diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-07 12:15:36 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-07 12:15:36 -0800 |
commit | fbce1c234feedb5270468aa4b1770c1cab58a960 (patch) | |
tree | 7391d7bcce50eab43c750c4055b056ab1892d6b2 /include | |
parent | 7affca3537d74365128e477b40c529d6f2fe86c8 (diff) | |
parent | d0ad5e89256c351ddd40167152c24a88efcb0f6d (diff) |
Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Changes queued in gpio/next for the start of the 3.3 merge window
* tag 'gpio-for-linus-20120104' of git://git.secretlab.ca/git/linux-2.6:
gpio: Add decode of WM8994 GPIO configuration
gpio: Convert GPIO drivers to module_platform_driver
gpio: Fix typo in comment in Samsung driver
gpio: Explicitly index samsung_gpio_cfgs
gpio: Add Linus Walleij as gpio co-maintainer
of: Add device tree selftests
of: create of_phandle_args to simplify return of phandle parsing data
gpio/powerpc: Eliminate duplication of of_get_named_gpio_flags()
gpio/microblaze: Eliminate duplication of of_get_named_gpio_flags()
gpiolib: output basic details and consolidate gpio device drivers
pch_gpio: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor
pch_gpio: Support new device LAPIS Semiconductor ML7831 IOH
spi/pl022: make the chip deselect handling thread safe
spi/pl022: add support for pm_runtime autosuspend
spi/pl022: disable the PL022 block when unused
spi/pl022: move device disable to workqueue thread
spi/pl022: skip default configuration before suspending
spi/pl022: fix build warnings
spi/pl022: only enable RX interrupts when TX is complete
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/gpio.h | 6 | ||||
-rw-r--r-- | include/linux/amba/pl022.h | 4 | ||||
-rw-r--r-- | include/linux/of.h | 11 | ||||
-rw-r--r-- | include/linux/of_gpio.h | 10 |
4 files changed, 23 insertions, 8 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 8c8621097fa0..d466c8d8826d 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -4,6 +4,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/of.h> #ifdef CONFIG_GPIOLIB @@ -128,13 +129,14 @@ struct gpio_chip { */ struct device_node *of_node; int of_gpio_n_cells; - int (*of_xlate)(struct gpio_chip *gc, struct device_node *np, - const void *gpio_spec, u32 *flags); + int (*of_xlate)(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, u32 *flags); #endif }; extern const char *gpiochip_is_requested(struct gpio_chip *chip, unsigned offset); +extern struct gpio_chip *gpio_to_chip(unsigned gpio); extern int __must_check gpiochip_reserve(int start, int ngpio); /* add/remove chips */ diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h index 4ce98f54186b..572f637299c9 100644 --- a/include/linux/amba/pl022.h +++ b/include/linux/amba/pl022.h @@ -238,6 +238,9 @@ struct dma_chan; * @enable_dma: if true enables DMA driven transfers. * @dma_rx_param: parameter to locate an RX DMA channel. * @dma_tx_param: parameter to locate a TX DMA channel. + * @autosuspend_delay: delay in ms following transfer completion before the + * runtime power management system suspends the device. A setting of 0 + * indicates no delay and the device will be suspended immediately. */ struct pl022_ssp_controller { u16 bus_id; @@ -246,6 +249,7 @@ struct pl022_ssp_controller { bool (*dma_filter)(struct dma_chan *chan, void *filter_param); void *dma_rx_param; void *dma_tx_param; + int autosuspend_delay; }; /** diff --git a/include/linux/of.h b/include/linux/of.h index 4948552d60f5..ea44fd72af5f 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -65,6 +65,13 @@ struct device_node { #endif }; +#define MAX_PHANDLE_ARGS 8 +struct of_phandle_args { + struct device_node *np; + int args_count; + uint32_t args[MAX_PHANDLE_ARGS]; +}; + #ifdef CONFIG_OF /* Pointer for first entry in chain of all nodes. */ @@ -230,9 +237,9 @@ extern int of_modalias_node(struct device_node *node, char *modalias, int len); extern struct device_node *of_parse_phandle(struct device_node *np, const char *phandle_name, int index); -extern int of_parse_phandles_with_args(struct device_node *np, +extern int of_parse_phandle_with_args(struct device_node *np, const char *list_name, const char *cells_name, int index, - struct device_node **out_node, const void **out_args); + struct of_phandle_args *out_args); extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)); extern int of_alias_get_id(struct device_node *np, const char *stem); diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index 52280a2b5e63..b254052a49d7 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/gpio.h> +#include <linux/of.h> struct device_node; @@ -57,8 +58,9 @@ extern int of_mm_gpiochip_add(struct device_node *np, extern void of_gpiochip_add(struct gpio_chip *gc); extern void of_gpiochip_remove(struct gpio_chip *gc); extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np); -extern int of_gpio_simple_xlate(struct gpio_chip *gc, struct device_node *np, - const void *gpio_spec, u32 *flags); +extern int of_gpio_simple_xlate(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, + u32 *flags); #else /* CONFIG_OF_GPIO */ @@ -75,8 +77,8 @@ static inline unsigned int of_gpio_count(struct device_node *np) } static inline int of_gpio_simple_xlate(struct gpio_chip *gc, - struct device_node *np, - const void *gpio_spec, u32 *flags) + const struct of_phandle_args *gpiospec, + u32 *flags) { return -ENOSYS; } |