linux-kernel - Re: [PATCH] pinctrl: Add mux options 3 and 4 for rockchip pinctrl

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Date:	Sat, 09 Aug 2014 17:34:45 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Doug Anderson <dianders@...omium.org>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Sonny Rao <sonnyrao@...omium.org>, eddie.cai@...k-chips.com,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: Add mux options 3 and 4 for rockchip pinctrl

Am Freitag, 8. August 2014, 15:29:09 schrieb Doug Anderson:
> Newer Rockchip SoCs have more muxing slots.  Add slots 3 and 4 since
> the rk3288 table goes all the way up to 4.
> 
> Signed-off-by: Doug Anderson <dianders@...omium.org>

Reviewed-by: Heiko Stuebner <heiko@...ech.de>


> ---
>  Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt | 6 +++---
>  include/dt-bindings/pinctrl/rockchip.h                         | 2 ++
>  2 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
> b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt index
> 4658b69..388b213 100644
> --- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
> @@ -2,8 +2,8 @@
> 
>  The Rockchip Pinmux Controller, enables the IC
>  to share one PAD to several functional blocks. The sharing is done by
> -multiplexing the PAD input/output signals. For each PAD there are up to
> -4 muxing options with option 0 being the use as a GPIO.
> +multiplexing the PAD input/output signals. For each PAD there are several
> +muxing options with option 0 being the use as a GPIO.
> 
>  Please refer to pinctrl-bindings.txt in this directory for details of the
>  common pinctrl bindings used by client devices, including the meaning of
> the @@ -58,7 +58,7 @@ Deprecated properties for gpio sub nodes:
>  Required properties for pin configuration node:
>    - rockchip,pins: 3 integers array, represents a group of pins mux and
> config setting. The format is rockchip,pins = <PIN_BANK PIN_BANK_IDX MUX
> &phandle>. -    The MUX 0 means gpio and MUX 1 to 3 mean the specific
> device function. +    The MUX 0 means gpio and MUX 1 to N mean the specific
> device function. The phandle of a node containing the generic pinconfig
> options to use, as described in pinctrl-bindings.txt in this directory.
> 
> diff --git a/include/dt-bindings/pinctrl/rockchip.h
> b/include/dt-bindings/pinctrl/rockchip.h index cd5788b..743e66a 100644
> --- a/include/dt-bindings/pinctrl/rockchip.h
> +++ b/include/dt-bindings/pinctrl/rockchip.h
> @@ -28,5 +28,7 @@
>  #define RK_FUNC_GPIO	0
>  #define RK_FUNC_1	1
>  #define RK_FUNC_2	2
> +#define RK_FUNC_3	3
> +#define RK_FUNC_4	4
> 
>  #endif

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