[PATCH] Add a short note on pinctrl_get_group_pins to pinctrl.txt
From: Christian Ruppert <hidden>
Date: 2013-10-16 12:57:32
Also in:
lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
This patch adds a short description of how to use the newly added pinctrl_get_group_pins function to the pinctrl documentation. Signed-off-by: Christian Ruppert <redacted> --- Documentation/pinctrl.txt | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt
index c0ffd30..a7929cb 100644
--- a/Documentation/pinctrl.txt
+++ b/Documentation/pinctrl.txt@@ -358,7 +358,12 @@ static struct pinctrl_gpio_range gpio_range = { .gc = &chip; }; -In this case the pin_base property will be ignored. +In this case the pin_base property will be ignored. If the name of a pin +group is known, the pins and npins elements of the above structure can be +initialised using the function pinctrl_get_group_pins(), e.g. for pin +group "foo": + +pinctrl_get_group_pins(pctl, "foo", &gpio_range.pins, &gpio_range.npins); When GPIO-specific functions in the pin control subsystem are called, these ranges will be used to look up the appropriate pin controller by inspecting
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1.7.1