linux-kernel - RE: [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries

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Date:	Wed, 16 Jan 2013 08:38:55 +0000
From:	"Kumar, Anil" <anilkumar.v@...com>
To:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>
CC:	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"Nori, Sekhar" <nsekhar@...com>,
	"khilman@...prootsystems.com" <khilman@...prootsystems.com>,
	"hs@...x.de" <hs@...x.de>, "Kumar, Anil" <anilkumar.v@...com>
Subject: RE: [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT
 entries

On Wed, Jan 16, 2013 at 09:18:20, Kumar, Anil wrote:
> For DT, DaVinci platform can use pinctrl-single driver for handling
> padconf registers.
> 
> Enable PINCTRL Kconfig for MACH_DA8XX_DT platform. Add required
> pinctrl DT entries in da850 dts file.
> 
>  Test procedure
>   1)Populate DT file with NAND node information.
>   2)Populate board DT file with pinmux information for NAND.
>   3)Boot and confirm NAND is detected by the kernel.
>   4)cat /proc/mtd to show partitions.
> 
> Signed-off-by: Kumar, Anil <anilkumar.v@...com>
> ---
> :100644 100644 37dc5a3... c7609d0... M	arch/arm/boot/dts/da850-evm.dts
> :100644 100644 fbada87... e9c6e82... M	arch/arm/boot/dts/da850.dtsi
> :100644 100644 0153950... a075b3e... M	arch/arm/mach-davinci/Kconfig
>  arch/arm/boot/dts/da850-evm.dts |    3 +++
>  arch/arm/boot/dts/da850.dtsi    |   10 ++++++++++
>  arch/arm/mach-davinci/Kconfig   |    1 +
>  3 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> index 37dc5a3..c7609d0 100644
> --- a/arch/arm/boot/dts/da850-evm.dts
> +++ b/arch/arm/boot/dts/da850-evm.dts
> @@ -15,6 +15,9 @@
>  	model = "DA850/AM1808/OMAP-L138 EVM";
>  
>  	soc {
> +		pmx_core:pinmux@...4120 {

I have found cosmetics issue here. I will correct it and send next version.

> +			status = "okay";
> +		};
>  		serial0: serial@...2000 {
>  			status = "okay";
>  		};
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index fbada87..e9c6e82 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -29,6 +29,16 @@
>  		#size-cells = <1>;
>  		ranges = <0x0 0x01c00000 0x400000>;
>  
> +		pmx_core:pinmux@...4120 {

I have found cosmetics issue here. I will correct it and send next version.

> +			compatible = "pinctrl-single";
> +			reg = <0x14120 0x50>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			pinctrl-single,bit-per-mux;
> +			pinctrl-single,register-width = <32>;
> +			pinctrl-single,function-mask = <0xffffffff>;
> +			status = "disabled";
> +		};
>  		serial0: serial@...2000 {
>  			compatible = "ns16550a";
>  			reg = <0x42000 0x100>;
> diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
> index 0153950..a075b3e 100644
> --- a/arch/arm/mach-davinci/Kconfig
> +++ b/arch/arm/mach-davinci/Kconfig
> @@ -62,6 +62,7 @@ config MACH_DA8XX_DT
>  	bool "Support DA8XX platforms using device tree"
>  	default y
>  	depends on ARCH_DAVINCI_DA8XX
> +	select PINCTRL
>  	help
>  	  Say y here to include support for TI DaVinci DA850 based using
>  	  Flattened Device Tree. More information at Documentation/devicetree
> -- 
> 1.7.4.1
> 
> 

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