH_BASE + 23, "PH23")
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#define SUNXI_PINCTRL_PIN_PH24 PINCTRL_PIN(PH_BASE + 24, "PH24")
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#define SUNXI_PINCTRL_PIN_PH25 PINCTRL_PIN(PH_BASE + 25, "PH25")
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#define SUNXI_PINCTRL_PIN_PH26 PINCTRL_PIN(PH_BASE + 26, "PH26")
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#define SUNXI_PINCTRL_PIN_PH27 PINCTRL_PIN(PH_BASE + 27, "PH27")
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#define SUNXI_PINCTRL_PIN_PH28 PINCTRL_PIN(PH_BASE + 28, "PH28")
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#define SUNXI_PINCTRL_PIN_PH29 PINCTRL_PIN(PH_BASE + 29, "PH29")
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#define SUNXI_PINCTRL_PIN_PH30 PINCTRL_PIN(PH_BASE + 30, "PH30")
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#define SUNXI_PINCTRL_PIN_PH31 PINCTRL_PIN(PH_BASE + 31, "PH31")
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#define SUNXI_PINCTRL_PIN_PI0 PINCTRL_PIN(PI_BASE + 0, "PI0")
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#define SUNXI_PINCTRL_PIN_PI1 PINCTRL_PIN(PI_BASE + 1, "PI1")
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#define SUNXI_PINCTRL_PIN_PI2 PINCTRL_PIN(PI_BASE + 2, "PI2")
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#define SUNXI_PINCTRL_PIN_PI3 PINCTRL_PIN(PI_BASE + 3, "PI3")
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#define SUNXI_PINCTRL_PIN_PI4 PINCTRL_PIN(PI_BASE + 4, "PI4")
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#define SUNXI_PINCTRL_PIN_PI5 PINCTRL_PIN(PI_BASE + 5, "PI5")
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#define SUNXI_PINCTRL_PIN_PI6 PINCTRL_PIN(PI_BASE + 6, "PI6")
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#define SUNXI_PINCTRL_PIN_PI7 PINCTRL_PIN(PI_BASE + 7, "PI7")
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#define SUNXI_PINCTRL_PIN_PI8 PINCTRL_PIN(PI_BASE + 8, "PI8")
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#define SUNXI_PINCTRL_PIN_PI9 PINCTRL_PIN(PI_BASE + 9, "PI9")
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#define SUNXI_PINCTRL_PIN_PI10 PINCTRL_PIN(PI_BASE + 10, "PI10")
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#define SUNXI_PINCTRL_PIN_PI11 PINCTRL_PIN(PI_BASE + 11, "PI11")
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#define SUNXI_PINCTRL_PIN_PI12 PINCTRL_PIN(PI_BASE + 12, "PI12")
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#define SUNXI_PINCTRL_PIN_PI13 PINCTRL_PIN(PI_BASE + 13, "PI13")
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#define SUNXI_PINCTRL_PIN_PI14 PINCTRL_PIN(PI_BASE + 14, "PI14")
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#define SUNXI_PINCTRL_PIN_PI15 PINCTRL_PIN(PI_BASE + 15, "PI15")
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#define SUNXI_PINCTRL_PIN_PI16 PINCTRL_PIN(PI_BASE + 16, "PI16")
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#define SUNXI_PINCTRL_PIN_PI17 PINCTRL_PIN(PI_BASE + 17, "PI17")
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#define SUNXI_PINCTRL_PIN_PI18 PINCTRL_PIN(PI_BASE + 18, "PI18")
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#define SUNXI_PINCTRL_PIN_PI19 PINCTRL_PIN(PI_BASE + 19, "PI19")
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#define SUNXI_PINCTRL_PIN_PI20 PINCTRL_PIN(PI_BASE + 20, "PI20")
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#define SUNXI_PINCTRL_PIN_PI21 PINCTRL_PIN(PI_BASE + 21, "PI21")
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#define SUNXI_PINCTRL_PIN_PI22 PINCTRL_PIN(PI_BASE + 22, "PI22")
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#define SUNXI_PINCTRL_PIN_PI23 PINCTRL_PIN(PI_BASE + 23, "PI23")
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#define SUNXI_PINCTRL_PIN_PI24 PINCTRL_PIN(PI_BASE + 24, "PI24")
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#define SUNXI_PINCTRL_PIN_PI25 PINCTRL_PIN(PI_BASE + 25, "PI25")
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#define SUNXI_PINCTRL_PIN_PI26 PINCTRL_PIN(PI_BASE + 26, "PI26")
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#define SUNXI_PINCTRL_PIN_PI27 PINCTRL_PIN(PI_BASE + 27, "PI27")
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#define SUNXI_PINCTRL_PIN_PI28 PINCTRL_PIN(PI_BASE + 28, "PI28")
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#define SUNXI_PINCTRL_PIN_PI29 PINCTRL_PIN(PI_BASE + 29, "PI29")
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#define SUNXI_PINCTRL_PIN_PI30 PINCTRL_PIN(PI_BASE + 30, "PI30")
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#define SUNXI_PINCTRL_PIN_PI31 PINCTRL_PIN(PI_BASE + 31, "PI31")
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#define SUNXI_PIN_NAME_MAX_LEN 5
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#define BANK_MEM_SIZE 0x24
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#define MUX_REGS_OFFSET 0x0
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#define DATA_REGS_OFFSET 0x10
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#define DLEVEL_REGS_OFFSET 0x14
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#define PULL_REGS_OFFSET 0x1c
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#define PINS_PER_BANK 32
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#define MUX_PINS_PER_REG 8
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#define MUX_PINS_BITS 4
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#define MUX_PINS_MASK 0x0f
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#define DATA_PINS_PER_REG 32
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#define DATA_PINS_BITS 1
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#define DATA_PINS_MASK 0x01
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#define DLEVEL_PINS_PER_REG 16
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#define DLEVEL_PINS_BITS 2
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#define DLEVEL_PINS_MASK 0x03
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#define PULL_PINS_PER_REG 16
