274 lines
9.8 KiB
C
274 lines
9.8 KiB
C
/*
|
|
* Marvell Berlin BG2 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 berlin2_soc_pinctrl_groups[] = {
|
|
/* G */
|
|
BERLIN_PINCTRL_GROUP("G0", 0x00, 0x1, 0x00,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "spi1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
|
|
BERLIN_PINCTRL_GROUP("G1", 0x00, 0x2, 0x01,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "spi1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "usb1")),
|
|
BERLIN_PINCTRL_GROUP("G2", 0x00, 0x2, 0x02,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "spi1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "pwm"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "i2s0")),
|
|
BERLIN_PINCTRL_GROUP("G3", 0x00, 0x2, 0x04,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "spi1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "i2s1")),
|
|
BERLIN_PINCTRL_GROUP("G4", 0x00, 0x2, 0x06,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "spi1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "pwm")),
|
|
BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x08,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sts1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "et"),
|
|
/*
|
|
* Mode 0x3 mux i2s2 mclk *and* i2s3 mclk:
|
|
* add two functions so it can be used with other groups
|
|
* within the same subnode in the device tree
|
|
*/
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "i2s2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "i2s3")),
|
|
BERLIN_PINCTRL_GROUP("G6", 0x00, 0x2, 0x0b,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sts0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "et")),
|
|
BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sts0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "et"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "vdac")),
|
|
BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x10,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "et"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
|
|
BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "et"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
|
|
BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "twsi0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "ptp")),
|
|
BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "eddc")),
|
|
BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "sts2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sata"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "sd1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "sts1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
|
|
BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "sata"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "sd1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "sts1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
|
|
BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x03,
|
|
BERLIN_PINCTRL_FUNCTION_UNKNOWN),
|
|
BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "et"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "osco")),
|
|
BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "fp")),
|
|
BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "fp")),
|
|
BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "pll"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "i2s0")),
|
|
BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "i2s0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "pwm")),
|
|
BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "spdif"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "arc")),
|
|
BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "adac_dbg"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "pdm_a"), /* gpio17..19,pdm */
|
|
BERLIN_PINCTRL_FUNCTION(0x7, "pdm_b")), /* gpio12..14,pdm */
|
|
BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "dv0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "twsi0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "pwm")),
|
|
BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "vclki"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "dv0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "i2s0"),
|
|
BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
|
|
BERLIN_PINCTRL_FUNCTION(0x7, "pdm")),
|
|
BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "i2s2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "i2s1")),
|
|
BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "nand"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "i2s2")),
|
|
BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "emmc")),
|
|
BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "nand")),
|
|
BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "dvo"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "sp")),
|
|
};
|
|
|
|
static const struct berlin_desc_group berlin2_sysmgr_pinctrl_groups[] = {
|
|
/* GSM */
|
|
BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "spi2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "eth1")),
|
|
BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "spi2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "eth1")),
|
|
BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "twsi2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "spi2")),
|
|
BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "uart0"), /* CTS/RTS */
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "uart2"), /* RX/TX */
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "twsi2")),
|
|
BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "irda0")),
|
|
BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "uart1"), /* RX/TX */
|
|
BERLIN_PINCTRL_FUNCTION(0x2, "irda1"),
|
|
BERLIN_PINCTRL_FUNCTION(0x3, "twsi3")),
|
|
BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "spi2"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "clki")),
|
|
BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")),
|
|
BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")),
|
|
BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "led")),
|
|
BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "led")),
|
|
BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
|
|
BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
|
|
BERLIN_PINCTRL_FUNCTION(0x1, "led")),
|
|
};
|
|
|
|
static const struct berlin_pinctrl_desc berlin2_soc_pinctrl_data = {
|
|
.groups = berlin2_soc_pinctrl_groups,
|
|
.ngroups = ARRAY_SIZE(berlin2_soc_pinctrl_groups),
|
|
};
|
|
|
|
static const struct berlin_pinctrl_desc berlin2_sysmgr_pinctrl_data = {
|
|
.groups = berlin2_sysmgr_pinctrl_groups,
|
|
.ngroups = ARRAY_SIZE(berlin2_sysmgr_pinctrl_groups),
|
|
};
|
|
|
|
static const struct of_device_id berlin2_pinctrl_match[] = {
|
|
{
|
|
.compatible = "marvell,berlin2-chip-ctrl",
|
|
.data = &berlin2_soc_pinctrl_data
|
|
},
|
|
{
|
|
.compatible = "marvell,berlin2-system-ctrl",
|
|
.data = &berlin2_sysmgr_pinctrl_data
|
|
},
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, berlin2_pinctrl_match);
|
|
|
|
static int berlin2_pinctrl_probe(struct platform_device *pdev)
|
|
{
|
|
const struct of_device_id *match =
|
|
of_match_device(berlin2_pinctrl_match, &pdev->dev);
|
|
struct regmap_config *rmconfig;
|
|
struct regmap *regmap;
|
|
struct resource *res;
|
|
void __iomem *base;
|
|
|
|
rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL);
|
|
if (!rmconfig)
|
|
return -ENOMEM;
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
base = devm_ioremap_resource(&pdev->dev, res);
|
|
if (IS_ERR(base))
|
|
return PTR_ERR(base);
|
|
|
|
rmconfig->reg_bits = 32,
|
|
rmconfig->val_bits = 32,
|
|
rmconfig->reg_stride = 4,
|
|
rmconfig->max_register = resource_size(res);
|
|
|
|
regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig);
|
|
if (IS_ERR(regmap))
|
|
return PTR_ERR(regmap);
|
|
|
|
return berlin_pinctrl_probe(pdev, match->data);
|
|
}
|
|
|
|
static struct platform_driver berlin2_pinctrl_driver = {
|
|
.probe = berlin2_pinctrl_probe,
|
|
.driver = {
|
|
.name = "berlin-bg2-pinctrl",
|
|
.of_match_table = berlin2_pinctrl_match,
|
|
},
|
|
};
|
|
module_platform_driver(berlin2_pinctrl_driver);
|
|
|
|
MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>");
|
|
MODULE_DESCRIPTION("Marvell Berlin BG2 pinctrl driver");
|
|
MODULE_LICENSE("GPL");
|