[RFC PATCH v3 13/16] ARM: dts: add AM33XX MMC support
From: AnilKumar, Chimata <hidden>
Date: 2012-10-30 05:35:14
Also in:
linux-devicetree, linux-mmc, linux-omap, linux-spi, lkml
On Thu, Oct 18, 2012 at 18:56:52, Porter, Matt wrote:
quoted hunk ↗ jump to hunk
Adds AM33XX MMC support for am335x-bone and am335x-evm. Signed-off-by: Matt Porter <redacted> --- arch/arm/boot/dts/am335x-bone.dts | 6 ++++++ arch/arm/boot/dts/am335x-evm.dts | 6 ++++++ arch/arm/boot/dts/am33xx.dtsi | 27 +++++++++++++++++++++++++++ 3 files changed, 39 insertions(+)diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index c634f87..5510979 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts@@ -70,6 +70,8 @@ }; ldo3_reg: regulator at 5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>;
I think these min & max limits are regulator limits. Are these fields required? Add details of these additions. AFAIK fine-tuned (board specific) min/max limits should be add here(like mpu and core regulator nodes)
quoted hunk ↗ jump to hunk
regulator-always-on; };@@ -78,3 +80,7 @@ }; }; }; + +&mmc1 { + vmmc-supply = <&ldo3_reg>; +};diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 185d632..d63fce8 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts@@ -114,7 +114,13 @@ }; vmmc_reg: regulator at 12 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>;
=same=
quoted hunk ↗ jump to hunk
regulator-always-on; }; }; }; + +&mmc1 { + vmmc-supply = <&vmmc_reg>; +};diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index ab9c78f..26a6af7 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi@@ -234,6 +234,33 @@ status = "disabled"; }; + mmc1: mmc at 48060000 { + compatible = "ti,omap3-hsmmc"; + ti,hwmods = "mmc1"; + ti,dual-volt; + ti,needs-special-reset; + dmas = <&edma 24 + &edma 25>; + dma-names = "tx", "rx";
Add status = "disabled" here and "okay" in corresponding .dts file
+ };
+
+ mmc2: mmc at 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 at 47810000 {
+ compatible = "ti,omap3-hsmmc";
+ ti,hwmods = "mmc3";
+ ti,needs-special-reset;What about DMA resources for mmc3? AnilKumar
+ status = "disabled";
+ };
+
wdt2: wdt at 44e35000 {
compatible = "ti,omap3-wdt";
ti,hwmods = "wd_timer2";
--
1.7.9.5
_______________________________________________
devicetree-discuss mailing list
devicetree-discuss at lists.ozlabs.org
https://lists.ozlabs.org/listinfo/devicetree-discuss