Add a function to configure a range of GPIOs function and
pull in one go, mainly for the SDHCI and framebuffer helpers
which tend to do this.
Signed-off-by: Ben Dooks <ben-linux@xxxxxxxxx>
---
arch/arm/plat-samsung/gpio-config.c | 15 +++++++++++++++
arch/arm/plat-samsung/include/plat/gpio-cfg.h | 20 ++++++++++++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index a927dd2..3a02e23 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -56,6 +56,21 @@ int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
}
EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range);
+int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
+ unsigned int cfg, s3c_gpio_pull_t pull)
+{
+ int ret;
+
+ for (; nr > 0; nr--, start++) {
+ s3c_gpio_setpull(start, pull);
+ ret = s3c_gpio_cfgpin(start, cfg);
+ if (ret != 0)
+ return ret;
+ }
+
+}
+EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range);
+
unsigned s3c_gpio_getcfg(unsigned int pin)
{
struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 8ec9936..bec872f 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -161,4 +161,24 @@ extern s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin);
*/
extern int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr);
+/* configure `all` aspects of an gpio */
+
+/**
+ * s3c_gpio_cfgall_range() - configure range of gpio functtion and pull.
+ * @gpio: The gpio number to start at.
+ * @size: The number of gpio to configure.
+ * @cfg: The configuration to use
+ * @pull: The pull setting to use.
+ *
+ * Run s3c_gpio_cfgpin() and s3c_gpio_setpull() over the gpio range starting
+ * @gpio and running for @size.
+ *
+ * @sa s3c_gpio_cfgpin
+ * @sa s3c_gpio_setpull
+ * @sa s3c_gpio_cfgpin_range
+ */
+extern int s3c_gpio_cfgall_range(unsigned int pin, unsigned int size,
+ unsigned int cfg, s3c_gpio_pull_t pull);
+
+
#endif /* __PLAT_GPIO_CFG_H */
--
1.6.3.3
--
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