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-rw-r--r--drivers/gpio/gpio-tz1090.c2
-rw-r--r--drivers/gpio/gpiolib-acpi.c62
-rw-r--r--drivers/pinctrl/Kconfig13
-rw-r--r--drivers/pinctrl/Makefile2
-rw-r--r--drivers/pinctrl/freescale/pinctrl-imx.c72
-rw-r--r--drivers/pinctrl/freescale/pinctrl-mxs.c25
-rw-r--r--drivers/pinctrl/intel/Kconfig27
-rw-r--r--drivers/pinctrl/intel/Makefile4
-rw-r--r--drivers/pinctrl/intel/pinctrl-baytrail.c (renamed from drivers/pinctrl/pinctrl-baytrail.c)7
-rw-r--r--drivers/pinctrl/intel/pinctrl-cherryview.c1519
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-abx500.c33
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c4
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-nomadik.c18
-rw-r--r--drivers/pinctrl/pinconf-generic.c71
-rw-r--r--drivers/pinctrl/pinctrl-at91.c17
-rw-r--r--drivers/pinctrl/pinctrl-at91.h72
-rw-r--r--drivers/pinctrl/pinctrl-bcm281xx.c5
-rw-r--r--drivers/pinctrl/pinctrl-rockchip.c116
-rw-r--r--drivers/pinctrl/pinctrl-st.c2
-rw-r--r--drivers/pinctrl/pinctrl-tb10x.c8
-rw-r--r--drivers/pinctrl/pinctrl-tegra-xusb.c19
-rw-r--r--drivers/pinctrl/qcom/Kconfig13
-rw-r--r--drivers/pinctrl/qcom/Makefile2
-rw-r--r--drivers/pinctrl/qcom/pinctrl-spmi-gpio.c933
-rw-r--r--drivers/pinctrl/qcom/pinctrl-spmi-mpp.c949
-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos.c376
-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos.h3
-rw-r--r--drivers/pinctrl/samsung/pinctrl-s3c24xx.c30
-rw-r--r--drivers/pinctrl/samsung/pinctrl-s3c64xx.c31
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.c131
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.h82
-rw-r--r--drivers/pinctrl/sunxi/Kconfig4
-rw-r--r--drivers/pinctrl/sunxi/Makefile1
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sun9i-a80.c749
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sunxi.h1
35 files changed, 5055 insertions, 348 deletions
diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c
index 5246a60eff6d..6107d0682fd6 100644
--- a/drivers/gpio/gpio-tz1090.c
+++ b/drivers/gpio/gpio-tz1090.c
@@ -446,7 +446,7 @@ static int tz1090_gpio_bank_probe(struct tz1090_gpio_bank_info *info)
bank->irq = irq_of_parse_and_map(np, 0);
/* The interrupt is optional (it may be used by another core on chip) */
- if (bank->irq < 0) {
+ if (!bank->irq) {
dev_info(dev, "IRQ not provided for bank %u, IRQs disabled\n",
info->index);
return 0;
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index ba98bb59a58f..c3bdaff71c25 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -11,12 +11,14 @@
*/
#include <linux/errno.h>
+#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/gpio/driver.h>
#include <linux/export.h>
#include <linux/acpi.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
+#include <linux/pinctrl/pinctrl.h>
#include "gpiolib.h"
@@ -55,6 +57,58 @@ static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
return ACPI_HANDLE(gc->dev) == data;
}
+#ifdef CONFIG_PINCTRL
+/**
+ * acpi_gpiochip_pin_to_gpio_offset() - translates ACPI GPIO to Linux GPIO
+ * @chip: GPIO chip
+ * @pin: ACPI GPIO pin number from GpioIo/GpioInt resource
+ *
+ * Function takes ACPI GpioIo/GpioInt pin number as a parameter and
+ * translates it to a corresponding offset suitable to be passed to a
+ * GPIO controller driver.
+ *
+ * Typically the returned offset is same as @pin, but if the GPIO
+ * controller uses pin controller and the mapping is not contigous the
+ * offset might be different.
