On Wed, Jun 26, 2013 at 06:54:41, Fernandes, Joel wrote:
> From: Matt Porter <mporter@xxxxxx>
>
> Adds AM33XX MMC support for am335x-bone, am335x-evm, and
> am335x-evmsk.
>
> Signed-off-by: Matt Porter <mporter@xxxxxx>
> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/am335x-bone.dts | 7 +++++++
> arch/arm/boot/dts/am335x-evm.dts | 7 +++++++
> arch/arm/boot/dts/am335x-evmsk.dts | 7 +++++++
> arch/arm/boot/dts/am33xx.dtsi | 28 ++++++++++++++++++++++++++++
> 4 files changed, 49 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
> index 5302f79..80bff9c 100644
> --- a/arch/arm/boot/dts/am335x-bone.dts
> +++ b/arch/arm/boot/dts/am335x-bone.dts
> @@ -120,6 +120,8 @@
> };
>
> ldo3_reg: regulator@5 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> regulator-always-on;
> };
>
> @@ -136,3 +138,8 @@
> &cpsw_emac1 {
> phy_id = <&davinci_mdio>, <1>;
> };
> +
> +&mmc1 {
> + status = "okay";
> + vmmc-supply = <&ldo3_reg>;
> +};
> diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
> index 0423298..62af561 100644
> --- a/arch/arm/boot/dts/am335x-evm.dts
> +++ b/arch/arm/boot/dts/am335x-evm.dts
> @@ -232,6 +232,8 @@
> };
>
> vmmc_reg: regulator@12 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> regulator-always-on;
> };
> };
> @@ -244,3 +246,8 @@
> &cpsw_emac1 {
> phy_id = <&davinci_mdio>, <1>;
> };
> +
> +&mmc1 {
> + status = "okay";
> + vmmc-supply = <&vmmc_reg>;
> +};
> diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
> index f67c360..8904b88 100644
> --- a/arch/arm/boot/dts/am335x-evmsk.dts
> +++ b/arch/arm/boot/dts/am335x-evmsk.dts
> @@ -244,7 +244,14 @@
> };
>
> vmmc_reg: regulator@12 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> regulator-always-on;
> };
> };
> };
> +
> +&mmc1 {
> + status = "okay";
> + vmmc-supply = <&vmmc_reg>;
> +};
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index b4fda12..119f8a9 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -229,6 +229,34 @@
> status = "disabled";
> };
>
> + mmc1: mmc@48060000 {
> + compatible = "ti,omap3-hsmmc";
> + ti,hwmods = "mmc1";
> + ti,dual-volt;
> + ti,needs-special-reset;
> + dmas = <&edma 24
> + &edma 25>;
> + dma-names = "tx", "rx";
> + status = "disabled";
> + };
MMC1 also needs "ti,needs-special-hs-handling" dt property to indicate support
for properly supporting SD HS cards.
>From commit
commit cd587096c0e2b85a67e77721a753679bac89b394
mmc: omap_hsmmc: Enable HSPE bit for high speed cards
HSMMC IP on AM33xx need a special setting to handle High-speed cards.
Other platforms like TI81xx, OMAP4 may need this as-well. This depends
on the HSMMC IP timing closure done for the high speed cards.
> +
> + mmc2: mmc@481d8000 {
> + compatible = "ti,omap3-hsmmc";
> + ti,hwmods = "mmc2";
> + ti,needs-special-reset;
> + dmas = <&edma 2
> + &edma 3>;
> + dma-names = "tx", "rx";
> + status = "disabled";
> + };
> +
> + mmc3: mmc@47810000 {
> + compatible = "ti,omap3-hsmmc";
> + ti,hwmods = "mmc3";
> + ti,needs-special-reset;
> + status = "disabled";
> + };
> +
> wdt2: wdt@44e35000 {
> compatible = "ti,omap3-wdt";
> ti,hwmods = "wd_timer2";
> --
> 1.7.9.5
>
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>
Regards,
Gururaja
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