Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751903Ab3IJT0v (ORCPT ); Tue, 10 Sep 2013 15:26:51 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:51445 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751028Ab3IJTZw (ORCPT ); Tue, 10 Sep 2013 15:25:52 -0400 From: Joel Fernandes To: Benoit Cousson CC: Nishanth Menon , Devicetree Discuss , Linux OMAP List , Linux ARM Kernel List , Linux Kernel Mailing List , Linux Documentation List , Linux MMC List , Linux SPI Devel List , Joel Fernandes Subject: [PATCH 3/3] ARM: dts: add AM33XX MMC support and documentation Date: Tue, 10 Sep 2013 14:24:39 -0500 Message-ID: <1378841079-15796-4-git-send-email-joelf@ti.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1378841079-15796-1-git-send-email-joelf@ti.com> References: <1378841079-15796-1-git-send-email-joelf@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5254 Lines: 185 From: Matt Porter 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 Acked-by: Tony Lindgren Signed-off-by: Joel Fernandes --- .../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 26 ++++++++++++++- arch/arm/boot/dts/am335x-bone.dts | 11 +++++++ 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, 88 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 7993c48..d5f43fe 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -9,3 +9,14 @@ #include "am33xx.dtsi" #include "am335x-bone-common.dtsi" + +&ldo3_reg { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; +}; + +&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 e8ec875..bc4a69d 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -477,6 +477,8 @@ }; vmmc_reg: regulator@12 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; regulator-always-on; }; }; @@ -517,3 +519,8 @@ 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 4f339fa..55fd194 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -393,6 +393,8 @@ }; vmmc_reg: regulator@12 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; regulator-always-on; }; }; @@ -419,3 +421,8 @@ 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 9ce85e5..0a82fca 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -240,6 +240,44 @@ 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"; -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/