diff options
Diffstat (limited to '0008-ARM-dts-add-AM33XX-MMC-support.patch')
| -rw-r--r-- | 0008-ARM-dts-add-AM33XX-MMC-support.patch | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/0008-ARM-dts-add-AM33XX-MMC-support.patch b/0008-ARM-dts-add-AM33XX-MMC-support.patch new file mode 100644 index 000000000..23c2244db --- /dev/null +++ b/0008-ARM-dts-add-AM33XX-MMC-support.patch @@ -0,0 +1,191 @@ +From 1aa00b457ea36f6eeb78b66be076e16a2d3fafe0 Mon Sep 17 00:00:00 2001 +From: Matt Porter <mporter@ti.com> +Date: Thu, 7 Mar 2013 04:16:39 +0000 +Subject: [PATCH 08/13] ARM: dts: add AM33XX MMC support + +Adds AM33XX MMC support for am335x-bone, am335x-evm, and +am335x-evmsk. + +Also added is the DMA binding definitions based on the generic +DMA request binding. + +Changes to DTS: +Interrupt and reg added by: Joel Fernandes <joelf@ti.com> +Compatible added by Balaji TK <balajitk@ti.com> +ti,needs-special-hs-handling added by Gururaja Hebbar <gururaja.hebbar@ti.com> + +Signed-off-by: Matt Porter <mporter@ti.com> +Acked-by: Tony Lindgren <tony@atomide.com> +Signed-off-by: Joel Fernandes <joelf@ti.com> + +Conflicts: + arch/arm/boot/dts/am335x-evmsk.dts +--- + .../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 26 ++++++++++++++- + 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 | 38 ++++++++++++++++++++++ + 5 files changed, 84 insertions(+), 1 deletion(-) + +diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +index ed271fc..8c8908a 100644 +--- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt ++++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +@@ -20,8 +20,29 @@ ti,dual-volt: boolean, supports dual voltage cards + ti,non-removable: non-removable slot (like eMMC) + ti,needs-special-reset: Requires a special softreset sequence + ti,needs-special-hs-handling: HSMMC IP needs special setting for handling High Speed ++dmas: List of DMA specifiers with the controller specific format ++as described in the generic DMA client binding. A tx and rx ++specifier is required. ++dma-names: List of DMA request names. These strings correspond ++1:1 with the DMA specifiers listed in dmas. The string naming is ++to be "rx" and "tx" for RX and TX DMA requests, respectively. ++ ++Examples: ++ ++[hwmod populated DMA resources] ++ ++ mmc1: mmc@0x4809c000 { ++ compatible = "ti,omap4-hsmmc"; ++ reg = <0x4809c000 0x400>; ++ ti,hwmods = "mmc1"; ++ ti,dual-volt; ++ bus-width = <4>; ++ vmmc-supply = <&vmmc>; /* phandle to regulator node */ ++ ti,non-removable; ++ }; ++ ++[generic DMA request binding] + +-Example: + mmc1: mmc@0x4809c000 { + compatible = "ti,omap4-hsmmc"; + reg = <0x4809c000 0x400>; +@@ -30,4 +51,7 @@ Example: + bus-width = <4>; + vmmc-supply = <&vmmc>; /* phandle to regulator node */ + ti,non-removable; ++ dmas = <&edma 24 ++ &edma 25>; ++ dma-names = "tx", "rx"; + }; +diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts +index 444b4ed..b8debea 100644 +--- a/arch/arm/boot/dts/am335x-bone.dts ++++ b/arch/arm/boot/dts/am335x-bone.dts +@@ -203,6 +203,8 @@ + }; + + ldo3_reg: regulator@5 { ++ regulator-min-microvolt = <1800000>; ++ regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + +@@ -234,3 +236,8 @@ + pinctrl-0 = <&davinci_mdio_default>; + pinctrl-1 = <&davinci_mdio_sleep>; + }; ++ ++&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 3aee1a4..44e69d9 100644 +--- a/arch/arm/boot/dts/am335x-evm.dts ++++ b/arch/arm/boot/dts/am335x-evm.dts +@@ -448,6 +448,8 @@ + }; + + vmmc_reg: regulator@12 { ++ regulator-min-microvolt = <1800000>; ++ regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; +@@ -488,3 +490,8 @@ + ti,adc-channels = <4 5 6 7>; + }; + }; ++ ++&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 0c8ad17..4e355d6 100644 +--- a/arch/arm/boot/dts/am335x-evmsk.dts ++++ b/arch/arm/boot/dts/am335x-evmsk.dts +@@ -376,6 +376,8 @@ + }; + + vmmc_reg: regulator@12 { ++ regulator-min-microvolt = <1800000>; ++ regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; +@@ -402,3 +404,8 @@ + phy_id = <&davinci_mdio>, <1>; + phy-mode = "rgmii-txid"; + }; ++ ++&mmc1 { ++ status = "okay"; ++ vmmc-supply = <&vmmc_reg>; ++}; +diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi +index 0fdb949..969c81b 100644 +--- a/arch/arm/boot/dts/am33xx.dtsi ++++ b/arch/arm/boot/dts/am33xx.dtsi +@@ -236,6 +236,44 @@ + 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"; +-- +1.8.2.1 + |