diff options
Diffstat (limited to 'drivers/pinctrl/berlin/berlin-bg2cd.c')
| -rw-r--r-- | drivers/pinctrl/berlin/berlin-bg2cd.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/drivers/pinctrl/berlin/berlin-bg2cd.c b/drivers/pinctrl/berlin/berlin-bg2cd.c new file mode 100644 index 000000000..19ac5a22c --- /dev/null +++ b/drivers/pinctrl/berlin/berlin-bg2cd.c @@ -0,0 +1,216 @@ +/* + * 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, 0x1, 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, 0x2, 0x01, + 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, 0x2, 0x02, + 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, 0x2, 0x04, + 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, 0x2, 0x06, + 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, 0x08, + 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, 0x2, 0x0b, + BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */ + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d, + BERLIN_PINCTRL_FUNCTION(0x0, "eddc"), + BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"), + BERLIN_PINCTRL_FUNCTION(0x2, "gpio")), + BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x10, + BERLIN_PINCTRL_FUNCTION(0x0, "ss0"), + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13, + BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), + BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), + BERLIN_PINCTRL_FUNCTION(0x2, "twsi0")), + BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16, + BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18, + BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a, + BERLIN_PINCTRL_FUNCTION(0x0, "usb1"), + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00, + BERLIN_PINCTRL_FUNCTION(0x0, "nand"), + BERLIN_PINCTRL_FUNCTION(0x1, "usb0_dbg"), + BERLIN_PINCTRL_FUNCTION(0x2, "usb1_dbg")), + BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x03, + BERLIN_PINCTRL_FUNCTION(0x0, "nand"), + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04, + BERLIN_PINCTRL_FUNCTION(0x0, "jtag"), + BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), + BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d, + BERLIN_PINCTRL_FUNCTION_UNKNOWN), + BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e, + 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-chip-ctrl", + .data = &berlin2cd_soc_pinctrl_data + }, + { + .compatible = "marvell,berlin2cd-system-ctrl", + .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); + 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 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"); |