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#define PULL_PINS_BITS 2
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#define PULL_PINS_MASK 0x03
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#define SUNXI_IRQ_NUMBER 32
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#define IRQ_CFG_REG 0x200
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#define IRQ_CFG_IRQ_PER_REG 8
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#define IRQ_CFG_IRQ_BITS 4
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#define IRQ_CFG_IRQ_MASK ((1 << IRQ_CFG_IRQ_BITS) - 1)
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#define IRQ_CTRL_REG 0x210
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#define IRQ_CTRL_IRQ_PER_REG 32
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#define IRQ_CTRL_IRQ_BITS 1
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#define IRQ_CTRL_IRQ_MASK ((1 << IRQ_CTRL_IRQ_BITS) - 1)
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#define IRQ_STATUS_REG 0x214
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#define IRQ_STATUS_IRQ_PER_REG 32
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#define IRQ_STATUS_IRQ_BITS 1
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#define IRQ_STATUS_IRQ_MASK ((1 << IRQ_STATUS_IRQ_BITS) - 1)
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#define IRQ_EDGE_RISING 0x00
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#define IRQ_EDGE_FALLING 0x01
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#define IRQ_LEVEL_HIGH 0x02
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#define IRQ_LEVEL_LOW 0x03
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#define IRQ_EDGE_BOTH 0x04
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struct sunxi_desc_function {
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const char *name;
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u8 muxval;
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u8 irqnum;
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};
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struct sunxi_desc_pin {
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struct pinctrl_pin_desc pin;
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struct sunxi_desc_function *functions;
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};
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struct sunxi_pinctrl_desc {
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const struct sunxi_desc_pin *pins;
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int npins;
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struct pinctrl_gpio_range *ranges;
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int nranges;
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};
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struct sunxi_pinctrl_function {
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const char *name;
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const char **groups;
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unsigned ngroups;
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};
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struct sunxi_pinctrl_group {
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const char *name;
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unsigned long config;
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unsigned pin;
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};
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struct sunxi_pinctrl {
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void __iomem *membase;
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struct gpio_chip *chip;
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struct sunxi_pinctrl_desc *desc;
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struct device *dev;
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struct irq_domain *domain;
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struct sunxi_pinctrl_function *functions;
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unsigned nfunctions;
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struct sunxi_pinctrl_group *groups;
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unsigned ngroups;
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int irq;
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int irq_array[SUNXI_IRQ_NUMBER];
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struct pinctrl_dev *pctl_dev;
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};
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#define SUNXI_PIN(_pin, ...) \
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{ \
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.pin = _pin, \
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.functions = (struct sunxi_desc_function[]){ \
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__VA_ARGS__, { } }, \
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}
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#define SUNXI_FUNCTION(_val, _name) \
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{ \
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.name = _name, \
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.muxval = _val, \
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}
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#define SUNXI_FUNCTION_IRQ(_val, _irq) \
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{ \
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.name = "irq", \
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.muxval = _val, \
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.irqnum = _irq, \
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}
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/*
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* The sunXi PIO registers are organized as is:
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* 0x00 - 0x0c Muxing values.
