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Commit 1951384c authored by Robert Jarzmik's avatar Robert Jarzmik Committed by Linus Walleij
Browse files

pinctrl: pxa: add pxa25x architecture 



Add the pxa25x architecture, which is a pxa2xx with 85 pins. The
registers spacing, and pins logic is common to pxa2xx, only the pins and
their alternate function are specific to pxa25x.

Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 26e6aaaf

drivers/pinctrl/pxa/Kconfig

+9 −1
Original line number Diff line number Diff line
@@ -6,12 +6,20 @@ config PINCTRL_PXA 
	select PINCONF

	select GENERIC_PINCONF



config PINCTRL_PXA25X

	tristate "Marvell PXA25x pin controller driver"

	select PINCTRL_PXA

	default y if PXA25x

	help

	  This is the pinctrl, pinmux, pinconf driver for the Marvell

	  PXA2xx block found in the pxa25x platforms.



config PINCTRL_PXA27X

	tristate "Marvell PXA27x pin controller driver"

	select PINCTRL_PXA

	default y if PXA27x

	help

	  This is the pinctrl, pinmux, pinconf driver for the Marvell

	  PXA2xx block found in the pxa25x and pxa27x platforms.

	  PXA2xx block found in the pxa27x platforms.



endif

drivers/pinctrl/pxa/Makefile

+1 −0
Original line number Diff line number Diff line 
# Marvell PXA pin control drivers

obj-$(CONFIG_PINCTRL_PXA25X)	+= pinctrl-pxa2xx.o pinctrl-pxa25x.o

obj-$(CONFIG_PINCTRL_PXA27X)	+= pinctrl-pxa2xx.o pinctrl-pxa27x.o

drivers/pinctrl/pxa/pinctrl-pxa25x.c

0 → 100644
+274 −0
Original line number Diff line number Diff line 
/*

 * Marvell PXA25x family pin control

 *

 * Copyright (C) 2016 Robert Jarzmik

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License.

 *

 */

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/pinctrl/pinctrl.h>



#include "pinctrl-pxa2xx.h"



static const struct pxa_desc_pin pxa25x_pins[] = {

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(0)),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(1),

		     PXA_FUNCTION(0, 1, "GP_RST")),

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(2)),

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(3)),

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(4)),

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(5)),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(6),

		     PXA_FUNCTION(1, 1, "MMCCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(7),

		     PXA_FUNCTION(1, 1, "48_MHz")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(8),

		     PXA_FUNCTION(1, 1, "MMCCS0")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(9),

		     PXA_FUNCTION(1, 1, "MMCCS1")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(10),

		     PXA_FUNCTION(1, 1, "RTCCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(11),

		     PXA_FUNCTION(1, 1, "3_6_MHz")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(12),

		     PXA_FUNCTION(1, 1, "32_kHz")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(13),

		     PXA_FUNCTION(1, 2, "MBGNT")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(14),

		     PXA_FUNCTION(0, 1, "MBREQ")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(15),

		     PXA_FUNCTION(1, 2, "nCS_1")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(16),

		     PXA_FUNCTION(1, 2, "PWM0")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(17),

		     PXA_FUNCTION(1, 2, "PWM1")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(18),

		     PXA_FUNCTION(0, 1, "RDY")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(19),

		     PXA_FUNCTION(0, 1, "DREQ[1]")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(20),

		     PXA_FUNCTION(0, 1, "DREQ[0]")),

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(21)),

	PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(22)),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(23),

		     PXA_FUNCTION(1, 2, "SCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(24),

		     PXA_FUNCTION(1, 2, "SFRM")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(25),

		     PXA_FUNCTION(1, 2, "TXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(26),

		     PXA_FUNCTION(0, 1, "RXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(27),

		     PXA_FUNCTION(0, 1, "EXTCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(28),

		     PXA_FUNCTION(0, 1, "BITCLK"),

		     PXA_FUNCTION(0, 2, "BITCLK"),

		     PXA_FUNCTION(1, 1, "BITCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(29),

		     PXA_FUNCTION(0, 1, "SDATA_IN0"),

		     PXA_FUNCTION(0, 2, "SDATA_IN")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(30),

