[PATCH v4 4/5] powerpc/of: add eSPI controller dts bindings and DTS modification

[Grant Likely]

On Tue, Oct 12, 2010 at 06:18:33PM +0800, Mingkai Hu wrote:
> Also modifiy the document of cell-index in SPI controller. Add the
> SPI flash(s25fl128p01) support on p4080ds and mpc8536ds board.
> 
> Signed-off-by: Mingkai Hu <Mingkai.hu at freescale.com>

Applied, thanks.

g.

> ---
> v4:
>  - Updated to latest kernel base(Linux 2.6.36-rc7).
> 
>  Documentation/powerpc/dts-bindings/fsl/spi.txt |   24 ++++++++++-
>  arch/powerpc/boot/dts/mpc8536ds.dts            |   52 ++++++++++++++++++++++++
>  arch/powerpc/boot/dts/p4080ds.dts              |   11 ++---
>  3 files changed, 79 insertions(+), 8 deletions(-)
> 
> diff --git a/Documentation/powerpc/dts-bindings/fsl/spi.txt b/Documentation/powerpc/dts-bindings/fsl/spi.txt
> index 80510c0..777abd7 100644
> --- a/Documentation/powerpc/dts-bindings/fsl/spi.txt
> +++ b/Documentation/powerpc/dts-bindings/fsl/spi.txt
> @@ -1,7 +1,9 @@
>  * SPI (Serial Peripheral Interface)
>  
>  Required properties:
> -- cell-index : SPI controller index.
> +- cell-index : QE SPI subblock index.
> +		0: QE subblock SPI1
> +		1: QE subblock SPI2
>  - compatible : should be "fsl,spi".
>  - mode : the SPI operation mode, it can be "cpu" or "cpu-qe".
>  - reg : Offset and length of the register set for the device
> @@ -29,3 +31,23 @@ Example:
>  		gpios = <&gpio 18 1	// device reg=<0>
>  			 &gpio 19 1>;	// device reg=<1>
>  	};
> +
> +
> +* eSPI (Enhanced Serial Peripheral Interface)
> +
> +Required properties:
> +- compatible : should be "fsl,mpc8536-espi".
> +- reg : Offset and length of the register set for the device.
> +- interrupts : should contain eSPI interrupt, the device has one interrupt.
> +- fsl,espi-num-chipselects : the number of the chipselect signals.
> +
> +Example:
> +	spi at 110000 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "fsl,mpc8536-espi";
> +		reg = <0x110000 0x1000>;
> +		interrupts = <53 0x2>;
> +		interrupt-parent = <&mpic>;
> +		fsl,espi-num-chipselects = <4>;
> +	};
> diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts b/arch/powerpc/boot/dts/mpc8536ds.dts
> index 815cebb..a75c10e 100644
> --- a/arch/powerpc/boot/dts/mpc8536ds.dts
> +++ b/arch/powerpc/boot/dts/mpc8536ds.dts
> @@ -108,6 +108,58 @@
>  			};
>  		};
>  
> +		spi at 7000 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			compatible = "fsl,mpc8536-espi";
> +			reg = <0x7000 0x1000>;
> +			interrupts = <59 0x2>;
> +			interrupt-parent = <&mpic>;
> +			fsl,espi-num-chipselects = <4>;
> +
> +			flash at 0 {
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +				compatible = "spansion,s25sl12801";
> +				reg = <0>;
> +				spi-max-frequency = <40000000>;
> +				partition at u-boot {
> +					label = "u-boot";
> +					reg = <0x00000000 0x00100000>;
> +					read-only;
> +				};
> +				partition at kernel {
> +					label = "kernel";
> +					reg = <0x00100000 0x00500000>;
> +					read-only;
> +				};
> +				partition at dtb {
> +					label = "dtb";
> +					reg = <0x00600000 0x00100000>;
> +					read-only;
> +				};
> +				partition at fs {
> +					label = "file system";
> +					reg = <0x00700000 0x00900000>;
> +				};
> +			};
> +			flash at 1 {
> +				compatible = "spansion,s25sl12801";
> +				reg = <1>;
> +				spi-max-frequency = <40000000>;
> +			};
> +			flash at 2 {
> +				compatible = "spansion,s25sl12801";
> +				reg = <2>;
> +				spi-max-frequency = <40000000>;
> +			};
> +			flash at 3 {
> +				compatible = "spansion,s25sl12801";
> +				reg = <3>;
> +				spi-max-frequency = <40000000>;
> +			};
> +		};
> +
>  		dma at 21300 {
>  			#address-cells = <1>;
>  			#size-cells = <1>;
> diff --git a/arch/powerpc/boot/dts/p4080ds.dts b/arch/powerpc/boot/dts/p4080ds.dts
> index 2f0de24..5b7fc29 100644
> --- a/arch/powerpc/boot/dts/p4080ds.dts
> +++ b/arch/powerpc/boot/dts/p4080ds.dts
> @@ -236,22 +236,19 @@
>  		};
>  
>  		spi at 110000 {
> -			cell-index = <0>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> -			compatible = "fsl,espi";
> +			compatible = "fsl,p4080-espi", "fsl,mpc8536-espi";
>  			reg = <0x110000 0x1000>;
>  			interrupts = <53 0x2>;
>  			interrupt-parent = <&mpic>;
> -			espi,num-ss-bits = <4>;
> -			mode = "cpu";
> +			fsl,espi-num-chipselects = <4>;
>  
> -			fsl_m25p80 at 0 {
> +			flash at 0 {
>  				#address-cells = <1>;
>  				#size-cells = <1>;
> -				compatible = "fsl,espi-flash";
> +				compatible = "spansion,s25sl12801";
>  				reg = <0>;
> -				linux,modalias = "fsl_m25p80";
>  				spi-max-frequency = <40000000>; /* input clock */
>  				partition at u-boot {
>  					label = "u-boot";
> -- 
> 1.6.4
> 
>