+ */
+static int acpi_gpiochip_pin_to_gpio_offset(struct gpio_chip *chip, int pin)
+{
+ struct gpio_pin_range *pin_range;
+
+ /* If there are no ranges in this chip, use 1:1 mapping */
+ if (list_empty(&chip->pin_ranges))
+ return pin;
+
+ list_for_each_entry(pin_range, &chip->pin_ranges, node) {
+ const struct pinctrl_gpio_range *range = &pin_range->range;
+ int i;
+
+ if (range->pins) {
+ for (i = 0; i < range->npins; i++) {
+ if (range->pins[i] == pin)
+ return range->base + i - chip->base;
+ }
+ } else {
+ if (pin >= range->pin_base &&
+ pin < range->pin_base + range->npins) {
+ unsigned gpio_base;
+
+ gpio_base = range->base - chip->base;
+ return gpio_base + pin - range->pin_base;
+ }
+ }
+ }
+
+ return -EINVAL;
+}
+#else
+static inline int acpi_gpiochip_pin_to_gpio_offset(struct gpio_chip *chip,
+ int pin)
+{
+ return pin;
+}
+#endif
+
/**
* acpi_get_gpiod() - Translate ACPI GPIO pin to GPIO descriptor usable with GPIO API
* @path: ACPI GPIO controller full path name, (e.g. "\\_SB.GPO1")
@@ -69,6 +123,7 @@ static struct gpio_desc *acpi_get_gpiod(char *path, int pin)
struct gpio_chip *chip;
acpi_handle handle;
acpi_status status;
+ int offset;
status = acpi_get_handle(NULL, path, &handle);
if (ACPI_FAILURE(status))
@@ -78,10 +133,11 @@ static struct gpio_desc *acpi_get_gpiod(char *path, int pin)
if (!chip)
return ERR_PTR(-ENODEV);
- if (pin < 0 || pin > chip->ngpio)
- return ERR_PTR(-EINVAL);
+ offset = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
+ if (offset < 0)
+ return ERR_PTR(offset);
- return gpiochip_get_desc(chip, pin);
+ return gpiochip_get_desc(chip, offset);
}
static irqreturn_t acpi_gpio_irq_handler(int irq, void *data)
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index c6a66de6ed72..d014f22f387a 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -67,18 +67,6 @@ config PINCTRL_AT91
help
Say Y here to enable the at91 pinctrl driver
-config PINCTRL_BAYTRAIL
- bool "Intel Baytrail GPIO pin control"
- depends on GPIOLIB && ACPI && X86
- select GPIOLIB_IRQCHIP
- help
- driver for memory mapped GPIO functionality on Intel Baytrail
- platforms. Supports 3 banks with 102, 28 and 44 gpios.
- Most pins are usually muxed to some other functionality by firmware,
- so only a small amount is available for gpio use.
-
- Requires ACPI device enumeration code to set up a platform device.
-
config PINCTRL_BCM2835
bool
select PINMUX
@@ -205,6 +193,7 @@ config PINCTRL_PALMAS
source "drivers/pinctrl/berlin/Kconfig"
source "drivers/pinctrl/freescale/Kconfig"
+source "drivers/pinctrl/intel/Kconfig"
source "drivers/pinctrl/mvebu/Kconfig"
source "drivers/pinctrl/nomadik/Kconfig"
source "drivers/pinctrl/qcom/Kconfig"
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 51f52d32859e..c030b3db8034 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -15,7 +15,6 @@ obj-$(CONFIG_PINCTRL_BF54x) += pinctrl-adi2-bf54x.o
obj-$(CONFIG_PINCTRL_BF60x) += pinctrl-adi2-bf60x.o
obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at91.o
obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o
-obj-$(CONFIG_PINCTRL_BAYTRAIL) += pinctrl-baytrail.o
obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o
obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o
obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o
@@ -39,6 +38,7 @@ obj-$(CONFIG_PINCTRL_ST) += pinctrl-st.o
obj-$(CONFIG_ARCH_BERLIN) += berlin/
obj-y += freescale/
+obj-$(CONFIG_X86) += intel/
obj-$(CONFIG_PLAT_ORION) += mvebu/
obj-y += nomadik/
obj-$(CONFIG_ARCH_QCOM) += qcom/
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index f2446769247f..52f2b9404fe0 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -294,11 +294,83 @@ static int imx_pmx_get_groups(struct pinctrl_dev *pctldev, unsigned selector,
return 0;
}
+static int imx_pmx_gpio_request_enable(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range, unsigned offset)
+{
+ struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
+ const struct imx_pinctrl_soc_info *info = ipctl->info;
+ const struct imx_pin_reg *pin_reg;
+ struct imx_pin_group *grp;
+ struct imx_pin *imx_pin;
+ unsigned int pin, group;
+ u32 reg;
+
+ /* Currently implementation only for shared mux/conf register */
+ if (!(info->flags & SHARE_MUX_CONF_REG))
+ return -EINVAL;
+
+ pin_reg = &info->pin_regs[offset];
+ if (pin_reg->mux_reg == -1)
+ return -EINVAL;
+
+ /* Find the pinctrl config with GPIO mux mode for the requested pin */
+ for (group = 0; group < info->ngroups; group++) {
+ grp = &info->groups[group];
+ for (pin = 0; pin < grp->npins; pin++) {
+ imx_pin = &grp->pins[pin];
+ if (imx_pin->pin == offset && !imx_pin->mux_mode)
+ goto mux_pin;
+ }
+ }
+
+ return -EINVAL;
+
+mux_pin:
+ reg = readl(ipctl->base + pin_reg->mux_reg);
+ reg &= ~(0x7 << 20);
+ reg |= imx_pin->config;
+ writel(reg, ipctl->base + pin_reg->mux_reg);
+
+ return 0;
+}
+
+static int imx_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range, unsigned offset, bool input)
+{
+ struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
+ const struct imx_pinctrl_soc_info *info = ipctl->info;
+ const struct imx_pin_reg *pin_reg;
+ u32 reg;
+
+ /*
+ * Only Vybrid has the input/output buffer enable flags (IBE/OBE)
+ * They are part of the shared mux/conf register.
