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linux/drivers/pinctrl/berlin/berlin-bg2cd.c
Thomas Hebb 3c6531c746 pinctrl: berlin: fix BG2CD field widths 
The previous register layout was incorrect, many of the fields having
fewer bits than were needed to represent all their modes. The new layout
is taken from the bootloader source of a BG2CD device.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-16 16:42:48 +02:00

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/*
* Marvell Berlin BG2CD pinctrl driver.
*
* Copyright (C) 2014 Marvell Technology Group Ltd.
*
* Antoine Ténart <antoine.tenart@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include "berlin.h"
static const struct berlin_desc_group berlin2cd_soc_pinctrl_groups[] = {
/* G */
BERLIN_PINCTRL_GROUP("G0", 0x00, 0x3, 0x00,
BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x2, "led"),
BERLIN_PINCTRL_FUNCTION(0x3, "pwm")),
BERLIN_PINCTRL_GROUP("G1", 0x00, 0x3, 0x03,
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
BERLIN_PINCTRL_GROUP("G2", 0x00, 0x3, 0x06,
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
BERLIN_PINCTRL_FUNCTION(0x2, "fe"),
BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
BERLIN_PINCTRL_GROUP("G3", 0x00, 0x3, 0x09,
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
BERLIN_PINCTRL_FUNCTION(0x2, "twsi2"),
BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
BERLIN_PINCTRL_FUNCTION(0x4, "fe"),
BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
BERLIN_PINCTRL_GROUP("G4", 0x00, 0x3, 0x0c,
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x0f,
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
BERLIN_PINCTRL_FUNCTION(0x3, "arc"),
BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
BERLIN_PINCTRL_GROUP("G6", 0x00, 0x3, 0x12,
BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x15,
BERLIN_PINCTRL_FUNCTION(0x0, "eddc"),
BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
BERLIN_PINCTRL_FUNCTION(0x2, "gpio")),
BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x18,
BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS0n */
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x1b,
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS1n/SS2n */
BERLIN_PINCTRL_FUNCTION(0x3, "twsi0")),
BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x1e,
BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* CLK */
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G11", 0x04, 0x2, 0x00,
BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SDI/SDO */
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G12", 0x04, 0x3, 0x02,
BERLIN_PINCTRL_FUNCTION(0x0, "usb1"),
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x05,
BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
BERLIN_PINCTRL_FUNCTION(0x1, "usb0_dbg"),
BERLIN_PINCTRL_FUNCTION(0x2, "usb1_dbg")),
BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x08,
BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G15", 0x04, 0x3, 0x09,
BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x0c,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x0f,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G18", 0x04, 0x2, 0x12,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G19", 0x04, 0x2, 0x14,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G20", 0x04, 0x2, 0x16,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x18,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x1b,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G23", 0x08, 0x3, 0x00,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G24", 0x08, 0x2, 0x03,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G25", 0x08, 0x2, 0x05,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G26", 0x08, 0x1, 0x07,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G27", 0x08, 0x2, 0x08,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G28", 0x08, 0x3, 0x0a,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("G29", 0x08, 0x3, 0x0d,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
};
static const struct berlin_desc_group berlin2cd_sysmgr_pinctrl_groups[] = {
/* GSM */
BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
};
static const struct berlin_pinctrl_desc berlin2cd_soc_pinctrl_data = {
.groups = berlin2cd_soc_pinctrl_groups,
.ngroups = ARRAY_SIZE(berlin2cd_soc_pinctrl_groups),
};
static const struct berlin_pinctrl_desc berlin2cd_sysmgr_pinctrl_data = {
.groups = berlin2cd_sysmgr_pinctrl_groups,
.ngroups = ARRAY_SIZE(berlin2cd_sysmgr_pinctrl_groups),
};
static const struct of_device_id berlin2cd_pinctrl_match[] = {
{
.compatible = "marvell,berlin2cd-soc-pinctrl",
.data = &berlin2cd_soc_pinctrl_data
},
{
.compatible = "marvell,berlin2cd-system-pinctrl",
.data = &berlin2cd_sysmgr_pinctrl_data
},
{}
};
MODULE_DEVICE_TABLE(of, berlin2cd_pinctrl_match);
static int berlin2cd_pinctrl_probe(struct platform_device *pdev)
{
const struct of_device_id *match =
of_match_device(berlin2cd_pinctrl_match, &pdev->dev);
return berlin_pinctrl_probe(pdev, match->data);
}
static struct platform_driver berlin2cd_pinctrl_driver = {
.probe = berlin2cd_pinctrl_probe,
.driver = {
.name = "berlin-bg2cd-pinctrl",
.of_match_table = berlin2cd_pinctrl_match,
},
};
module_platform_driver(berlin2cd_pinctrl_driver);
MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>");
MODULE_DESCRIPTION("Marvell Berlin BG2CD pinctrl driver");
MODULE_LICENSE("GPL");
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