[PATCH 1/2] ARM: dts: Add SHAM data and documentation for AM33XX
Lokesh Vutla
lokeshvutla at ti.com
Wed Jul 17 00:42:22 EDT 2013
Hi Mark,
On Wednesday 17 July 2013 04:59 AM, Mark A. Greer wrote:
> From: "Mark A. Greer" <mgreer at animalcreek.com>
>
> Add the generic AM33XX SHAM module's device tree data and
> enable it for the am335x-evm, am335x-evmsk, and am335x-bone
> platforms. Also add Documentation file describing the data
> for the SHAM module.
>
> CC: Paul Walmsley <paul at pwsan.com>
> Signed-off-by: Mark A. Greer <mgreer at animalcreek.com>
> ---
> .../devicetree/bindings/crypto/omap-sham.txt | 33 ++++++++++++++++++++++
> arch/arm/boot/dts/am335x-bone.dts | 4 +++
> arch/arm/boot/dts/am335x-evm.dts | 4 +++
> arch/arm/boot/dts/am335x-evmsk.dts | 3 ++
> arch/arm/boot/dts/am33xx.dtsi | 9 ++++++
> 5 files changed, 53 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/crypto/omap-sham.txt
>
> diff --git a/Documentation/devicetree/bindings/crypto/omap-sham.txt b/Documentation/devicetree/bindings/crypto/omap-sham.txt
> new file mode 100644
> index 0000000..c6d1202
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/omap-sham.txt
> @@ -0,0 +1,33 @@
> +OMAP SoC SHA crypto Module
> +
> +Required properties:
> +
> +- compatible : Should contain entries for this and backward compatible
> + SHAM versions:
> + - "ti,omap2-sham" for OMAP2 & OMAP3.
> + - "ti,omap4-sham" for OMAP4 and AM33XX.
> + Note that these two versions are incompatible.
> +- ti,hwmods: Name of the hwmod associated with the SHAM module
> +- reg : Offset and length of the register set for the module
> +- interrupt-parent : the phandle for the interrupt controller that
> + services interrupts for this module.
> +- interrupts : the interrupt number for the SHAM module.
> +
> +Optional properties:
> +- dmas: DMA controller phandle and DMA request ordered pair.
> + Only one rx pair is valid per SHAM module.
> +- dma-names: DMA request name. This string corresponds 1:1 with
> + the ordered pair in dmas. The string naming is to be
> + "rx" for RX request.
> +
> +Example:
> + /* AM335x */
> + sham: sham at 53100000 {
> + compatible = "ti,omap4-sham";
> + ti,hwmods = "sham";
> + reg = <0x53100000 0x200>;
> + interrupt-parent = <&intc>;
> + interrupts = <109>;
> + dmas = <&edma 36>;
> + dma-names = "rx";
> + };
> diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
> index 444b4ed..bc75b2c 100644
> --- a/arch/arm/boot/dts/am335x-bone.dts
> +++ b/arch/arm/boot/dts/am335x-bone.dts
> @@ -234,3 +234,7 @@
> pinctrl-0 = <&davinci_mdio_default>;
> pinctrl-1 = <&davinci_mdio_sleep>;
> };
> +
> +&sham {
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
> index 3aee1a4..9b8c56d 100644
> --- a/arch/arm/boot/dts/am335x-evm.dts
> +++ b/arch/arm/boot/dts/am335x-evm.dts
> @@ -488,3 +488,7 @@
> ti,adc-channels = <4 5 6 7>;
> };
> };
> +
> +&sham {
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
> index 0c8ad17..b04aea1 100644
> --- a/arch/arm/boot/dts/am335x-evmsk.dts
> +++ b/arch/arm/boot/dts/am335x-evmsk.dts
> @@ -401,4 +401,7 @@
> &cpsw_emac1 {
> phy_id = <&davinci_mdio>, <1>;
> phy-mode = "rgmii-txid";
> +
> +&sham {
> + status = "okay";
"};" is missing here.
> };
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 38b446b..eb0e719 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -529,6 +529,15 @@
> #address-cells = <2>;
> #size-cells = <1>;
> status = "disabled";
> +
> + sham: sham at 53100000 {
> + compatible = "ti,omap4-sham";
> + ti,hwmods = "sham";
> + reg = <0x53100000 0x200>;
> + interrupt-parent = <&intc>;
> + interrupts = <109>;
> + dmas = <&edma 36>;
> + dma-names = "rx";
ditto...
And please specify in commit log that this series is dependent on
Joel's "[PATCH 1/2] ARM: dts: add AM33XX EDMA support" series.
Thanks,
Lokesh
> };
> };
> };
>
More information about the linux-arm-kernel
mailing list