+ */
+ if (!(info->flags & SHARE_MUX_CONF_REG))
+ return -EINVAL;
+
+ pin_reg = &info->pin_regs[offset];
+ if (pin_reg->mux_reg == -1)
+ return -EINVAL;
+
+ /* IBE always enabled allows us to read the value "on the wire" */
+ reg = readl(ipctl->base + pin_reg->mux_reg);
+ if (input)
+ reg &= ~0x2;
+ else
+ reg |= 0x2;
+ writel(reg, ipctl->base + pin_reg->mux_reg);
+
+ return 0;
+}
+
static const struct pinmux_ops imx_pmx_ops = {
.get_functions_count = imx_pmx_get_funcs_count,
.get_function_name = imx_pmx_get_func_name,
.get_function_groups = imx_pmx_get_groups,
.set_mux = imx_pmx_set,
+ .gpio_request_enable = imx_pmx_gpio_request_enable,
+ .gpio_set_direction = imx_pmx_gpio_set_direction,
};
static int imx_pinconf_get(struct pinctrl_dev *pctldev,
diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c
index f98c6bb0f769..646d5c244af1 100644
--- a/drivers/pinctrl/freescale/pinctrl-mxs.c
+++ b/drivers/pinctrl/freescale/pinctrl-mxs.c
@@ -445,6 +445,31 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev,
if (of_property_read_u32(child, "reg", &val))
continue;
if (strcmp(fn, child->name)) {
+ struct device_node *child2;
+
+ /*
+ * This reference is dropped by
+ * of_get_next_child(np, * child)
+ */
+ of_node_get(child);
+
+ /*
+ * The logic parsing the functions from dt currently
+ * doesn't handle if functions with the same name are
+ * not grouped together. Only the first contiguous
+ * cluster is usable for each function name. This is a
+ * bug that is not trivial to fix, but at least warn
+ * about it.
+ */
+ for (child2 = of_get_next_child(np, child);
+ child2 != NULL;
+ child2 = of_get_next_child(np, child2)) {
+ if (!strcmp(child2->name, fn))
+ dev_warn(&pdev->dev,
+ "function nodes must be grouped by name (failed for: %s)",
+ fn);
+ }
+
f = &soc->functions[idxf++];
f->name = fn = child->name;
}
diff --git a/drivers/pinctrl/intel/Kconfig b/drivers/pinctrl/intel/Kconfig
new file mode 100644
index 000000000000..b801d869e91c
--- /dev/null
+++ b/drivers/pinctrl/intel/Kconfig
@@ -0,0 +1,27 @@
+#
+# Intel pin control drivers
+#
+
+config PINCTRL_BAYTRAIL
+ bool "Intel Baytrail GPIO pin control"
+ depends on GPIOLIB && ACPI
+ select GPIOLIB_IRQCHIP
+ help
+ driver for memory mapped GPIO functionality on Intel Baytrail
+ platforms. Supports 3 banks with 102, 28 and 44 gpios.
+ Most pins are usually muxed to some other functionality by firmware,
+ so only a small amount is available for gpio use.
+
+ Requires ACPI device enumeration code to set up a platform device.
+
+config PINCTRL_CHERRYVIEW
+ tristate "Intel Cherryview/Braswell pinctrl and GPIO driver"
+ depends on ACPI
+ select PINMUX
+ select PINCONF
+ select GENERIC_PINCONF
+ select GPIOLIB
+ select GPIOLIB_IRQCHIP
+ help
+ Cherryview/Braswell pinctrl driver provides an interface that
+ allows configuring of SoC pins and using them as GPIOs.
