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Date: Wed, 16 Oct 2013 14:56:54 +0200 From: Christian Ruppert <christian.ruppert@...lis.com> To: Linus Walleij <linus.walleij@...aro.org> Cc: Stephen Warren <swarren@...dotorg.org>, Patrice CHOTARD <patrice.chotard@...com>, linux-kernel@...r.kernel.org, Grant Likely <grant.likely@...retlab.ca>, Rob Herring <rob.herring@...xeda.com>, Rob Landley <rob@...dley.net>, Sascha Leuenberger <sascha.leuenberger@...lis.com>, Pierrick Hascoet <pierrick.hascoet@...lis.com>, linux-doc@...r.kernel.org, Alexandre Courbot <acourbot@...dia.com>, devicetree@...r.kernel.org, Christian Ruppert <christian.ruppert@...lis.com> Subject: [PATCH] Add a short note on pinctrl_get_group_pins to pinctrl.txt 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 <christian.ruppert@...lis.com> --- 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 -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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