		     PXA_FUNCTION(1, 1, "SDATA_OUT"),

		     PXA_FUNCTION(1, 2, "SDATA_OUT")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(31),

		     PXA_FUNCTION(1, 1, "SYNC"),

		     PXA_FUNCTION(1, 2, "SYNC")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(32),

		     PXA_FUNCTION(0, 1, "SDATA_IN1"),

		     PXA_FUNCTION(1, 1, "SYSCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(33),

		     PXA_FUNCTION(1, 2, "nCS[5]")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(34),

		     PXA_FUNCTION(0, 1, "FFRXD"),

		     PXA_FUNCTION(1, 2, "MMCCS0")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(35),

		     PXA_FUNCTION(0, 1, "CTS")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(36),

		     PXA_FUNCTION(0, 1, "DCD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(37),

		     PXA_FUNCTION(0, 1, "DSR")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(38),

		     PXA_FUNCTION(0, 1, "RI")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(39),

		     PXA_FUNCTION(1, 1, "MMCC1"),

		     PXA_FUNCTION(1, 2, "FFTXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(40),

		     PXA_FUNCTION(1, 2, "DTR")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(41),

		     PXA_FUNCTION(1, 2, "RTS")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(42),

		     PXA_FUNCTION(0, 1, "BTRXD"),

		     PXA_FUNCTION(0, 3, "HWRXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(43),

		     PXA_FUNCTION(1, 2, "BTTXD"),

		     PXA_FUNCTION(1, 3, "HWTXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(44),

		     PXA_FUNCTION(0, 1, "BTCTS"),

		     PXA_FUNCTION(0, 3, "HWCTS")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(45),

		     PXA_FUNCTION(1, 2, "BTRTS"),

		     PXA_FUNCTION(1, 3, "HWRTS")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(46),

		     PXA_FUNCTION(0, 1, "ICP_RXD"),

		     PXA_FUNCTION(0, 2, "RXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(47),

		     PXA_FUNCTION(1, 1, "TXD"),

		     PXA_FUNCTION(1, 2, "ICP_TXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(48),

		     PXA_FUNCTION(1, 1, "HWTXD"),

		     PXA_FUNCTION(1, 2, "nPOE")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(49),

		     PXA_FUNCTION(0, 1, "HWRXD"),

		     PXA_FUNCTION(1, 2, "nPWE")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(50),

		     PXA_FUNCTION(0, 1, "HWCTS"),

		     PXA_FUNCTION(1, 2, "nPIOR")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(51),

		     PXA_FUNCTION(1, 1, "HWRTS"),

		     PXA_FUNCTION(1, 2, "nPIOW")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(52),

		     PXA_FUNCTION(1, 2, "nPCE[1]")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(53),

		     PXA_FUNCTION(1, 1, "MMCCLK"),

		     PXA_FUNCTION(1, 2, "nPCE[2]")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(54),

		     PXA_FUNCTION(1, 1, "MMCCLK"),

		     PXA_FUNCTION(1, 2, "nPSKTSEL")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(55),

		     PXA_FUNCTION(1, 2, "nPREG")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(56),

		     PXA_FUNCTION(0, 1, "nPWAIT")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(57),

		     PXA_FUNCTION(0, 1, "nIOIS16")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(58),

		     PXA_FUNCTION(1, 2, "LDD<0>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(59),

		     PXA_FUNCTION(1, 2, "LDD<1>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(60),

		     PXA_FUNCTION(1, 2, "LDD<2>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(61),

		     PXA_FUNCTION(1, 2, "LDD<3>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(62),

		     PXA_FUNCTION(1, 2, "LDD<4>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(63),

		     PXA_FUNCTION(1, 2, "LDD<5>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(64),

		     PXA_FUNCTION(1, 2, "LDD<6>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(65),

		     PXA_FUNCTION(1, 2, "LDD<7>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(66),

		     PXA_FUNCTION(0, 1, "MBREQ"),

		     PXA_FUNCTION(1, 2, "LDD<8>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(67),

		     PXA_FUNCTION(1, 1, "MMCCS0"),

		     PXA_FUNCTION(1, 2, "LDD<9>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(68),