diff --git a/drivers/pinctrl/intel/Makefile b/drivers/pinctrl/intel/Makefile
new file mode 100644
index 000000000000..4c210e4139e2
--- /dev/null
+++ b/drivers/pinctrl/intel/Makefile
@@ -0,0 +1,4 @@
+# Intel pin control drivers
+
+obj-$(CONFIG_PINCTRL_BAYTRAIL) += pinctrl-baytrail.o
+obj-$(CONFIG_PINCTRL_CHERRYVIEW) += pinctrl-cherryview.o
diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 9dc38140194b..7db000431da7 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -616,5 +616,10 @@ static int __init byt_gpio_init(void)
{
return platform_driver_register(&byt_gpio_driver);
}
-
subsys_initcall(byt_gpio_init);
+
+static void __exit byt_gpio_exit(void)
+{
+ platform_driver_unregister(&byt_gpio_driver);
+}
+module_exit(byt_gpio_exit);
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
new file mode 100644
index 000000000000..e9f8b39d1a9f
--- /dev/null
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -0,0 +1,1519 @@
+/*
+ * Cherryview/Braswell pinctrl driver
+ *
+ * Copyright (C) 2014, Intel Corporation
+ * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
+ *
+ * This driver is based on the original Cherryview GPIO driver by
+ * Ning Li <ning.li@intel.com>
+ * Alan Cox <alan@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
+#include <linux/acpi.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/platform_device.h>
+
+#define CHV_INTSTAT 0x300
+#define CHV_INTMASK 0x380
+
+#define FAMILY_PAD_REGS_OFF 0x4400
+#define FAMILY_PAD_REGS_SIZE 0x400
+#define MAX_FAMILY_PAD_GPIO_NO 15
+#define GPIO_REGS_SIZE 8
+
+#define CHV_PADCTRL0 0x000
+#define CHV_PADCTRL0_INTSEL_SHIFT 28
+#define CHV_PADCTRL0_INTSEL_MASK (0xf << CHV_PADCTRL0_INTSEL_SHIFT)
+#define CHV_PADCTRL0_TERM_UP BIT(23)
+#define CHV_PADCTRL0_TERM_SHIFT 20
+#define CHV_PADCTRL0_TERM_MASK (7 << CHV_PADCTRL0_TERM_SHIFT)
+#define CHV_PADCTRL0_TERM_20K 1
+#define CHV_PADCTRL0_TERM_5K 2
+#define CHV_PADCTRL0_TERM_1K 4
+#define CHV_PADCTRL0_PMODE_SHIFT 16
+#define CHV_PADCTRL0_PMODE_MASK (0xf << CHV_PADCTRL0_PMODE_SHIFT)
+#define CHV_PADCTRL0_GPIOEN BIT(15)
+#define CHV_PADCTRL0_GPIOCFG_SHIFT 8
+#define CHV_PADCTRL0_GPIOCFG_MASK (7 << CHV_PADCTRL0_GPIOCFG_SHIFT)
+#define CHV_PADCTRL0_GPIOCFG_GPIO 0
+#define CHV_PADCTRL0_GPIOCFG_GPO 1
+#define CHV_PADCTRL0_GPIOCFG_GPI 2
+#define CHV_PADCTRL0_GPIOCFG_HIZ 3
+#define CHV_PADCTRL0_GPIOTXSTATE BIT(1)
+#define CHV_PADCTRL0_GPIORXSTATE BIT(0)
+
+#define CHV_PADCTRL1 0x004
+#define CHV_PADCTRL1_CFGLOCK BIT(31)
+#define CHV_PADCTRL1_INVRXTX_SHIFT 4
+#define CHV_PADCTRL1_INVRXTX_MASK (0xf << CHV_PADCTRL1_INVRXTX_SHIFT)
+#define CHV_PADCTRL1_INVRXTX_TXENABLE (2 << CHV_PADCTRL1_INVRXTX_SHIFT)
+#define CHV_PADCTRL1_ODEN BIT(3)
+#define CHV_PADCTRL1_INVRXTX_RXDATA (4 << CHV_PADCTRL1_INVRXTX_SHIFT)
+#define CHV_PADCTRL1_INTWAKECFG_MASK 7
+#define CHV_PADCTRL1_INTWAKECFG_FALLING 1
+#define CHV_PADCTRL1_INTWAKECFG_RISING 2
+#define CHV_PADCTRL1_INTWAKECFG_BOTH 3
+#define CHV_PADCTRL1_INTWAKECFG_LEVEL 4
+
+/**
+ * struct chv_alternate_function - A per group or per pin alternate function
+ * @pin: Pin number (only used in per pin configs)
+ * @mode: Mode the pin should be set in
+ * @invert_oe: Invert OE for this pin
+ */
+struct chv_alternate_function {
+ unsigned pin;
+ u8 mode;
+ bool invert_oe;
+};
+
+/**
+ * struct chv_pincgroup - describes a CHV pin group
+ * @name: Name of the group
+ * @pins: An array of pins in this group
+ * @npins: Number of pins in this group
+ * @altfunc: Alternate function applied to all pins in this group
+ * @overrides: Alternate function override per pin or %NULL if not used
+ * @noverrides: Number of per pin alternate function overrides if
+ * @overrides != NULL.
