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authorRabin Vincent <rabin.vincent@stericsson.com>2011-09-20 10:50:03 +0200
committerGrant Likely <grant.likely@secretlab.ca>2011-09-20 11:31:58 -0600
commit3c0227d262a5835849c68eb8328db016caad6085 (patch)
tree1a578a1965bd432a56542cc3d0500f3364395546 /arch/arm/plat-nomadik
parentb6fd41e29dea9c6753b1843a77e50433e6123bcb (diff)
gpio/nomadik: disable clocks when unused
The GPIO clock is required for register access and interrupt detection. When interrupt detection is not required on any of the pin in a block, the block's clock can be disabled when the registers are not being accessed. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-by: Rickard Andersson <rickard.andersson@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> [Adjust for new IRQ chip core code, use only local functions] Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/plat-nomadik')
-rw-r--r--arch/arm/plat-nomadik/include/plat/gpio.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/gpio.h b/arch/arm/plat-nomadik/include/plat/gpio.h
index d5d7e651269..4fd3eb3f103 100644
--- a/arch/arm/plat-nomadik/include/plat/gpio.h
+++ b/arch/arm/plat-nomadik/include/plat/gpio.h
@@ -78,6 +78,9 @@ extern int nmk_gpio_get_mode(int gpio);
extern void nmk_gpio_wakeups_suspend(void);
extern void nmk_gpio_wakeups_resume(void);
+extern void nmk_gpio_clocks_enable(void);
+extern void nmk_gpio_clocks_disable(void);
+
extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up);
/*