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pinctrl: berlin: add the BG2 pinctrl driver
Add the pin-controller driver for the Berlin BG2 SoC, with definition of its groups and functions. Pin control registers are part of chip/ system control registers, which will be represented by a single node. Until a proper driver for the chip/system control is available, register the corresponding regmap in pinctrl driver probe. Signed-off-by: Antoine Tenart <[email protected]> Acked-by: Sebastian Hesselbarth <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
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obj-$(CONFIG_PINCTRL_BERLIN) += berlin.o | ||
obj-$(CONFIG_PINCTRL_BERLIN_BG2) += berlin-bg2.o | ||
obj-$(CONFIG_PINCTRL_BERLIN_BG2Q) += berlin-bg2q.o |
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/* | ||
* Marvell Berlin BG2 pinctrl driver. | ||
* | ||
* Copyright (C) 2014 Marvell Technology Group Ltd. | ||
* | ||
* Antoine Ténart <[email protected]> | ||
* | ||
* 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. | ||
*/ | ||
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#include <linux/module.h> | ||
#include <linux/of_device.h> | ||
#include <linux/platform_device.h> | ||
#include <linux/regmap.h> | ||
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#include "berlin.h" | ||
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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")), | ||
}; | ||
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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")), | ||
}; | ||
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static const struct berlin_pinctrl_desc berlin2_soc_pinctrl_data = { | ||
.groups = berlin2_soc_pinctrl_groups, | ||
.ngroups = ARRAY_SIZE(berlin2_soc_pinctrl_groups), | ||
}; | ||
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static const struct berlin_pinctrl_desc berlin2_sysmgr_pinctrl_data = { | ||
.groups = berlin2_sysmgr_pinctrl_groups, | ||
.ngroups = ARRAY_SIZE(berlin2_sysmgr_pinctrl_groups), | ||
}; | ||
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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); | ||
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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; | ||
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rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); | ||
if (!rmconfig) | ||
return -ENOMEM; | ||
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
base = devm_request_and_ioremap(&pdev->dev, res); | ||
if (!base) | ||
return -EADDRNOTAVAIL; | ||
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rmconfig->reg_bits = 32, | ||
rmconfig->val_bits = 32, | ||
rmconfig->reg_stride = 4, | ||
rmconfig->max_register = resource_size(res); | ||
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regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig); | ||
if (IS_ERR(regmap)) | ||
return PTR_ERR(regmap); | ||
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return berlin_pinctrl_probe(pdev, match->data); | ||
} | ||
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static struct platform_driver berlin2_pinctrl_driver = { | ||
.probe = berlin2_pinctrl_probe, | ||
.driver = { | ||
.name = "berlin-bg2-pinctrl", | ||
.owner = THIS_MODULE, | ||
.of_match_table = berlin2_pinctrl_match, | ||
}, | ||
}; | ||
module_platform_driver(berlin2_pinctrl_driver); | ||
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MODULE_AUTHOR("Antoine Ténart <[email protected]>"); | ||
MODULE_DESCRIPTION("Marvell Berlin BG2 pinctrl driver"); | ||
MODULE_LICENSE("GPL"); |