+ */
+struct chv_pingroup {
+ const char *name;
+ const unsigned *pins;
+ size_t npins;
+ struct chv_alternate_function altfunc;
+ const struct chv_alternate_function *overrides;
+ size_t noverrides;
+};
+
+/**
+ * struct chv_function - A CHV pinmux function
+ * @name: Name of the function
+ * @groups: An array of groups for this function
+ * @ngroups: Number of groups in @groups
+ */
+struct chv_function {
+ const char *name;
+ const char * const *groups;
+ size_t ngroups;
+};
+
+/**
+ * struct chv_gpio_pinrange - A range of pins that can be used as GPIOs
+ * @base: Start pin number
+ * @npins: Number of pins in this range
+ */
+struct chv_gpio_pinrange {
+ unsigned base;
+ unsigned npins;
+};
+
+/**
+ * struct chv_community - A community specific configuration
+ * @uid: ACPI _UID used to match the community
+ * @pins: All pins in this community
+ * @npins: Number of pins
+ * @groups: All groups in this community
+ * @ngroups: Number of groups
+ * @functions: All functions in this community
+ * @nfunctions: Number of functions
+ * @ngpios: Number of GPIOs in this community
+ * @gpio_ranges: An array of GPIO ranges in this community
+ * @ngpio_ranges: Number of GPIO ranges
+ * @ngpios: Total number of GPIOs in this community
+ */
+struct chv_community {
+ const char *uid;
+ const struct pinctrl_pin_desc *pins;
+ size_t npins;
+ const struct chv_pingroup *groups;
+ size_t ngroups;
+ const struct chv_function *functions;
+ size_t nfunctions;
+ const struct chv_gpio_pinrange *gpio_ranges;
+ size_t ngpio_ranges;
+ size_t ngpios;
+};
+
+/**
+ * struct chv_pinctrl - CHV pinctrl private structure
+ * @dev: Pointer to the parent device
+ * @pctldesc: Pin controller description
+ * @pctldev: Pointer to the pin controller device
+ * @chip: GPIO chip in this pin controller
+ * @regs: MMIO registers
+ * @lock: Lock to serialize register accesses
+ * @intr_lines: Stores mapping between 16 HW interrupt wires and GPIO
+ * offset (in GPIO number space)
+ * @community: Community this pinctrl instance represents
+ *
+ * The first group in @groups is expected to contain all pins that can be
+ * used as GPIOs.
+ */
+struct chv_pinctrl {
+ struct device *dev;
+ struct pinctrl_desc pctldesc;
+ struct pinctrl_dev *pctldev;
+ struct gpio_chip chip;
+ void __iomem *regs;
+ spinlock_t lock;
+ unsigned intr_lines[16];
+ const struct chv_community *community;
+};
+
+#define gpiochip_to_pinctrl(c) container_of(c, struct chv_pinctrl, chip)
+
+#define ALTERNATE_FUNCTION(p, m, i) \
+ { \
+ .pin = (p), \
+ .mode = (m), \
+ .invert_oe = (i), \
+ }
+
+#define PIN_GROUP(n, p, m, i) \
+ { \
+ .name = (n), \
+ .pins = (p), \
+ .npins = ARRAY_SIZE((p)), \
+ .altfunc.mode = (m), \
+ .altfunc.invert_oe = (i), \
+ }
+
+#define PIN_GROUP_WITH_OVERRIDE(n, p, m, i, o) \
+ { \
+ .name = (n), \
+ .pins = (p), \
+ .npins = ARRAY_SIZE((p)), \
+ .altfunc.mode = (m), \
+ .altfunc.invert_oe = (i), \
+ .overrides = (o), \
+ .noverrides = ARRAY_SIZE((o)), \
+ }
+
+#define FUNCTION(n, g) \
+ { \
+ .name = (n), \
+ .groups = (g), \
+ .ngroups = ARRAY_SIZE((g)), \
+ }
+
+#define GPIO_PINRANGE(start, end) \
+ { \
+ .base = (start), \
+ .npins = (end) - (start) + 1, \
+ }
+
+static const struct pinctrl_pin_desc southwest_pins[] = {
+ PINCTRL_PIN(0, "FST_SPI_D2"),
