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Date: Thu, 7 Mar 2013 05:29:24 +0000
From: "Hiremath, Vaibhav" <hvaibhav@...com>
To: "Porter, Matt" <mporter@...com>,
"Krishnamoorthy, Balaji T" <balajitk@...com>,
Chris Ball <cjb@...top.org>,
"Cousson, Benoit" <b-cousson@...com>,
Tony Lindgren <tony@...mide.com>,
Russell King <linux@....linux.org.uk>
CC: Devicetree Discuss <devicetree-discuss@...ts.ozlabs.org>,
Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
Linux OMAP List <linux-omap@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux MMC List <linux-mmc@...r.kernel.org>
Subject: RE: [PATCH 2/2] ARM: dts: add AM33XX MMC support
> -----Original Message-----
> From: linux-omap-owner@...r.kernel.org [mailto:linux-omap-
> owner@...r.kernel.org] On Behalf Of Porter, Matt
> Sent: Thursday, March 07, 2013 9:47 AM
> To: Krishnamoorthy, Balaji T; Chris Ball; Cousson, Benoit; Tony
> Lindgren; Russell King
> Cc: Devicetree Discuss; Linux ARM Kernel List; Linux OMAP List; Linux
> Kernel Mailing List; Linux MMC List
> Subject: [PATCH 2/2] ARM: dts: add AM33XX MMC support
>
> Adds AM33XX MMC support for am335x-bone, am335x-evm, and
> am335x-evmsk.
>
> Signed-off-by: Matt Porter <mporter@...com>
> Acked-by: Tony Lindgren <tony@...mide.com>
> ---
> 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 11b240c..a154ce0 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 d649644..2907da6 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 f5a6162..f050c46 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 c3c781a..e029eea 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -234,6 +234,34 @@
> status = "disabled";
> };
>
> + mmc1: mmc@...60000 {
> + 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";
> + };
> +
> + mmc2: mmc@...d8000 {
> + compatible = "ti,omap3-hsmmc";
> + ti,hwmods = "mmc2";
> + ti,needs-special-reset;
> + dmas = <&edma 2
> + &edma 3>;
> + dma-names = "tx", "rx";
> + status = "disabled";
> + };
> +
> + mmc3: mmc@...10000 {
> + compatible = "ti,omap3-hsmmc";
> + ti,hwmods = "mmc3";
> + ti,needs-special-reset;
> + status = "disabled";
> + };
Any specific reason why you did not add edma entry here as well?
Also, I wonder why "interrupt" property is not coming here, I understand
That hwmod is filling the gap here; but I would still recommend you to complete
The DT node, as we only support DT boot.
I will test the whole patch series today and update you.
Thanks,
Vaibhav
> +
> wdt2: wdt@...35000 {
> compatible = "ti,omap3-wdt";
> ti,hwmods = "wd_timer2";
> --
> 1.7.9.5
>
> --
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