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pinctrl: intel: Share struct intel_pinctrl for wider use

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There are few drivers for Intel SoC GPIO which may utilize
the same data structure to describe this IP.

Share struct intel_pinctrl for wider user.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2019-10-25 12:10:28 +03:00
parent 6a304752eb
commit 66c812d22e
2 changed files with 45 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/pinctrl/intel/pinctrl-intel.c
View File

@ -8,8 +8,8 @@
*/
#include <linux/acpi.h>
#include <linux/interrupt.h>
#include <linux/gpio/driver.h>
#include <linux/interrupt.h>
#include <linux/log2.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@ -85,39 +85,6 @@ struct intel_community_context {
u32 *hostown;
};
struct intel_pinctrl_context {
struct intel_pad_context *pads;
struct intel_community_context *communities;
};
/**
* struct intel_pinctrl - Intel pinctrl private structure
* @dev: Pointer to the device structure
* @lock: Lock to serialize register access
* @pctldesc: Pin controller description
* @pctldev: Pointer to the pin controller device
* @chip: GPIO chip in this pin controller
* @irqchip: IRQ chip in this pin controller
* @soc: SoC/PCH specific pin configuration data
* @communities: All communities in this pin controller
* @ncommunities: Number of communities in this pin controller
* @context: Configuration saved over system sleep
* @irq: pinctrl/GPIO chip irq number
*/
struct intel_pinctrl {
struct device *dev;
raw_spinlock_t lock;
struct pinctrl_desc pctldesc;
struct pinctrl_dev *pctldev;
struct gpio_chip chip;
struct irq_chip irqchip;
const struct intel_pinctrl_soc_data *soc;
struct intel_community *communities;
size_t ncommunities;
struct intel_pinctrl_context context;
int irq;
};
#define pin_to_padno(c, p) ((p) - (c)->pin_base)
#define padgroup_offset(g, p) ((p) - (g)->base)

44
drivers/pinctrl/intel/pinctrl-intel.h
View File

@ -10,7 +10,10 @@
#ifndef PINCTRL_INTEL_H
#define PINCTRL_INTEL_H
#include <linux/gpio/driver.h>
#include <linux/irq.h>
#include <linux/pm.h>
#include <linux/spinlock_types.h>
struct pinctrl_pin_desc;
struct platform_device;
@ -174,6 +177,47 @@ struct intel_pinctrl_soc_data {
size_t ncommunities;
};
struct intel_pad_context;
struct intel_community_context;
/**
* struct intel_pinctrl_context - context to be saved during suspend-resume
* @pads: Opaque context per pad (driver dependent)
* @communities: Opaque context per community (driver dependent)
*/
struct intel_pinctrl_context {
struct intel_pad_context *pads;
struct intel_community_context *communities;
};
/**
* struct intel_pinctrl - Intel pinctrl private structure
* @dev: Pointer to the device structure
* @lock: Lock to serialize register access
* @pctldesc: Pin controller description
* @pctldev: Pointer to the pin controller device
* @chip: GPIO chip in this pin controller
* @irqchip: IRQ chip in this pin controller
* @soc: SoC/PCH specific pin configuration data
* @communities: All communities in this pin controller
* @ncommunities: Number of communities in this pin controller
* @context: Configuration saved over system sleep
* @irq: pinctrl/GPIO chip irq number
*/
struct intel_pinctrl {
struct device *dev;
raw_spinlock_t lock;
struct pinctrl_desc pctldesc;
struct pinctrl_dev *pctldev;
struct gpio_chip chip;
struct irq_chip irqchip;
const struct intel_pinctrl_soc_data *soc;
struct intel_community *communities;
size_t ncommunities;
struct intel_pinctrl_context context;
int irq;
};
int intel_pinctrl_probe_by_hid(struct platform_device *pdev);
int intel_pinctrl_probe_by_uid(struct platform_device *pdev);