+ PINCTRL_PIN(1, "FST_SPI_D0"),
+ PINCTRL_PIN(2, "FST_SPI_CLK"),
+ PINCTRL_PIN(3, "FST_SPI_D3"),
+ PINCTRL_PIN(4, "FST_SPI_CS1_B"),
+ PINCTRL_PIN(5, "FST_SPI_D1"),
+ PINCTRL_PIN(6, "FST_SPI_CS0_B"),
+ PINCTRL_PIN(7, "FST_SPI_CS2_B"),
+
+ PINCTRL_PIN(15, "UART1_RTS_B"),
+ PINCTRL_PIN(16, "UART1_RXD"),
+ PINCTRL_PIN(17, "UART2_RXD"),
+ PINCTRL_PIN(18, "UART1_CTS_B"),
+ PINCTRL_PIN(19, "UART2_RTS_B"),
+ PINCTRL_PIN(20, "UART1_TXD"),
+ PINCTRL_PIN(21, "UART2_TXD"),
+ PINCTRL_PIN(22, "UART2_CTS_B"),
+
+ PINCTRL_PIN(30, "MF_HDA_CLK"),
+ PINCTRL_PIN(31, "MF_HDA_RSTB"),
+ PINCTRL_PIN(32, "MF_HDA_SDIO"),
+ PINCTRL_PIN(33, "MF_HDA_SDO"),
+ PINCTRL_PIN(34, "MF_HDA_DOCKRSTB"),
+ PINCTRL_PIN(35, "MF_HDA_SYNC"),
+ PINCTRL_PIN(36, "MF_HDA_SDI1"),
+ PINCTRL_PIN(37, "MF_HDA_DOCKENB"),
+
+ PINCTRL_PIN(45, "I2C5_SDA"),
+ PINCTRL_PIN(46, "I2C4_SDA"),
+ PINCTRL_PIN(47, "I2C6_SDA"),
+ PINCTRL_PIN(48, "I2C5_SCL"),
+ PINCTRL_PIN(49, "I2C_NFC_SDA"),
+ PINCTRL_PIN(50, "I2C4_SCL"),
+ PINCTRL_PIN(51, "I2C6_SCL"),
+ PINCTRL_PIN(52, "I2C_NFC_SCL"),
+
+ PINCTRL_PIN(60, "I2C1_SDA"),
+ PINCTRL_PIN(61, "I2C0_SDA"),
+ PINCTRL_PIN(62, "I2C2_SDA"),
+ PINCTRL_PIN(63, "I2C1_SCL"),
+ PINCTRL_PIN(64, "I2C3_SDA"),
+ PINCTRL_PIN(65, "I2C0_SCL"),
+ PINCTRL_PIN(66, "I2C2_SCL"),
+ PINCTRL_PIN(67, "I2C3_SCL"),
+
+ PINCTRL_PIN(75, "SATA_GP0"),
+ PINCTRL_PIN(76, "SATA_GP1"),
+ PINCTRL_PIN(77, "SATA_LEDN"),
+ PINCTRL_PIN(78, "SATA_GP2"),
+ PINCTRL_PIN(79, "MF_SMB_ALERTB"),
+ PINCTRL_PIN(80, "SATA_GP3"),
+ PINCTRL_PIN(81, "MF_SMB_CLK"),
+ PINCTRL_PIN(82, "MF_SMB_DATA"),
+
+ PINCTRL_PIN(90, "PCIE_CLKREQ0B"),
+ PINCTRL_PIN(91, "PCIE_CLKREQ1B"),
+ PINCTRL_PIN(92, "GP_SSP_2_CLK"),
+ PINCTRL_PIN(93, "PCIE_CLKREQ2B"),
+ PINCTRL_PIN(94, "GP_SSP_2_RXD"),
+ PINCTRL_PIN(95, "PCIE_CLKREQ3B"),
+ PINCTRL_PIN(96, "GP_SSP_2_FS"),
+ PINCTRL_PIN(97, "GP_SSP_2_TXD"),
+};
+
+static const unsigned southwest_fspi_pins[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+static const unsigned southwest_uart0_pins[] = { 16, 20 };
+static const unsigned southwest_uart1_pins[] = { 15, 16, 18, 20 };
+static const unsigned southwest_uart2_pins[] = { 17, 19, 21, 22 };
+static const unsigned southwest_i2c0_pins[] = { 61, 65 };
+static const unsigned southwest_hda_pins[] = { 30, 31, 32, 33, 34, 35, 36, 37 };
+static const unsigned southwest_lpe_pins[] = {
+ 30, 31, 32, 33, 34, 35, 36, 37, 92, 94, 96, 97,
+};
+static const unsigned southwest_i2c1_pins[] = { 60, 63 };
+static const unsigned southwest_i2c2_pins[] = { 62, 66 };
+static const unsigned southwest_i2c3_pins[] = { 64, 67 };
+static const unsigned southwest_i2c4_pins[] = { 46, 50 };
+static const unsigned southwest_i2c5_pins[] = { 45, 48 };
+static const unsigned southwest_i2c6_pins[] = { 47, 51 };
+static const unsigned southwest_i2c_nfc_pins[] = { 49, 52 };
+static const unsigned southwest_smbus_pins[] = { 79, 81, 82 };
+static const unsigned southwest_spi3_pins[] = { 76, 79, 80, 81, 82 };
+
+/* LPE I2S TXD pins need to have invert_oe set */
+static const struct chv_alternate_function southwest_lpe_altfuncs[] = {
+ ALTERNATE_FUNCTION(30, 1, true),
+ ALTERNATE_FUNCTION(34, 1, true),
+ ALTERNATE_FUNCTION(97, 1, true),
+};
+
+/*
+ * Two spi3 chipselects are available in different mode than the main spi3
+ * functionality, which is using mode 1.
