pinctrl: add a group-specific hog macro
To create elegant tables for pinmux hogs on the PXA MMP platform,
we need this hog macro that can specify both function and group in
one go.
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h
index ad430e0..d0aecb7 100644
--- a/include/linux/pinctrl/machine.h
+++ b/include/linux/pinctrl/machine.h
@@ -73,6 +73,15 @@
{ .name = a, .ctrl_dev_name = b, .function = c, \
.hog_on_boot = true }
+/*
+ * Convenience macro to map a system function onto a certain pinctrl device
+ * using a specified group, to be hogged by the pinmux core until the system
+ * shuts down.
+ */
+#define PINMUX_MAP_SYS_HOG_GROUP(a, b, c, d) \
+ { .name = a, .ctrl_dev_name = b, .function = c, .group = d, \
+ .hog_on_boot = true }
+
#ifdef CONFIG_PINMUX
extern int pinmux_register_mappings(struct pinmux_map const *map,