ARM: dts: AM33XX: Add MMC support and documentation

Adds AM33XX MMC support for am335x-bone, am335x-evm and am335x-evmsk boards.

Also added is the DMA binding definitions based on the generic DMA request
binding.

Additional changes made to DTS:
* Interrupt, reg and compatible properties added
* ti,needs-special-hs-handling added

Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 9cd60bf5edb5..553adc6b535e 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -245,6 +245,44 @@
                         status = "disabled";
                 };
 
+                mmc1: mmc@48060000 {
+                        compatible = "ti,omap4-hsmmc";
+                        ti,hwmods = "mmc1";
+                        ti,dual-volt;
+                        ti,needs-special-reset;
+                        ti,needs-special-hs-handling;
+                        dmas = <&edma 24
+                                &edma 25>;
+                        dma-names = "tx", "rx";
+                        interrupts = <64>;
+                        interrupt-parent = <&intc>;
+                        reg = <0x48060000 0x1000>;
+                        status = "disabled";
+                };
+
+                mmc2: mmc@481d8000 {
+                        compatible = "ti,omap4-hsmmc";
+                        ti,hwmods = "mmc2";
+                        ti,needs-special-reset;
+                        dmas = <&edma 2
+                                &edma 3>;
+                        dma-names = "tx", "rx";
+                        interrupts = <28>;
+                        interrupt-parent = <&intc>;
+                        reg = <0x481d8000 0x1000>;
+                        status = "disabled";
+                };
+
+                mmc3: mmc@47810000 {
+                        compatible = "ti,omap4-hsmmc";
+                        ti,hwmods = "mmc3";
+                        ti,needs-special-reset;
+                        interrupts = <29>;
+                        interrupt-parent = <&intc>;
+                        reg = <0x47810000 0x1000>;
+                        status = "disabled";
+                };
+
                 wdt2: wdt@44e35000 {
                         compatible = "ti,omap3-wdt";
                         ti,hwmods = "wd_timer2";