From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753123AbdBFNkS (ORCPT ); Mon, 6 Feb 2017 08:40:18 -0500 Received: from mail-wj0-f196.google.com ([209.85.210.196]:32857 "EHLO mail-wj0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121AbdBFNkN (ORCPT ); Mon, 6 Feb 2017 08:40:13 -0500 From: Jan Glauber To: Ulf Hansson Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, David Daney , "Steven J . Hill" , Jan Glauber , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, David Daney , "Steven J . Hill" Subject: [PATCH v11 1/9] dt-bindings: mmc: Add Cavium SOCs MMC bindings Date: Mon, 6 Feb 2017 14:39:44 +0100 Message-Id: <20170206133953.8390-2-jglauber@cavium.com> X-Mailer: git-send-email 2.9.0.rc0.21.g7777322 In-Reply-To: <20170206133953.8390-1-jglauber@cavium.com> References: <20170206133953.8390-1-jglauber@cavium.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add description of Cavium Octeon and ThunderX SOC device tree bindings. CC: Ulf Hansson CC: Rob Herring CC: Mark Rutland CC: devicetree@vger.kernel.org Signed-off-by: Jan Glauber Signed-off-by: David Daney Signed-off-by: Steven J. Hill --- .../devicetree/bindings/mmc/cavium-mmc.txt | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/cavium-mmc.txt diff --git a/Documentation/devicetree/bindings/mmc/cavium-mmc.txt b/Documentation/devicetree/bindings/mmc/cavium-mmc.txt new file mode 100644 index 0000000..b79e356 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/cavium-mmc.txt @@ -0,0 +1,60 @@ +* Cavium Octeon & ThunderX MMC controller + +The highspeed MMC host controller on Caviums SoCs provides an interface +for MMC and SD types of memory cards. + +Supported maximum speeds are the ones of the eMMC standard 4.41 as well +as the speed of SD standard 4.0. Only 3.3 Volt is supported. + +Required properties: + - compatible : should be one of: + cavium,octeon-6130-mmc + cavium,octeon-6130-mmc-slot + cavium,octeon-7890-mmc + cavium,octeon-7890-mmc-slot + cavium,thunder-8190-mmc + cavium,thunder-8190-mmc-slot + cavium,thunder-8390-mmc + cavium,thunder-8390-mmc-slot + - reg : mmc controller base registers + - clocks : phandle + +Optional properties: + - for cd, bus-width and additional generic mmc parameters + please refer to mmc.txt within this directory + - cavium,cmd-clk-skew : number of coprocessor clocks before sampling command + - cavium,dat-clk-skew : number of coprocessor clocks before sampling data + +Deprecated properties: +- spi-max-frequency : use max-frequency instead +- cavium,bus-max-width : use bus-width instead + +Examples: + mmc_1_4: mmc@1,4 { + compatible = "cavium,thunder-8390-mmc"; + reg = <0x0c00 0 0 0 0>; /* DEVFN = 0x0c (1:4) */ + #address-cells = <1>; + #size-cells = <0>; + clocks = <&sclk>; + + mmc-slot@0 { + compatible = "cavium,thunder-8390-mmc-slot"; + reg = <0>; + voltage-ranges = <3300 3300>; + vmmc-supply = <&mmc_supply_3v3>; + max-frequency = <42000000>; + bus-width = <4>; + cap-sd-highspeed; + }; + + mmc-slot@1 { + compatible = "cavium,thunder-8390-mmc-slot"; + reg = <1>; + voltage-ranges = <3300 3300>; + vmmc-supply = <&mmc_supply_3v3>; + max-frequency = <42000000>; + bus-width = <8>; + cap-mmc-highspeed; + non-removable; + }; + }; -- 2.9.0.rc0.21.g7777322