+ */
+static const struct chv_alternate_function southwest_spi3_altfuncs[] = {
+ ALTERNATE_FUNCTION(76, 3, false),
+ ALTERNATE_FUNCTION(80, 3, false),
+};
+
+static const struct chv_pingroup southwest_groups[] = {
+ PIN_GROUP("uart0_grp", southwest_uart0_pins, 2, false),
+ PIN_GROUP("uart1_grp", southwest_uart1_pins, 1, false),
+ PIN_GROUP("uart2_grp", southwest_uart2_pins, 1, false),
+ PIN_GROUP("hda_grp", southwest_hda_pins, 2, false),
+ PIN_GROUP("i2c0_grp", southwest_i2c0_pins, 1, true),
+ PIN_GROUP("i2c1_grp", southwest_i2c1_pins, 1, true),
+ PIN_GROUP("i2c2_grp", southwest_i2c2_pins, 1, true),
+ PIN_GROUP("i2c3_grp", southwest_i2c3_pins, 1, true),
+ PIN_GROUP("i2c4_grp", southwest_i2c4_pins, 1, true),
+ PIN_GROUP("i2c5_grp", southwest_i2c5_pins, 1, true),
+ PIN_GROUP("i2c6_grp", southwest_i2c6_pins, 1, true),
+ PIN_GROUP("i2c_nfc_grp", southwest_i2c_nfc_pins, 2, true),
+
+ PIN_GROUP_WITH_OVERRIDE("lpe_grp", southwest_lpe_pins, 1, false,
+ southwest_lpe_altfuncs),
+ PIN_GROUP_WITH_OVERRIDE("spi3_grp", southwest_spi3_pins, 2, false,
+ southwest_spi3_altfuncs),
+};
+
+static const char * const southwest_uart0_groups[] = { "uart0_grp" };
+static const char * const southwest_uart1_groups[] = { "uart1_grp" };
+static const char * const southwest_uart2_groups[] = { "uart2_grp" };
+static const char * const southwest_hda_groups[] = { "hda_grp" };
+static const char * const southwest_lpe_groups[] = { "lpe_grp" };
+static const char * const southwest_i2c0_groups[] = { "i2c0_grp" };
+static const char * const southwest_i2c1_groups[] = { "i2c1_grp" };
+static const char * const southwest_i2c2_groups[] = { "i2c2_grp" };
+static const char * const southwest_i2c3_groups[] = { "i2c3_grp" };
+static const char * const southwest_i2c4_groups[] = { "i2c4_grp" };
+static const char * const southwest_i2c5_groups[] = { "i2c5_grp" };
+static const char * const southwest_i2c6_groups[] = { "i2c6_grp" };
+static const char * const southwest_i2c_nfc_groups[] = { "i2c_nfc_grp" };
+static const char * const southwest_spi3_groups[] = { "spi3_grp" };
+
+/*
+ * Only do pinmuxing for certain LPSS devices for now. Rest of the pins are
+ * enabled only as GPIOs.