		     PXA_FUNCTION(1, 1, "MMCCS1"),

		     PXA_FUNCTION(1, 2, "LDD<10>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(69),

		     PXA_FUNCTION(1, 1, "MMCCLK"),

		     PXA_FUNCTION(1, 2, "LDD<11>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(70),

		     PXA_FUNCTION(1, 1, "RTCCLK"),

		     PXA_FUNCTION(1, 2, "LDD<12>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(71),

		     PXA_FUNCTION(1, 1, "3_6_MHz"),

		     PXA_FUNCTION(1, 2, "LDD<13>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(72),

		     PXA_FUNCTION(1, 1, "32_kHz"),

		     PXA_FUNCTION(1, 2, "LDD<14>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(73),

		     PXA_FUNCTION(1, 1, "MBGNT"),

		     PXA_FUNCTION(1, 2, "LDD<15>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(74),

		     PXA_FUNCTION(1, 2, "LCD_FCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(75),

		     PXA_FUNCTION(1, 2, "LCD_LCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(76),

		     PXA_FUNCTION(1, 2, "LCD_PCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(77),

		     PXA_FUNCTION(1, 2, "LCD_ACBIAS")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(78),

		     PXA_FUNCTION(1, 2, "nCS<2>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(79),

		     PXA_FUNCTION(1, 2, "nCS<3>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(80),

		     PXA_FUNCTION(1, 2, "nCS<4>")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(81),

		     PXA_FUNCTION(0, 1, "NSSPSCLK"),

		     PXA_FUNCTION(1, 1, "NSSPSCLK")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(82),

		     PXA_FUNCTION(0, 1, "NSSPSFRM"),

		     PXA_FUNCTION(1, 1, "NSSPSFRM")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(83),

		     PXA_FUNCTION(0, 2, "NSSPRXD"),

		     PXA_FUNCTION(1, 1, "NSSPTXD")),

	PXA_GPIO_PIN(PXA_PINCTRL_PIN(84),

		     PXA_FUNCTION(0, 2, "NSSPRXD"),

		     PXA_FUNCTION(1, 1, "NSSPTXD")),

};



static int pxa25x_pinctrl_probe(struct platform_device *pdev)

{

	int ret, i;

	void __iomem *base_af[8];

	void __iomem *base_dir[4];

	void __iomem *base_sleep[4];

	struct resource *res;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	base_af[0] = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(base_af[0]))

		return PTR_ERR(base_af[0]);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);

	base_dir[0] = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(base_dir[0]))

		return PTR_ERR(base_dir[0]);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 2);

	base_dir[3] = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(base_dir[3]))

		return PTR_ERR(base_dir[3]);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 3);

	base_sleep[0] = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(base_sleep[0]))

		return PTR_ERR(base_sleep[0]);



	for (i = 0; i < ARRAY_SIZE(base_af); i++)

		base_af[i] = base_af[0] + sizeof(base_af[0]) * i;

	for (i = 0; i < 3; i++)

		base_dir[i] = base_dir[0] + sizeof(base_dir[0]) * i;

	for (i = 0; i < ARRAY_SIZE(base_sleep); i++)

		base_sleep[i] = base_sleep[0] + sizeof(base_af[0]) * i;



	ret = pxa2xx_pinctrl_init(pdev, pxa25x_pins, ARRAY_SIZE(pxa25x_pins),

				  base_af, base_dir, base_sleep);

	return ret;

}



static const struct of_device_id pxa25x_pinctrl_match[] = {

	{ .compatible = "marvell,pxa25x-pinctrl", },

	{}

};

MODULE_DEVICE_TABLE(of, pxa25x_pinctrl_match);



static struct platform_driver pxa25x_pinctrl_driver = {

	.probe	= pxa25x_pinctrl_probe,

	.driver	= {

		.name		= "pxa25x-pinctrl",

		.of_match_table	= pxa25x_pinctrl_match,

	},

};

module_platform_driver(pxa25x_pinctrl_driver);



MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik@free.fr>");

MODULE_DESCRIPTION("Marvell PXA25x pinctrl driver");

MODULE_LICENSE("GPL v2");