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* 8 pins per register, each pin having a 4bits value
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* 0x10 Pin values
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* 32 bits per register, each pin corresponding to one bit
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* 0x14 - 0x18 Drive level
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* 16 pins per register, each pin having a 2bits value
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* 0x1c - 0x20 Pull-Up values
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* 16 pins per register, each pin having a 2bits value
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*
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* This is for the first bank. Each bank will have the same layout,
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* with an offset being a multiple of 0x24.
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*
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* The following functions calculate from the pin number the register
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* and the bit offset that we should access.
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*/
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static inline u32 sunxi_mux_reg(u16 pin)
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{
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u8 bank = pin / PINS_PER_BANK;
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u32 offset = bank * BANK_MEM_SIZE;
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offset += MUX_REGS_OFFSET;
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offset += pin % PINS_PER_BANK / MUX_PINS_PER_REG * 0x04;
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return round_down(offset, 4);
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}
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static inline u32 sunxi_mux_offset(u16 pin)
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{
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u32 pin_num = pin % MUX_PINS_PER_REG;
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return pin_num * MUX_PINS_BITS;
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}
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static inline u32 sunxi_data_reg(u16 pin)
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{
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u8 bank = pin / PINS_PER_BANK;
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u32 offset = bank * BANK_MEM_SIZE;
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offset += DATA_REGS_OFFSET;
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offset += pin % PINS_PER_BANK / DATA_PINS_PER_REG * 0x04;
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return round_down(offset, 4);
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}
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static inline u32 sunxi_data_offset(u16 pin)
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{
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u32 pin_num = pin % DATA_PINS_PER_REG;
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return pin_num * DATA_PINS_BITS;
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}
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static inline u32 sunxi_dlevel_reg(u16 pin)
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{
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u8 bank = pin / PINS_PER_BANK;
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u32 offset = bank * BANK_MEM_SIZE;
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offset += DLEVEL_REGS_OFFSET;
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offset += pin % PINS_PER_BANK / DLEVEL_PINS_PER_REG * 0x04;
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return round_down(offset, 4);
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}
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static inline u32 sunxi_dlevel_offset(u16 pin)
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{
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u32 pin_num = pin % DLEVEL_PINS_PER_REG;
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return pin_num * DLEVEL_PINS_BITS;
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}
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static inline u32 sunxi_pull_reg(u16 pin)
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{
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u8 bank = pin / PINS_PER_BANK;
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u32 offset = bank * BANK_MEM_SIZE;
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offset += PULL_REGS_OFFSET;
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offset += pin % PINS_PER_BANK / PULL_PINS_PER_REG * 0x04;
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return round_down(offset, 4);
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}
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static inline u32 sunxi_pull_offset(u16 pin)
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{
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u32 pin_num = pin % PULL_PINS_PER_REG;
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return pin_num * PULL_PINS_BITS;
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}
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static inline u32 sunxi_irq_cfg_reg(u16 irq)
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{
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u8 reg = irq / IRQ_CFG_IRQ_PER_REG;
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return reg + IRQ_CFG_REG;
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}
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static inline u32 sunxi_irq_cfg_offset(u16 irq)
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{
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u32 irq_num = irq % IRQ_CFG_IRQ_PER_REG;
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return irq_num * IRQ_CFG_IRQ_BITS;
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}
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static inline u32 sunxi_irq_ctrl_reg(u16 irq)
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{
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u8 reg = irq / IRQ_CTRL_IRQ_PER_REG;
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return reg + IRQ_CTRL_REG;
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}
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static inline u32 sunxi_irq_ctrl_offset(u16 irq)
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{
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u32 irq_num = irq % IRQ_CTRL_IRQ_PER_REG;
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return irq_num * IRQ_CTRL_IRQ_BITS;
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}
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static inline u32 sunxi_irq_status_reg(u16 irq)
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{
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u8 reg = irq / IRQ_STATUS_IRQ_PER_REG;
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return reg + IRQ_STATUS_REG;
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}
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static inline u32 sunxi_irq_status_offset(u16 irq)
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{
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u32 irq_num = irq % IRQ_STATUS_IRQ_PER_REG;
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return irq_num * IRQ_STATUS_IRQ_BITS;
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}
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#endif /* __PINCTRL_SUNXI_H */
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