+ */
+static const struct chv_function southwest_functions[] = {
+ FUNCTION("uart0", southwest_uart0_groups),
+ FUNCTION("uart1", southwest_uart1_groups),
+ FUNCTION("uart2", southwest_uart2_groups),
+ FUNCTION("hda", southwest_hda_groups),
+ FUNCTION("lpe", southwest_lpe_groups),
+ FUNCTION("i2c0", southwest_i2c0_groups),
+ FUNCTION("i2c1", southwest_i2c1_groups),
+ FUNCTION("i2c2", southwest_i2c2_groups),
+ FUNCTION("i2c3", southwest_i2c3_groups),
+ FUNCTION("i2c4", southwest_i2c4_groups),
+ FUNCTION("i2c5", southwest_i2c5_groups),
+ FUNCTION("i2c6", southwest_i2c6_groups),
+ FUNCTION("i2c_nfc", southwest_i2c_nfc_groups),
+ FUNCTION("spi3", southwest_spi3_groups),
+};
+
+static const struct chv_gpio_pinrange southwest_gpio_ranges[] = {
+ GPIO_PINRANGE(0, 7),
+ GPIO_PINRANGE(15, 22),
+ GPIO_PINRANGE(30, 37),
+ GPIO_PINRANGE(45, 52),
+ GPIO_PINRANGE(60, 67),
+ GPIO_PINRANGE(75, 82),
+ GPIO_PINRANGE(90, 97),
+};
+
+static const struct chv_community southwest_community = {
+ .uid = "1",
+ .pins = southwest_pins,
+ .npins = ARRAY_SIZE(southwest_pins),
+ .groups = southwest_groups,
+ .ngroups = ARRAY_SIZE(southwest_groups),
+ .functions = southwest_functions,
+ .nfunctions = ARRAY_SIZE(southwest_functions),
+ .gpio_ranges = southwest_gpio_ranges,
+ .ngpio_ranges = ARRAY_SIZE(southwest_gpio_ranges),
+ .ngpios = ARRAY_SIZE(southwest_pins),
+};
+
+static const struct pinctrl_pin_desc north_pins[] = {
+ PINCTRL_PIN(0, "GPIO_DFX_0"),
+ PINCTRL_PIN(1, "GPIO_DFX_3"),
+ PINCTRL_PIN(2, "GPIO_DFX_7"),
+ PINCTRL_PIN(3, "GPIO_DFX_1"),
+ PINCTRL_PIN(4, "GPIO_DFX_5"),
+ PINCTRL_PIN(5, "GPIO_DFX_4"),
+ PINCTRL_PIN(6, "GPIO_DFX_8"),
+ PINCTRL_PIN(7, "GPIO_DFX_2"),
+ PINCTRL_PIN(8, "GPIO_DFX_6"),
+
+ PINCTRL_PIN(15, "GPIO_SUS0"),
+ PINCTRL_PIN(16, "SEC_GPIO_SUS10"),
+ PINCTRL_PIN(17, "GPIO_SUS3"),
+ PINCTRL_PIN(18, "GPIO_SUS7"),
+ PINCTRL_PIN(19, "GPIO_SUS1"),
+ PINCTRL_PIN(20, "GPIO_SUS5"),
+ PINCTRL_PIN(21, "SEC_GPIO_SUS11"),
+ PINCTRL_PIN(22, "GPIO_SUS4"),
+ PINCTRL_PIN(23, "SEC_GPIO_SUS8"),
+ PINCTRL_PIN(24, "GPIO_SUS2"),
+ PINCTRL_PIN(25, "GPIO_SUS6"),
+ PINCTRL_PIN(26, "CX_PREQ_B"),
+ PINCTRL_PIN(27, "SEC_GPIO_SUS9"),
+
+ PINCTRL_PIN(30, "TRST_B"),
+ PINCTRL_PIN(31, "TCK"),
+ PINCTRL_PIN(32, "PROCHOT_B"),
+ PINCTRL_PIN(33, "SVIDO_DATA"),
+ PINCTRL_PIN(34, "TMS"),
+ PINCTRL_PIN(35, "CX_PRDY_B_2"),
+ PINCTRL_PIN(36, "TDO_2"),
+ PINCTRL_PIN(37, "CX_PRDY_B"),
+ PINCTRL_PIN(38, "SVIDO_ALERT_B"),
+ PINCTRL_PIN(39, "TDO"),
+ PINCTRL_PIN(40, "SVIDO_CLK"),
+ PINCTRL_PIN(41, "TDI"),
+
+ PINCTRL_PIN(45, "GP_CAMERASB_05"),
+ PINCTRL_PIN(46, "GP_CAMERASB_02"),
+ PINCTRL_PIN(47, "GP_CAMERASB_08"),
+ PINCTRL_PIN(48, "GP_CAMERASB_00"),
+ PINCTRL_PIN(49, "GP_CAMERASB_06"),
+ PINCTRL_PIN(50, "GP_CAMERASB_10"),
+ PINCTRL_PIN(51, "GP_CAMERASB_03"),
+ PINCTRL_PIN(52, "GP_CAMERASB_09"),
+ PINCTRL_PIN(53, "GP_CAMERASB_01"),
+ PINCTRL_PIN(54, "GP_CAMERASB_07"),
+ PINCTRL_PIN(55, "GP_CAMERASB_11"),
+ PINCTRL_PIN(56, "GP_CAMERASB_04"),
+
+ PINCTRL_PIN(60, "PANEL0_BKLTEN"),
+ PINCTRL_PIN(61, "HV_DDI0_HPD"),
+ PINCTRL_PIN(62, "HV_DDI2_DDC_SDA"),
+ PINCTRL_PIN(63, "PANEL1_BKLTCTL"),
+ PINCTRL_PIN(64, "HV_DDI1_HPD"),
+ PINCTRL_PIN(65, "PANEL0_BKLTCTL"),
+ PINCTRL_PIN(66, "HV_DDI0_DDC_SDA"),
+ PINCTRL_PIN(67, "HV_DDI2_DDC_SCL"),