From patchwork Thu Nov 27 11:43:54 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 5395351 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 488A19F39B for ; Thu, 27 Nov 2014 11:45:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 60CD3201F4 for ; Thu, 27 Nov 2014 11:45:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 924882016C for ; Thu, 27 Nov 2014 11:45:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754806AbaK0LpV (ORCPT ); Thu, 27 Nov 2014 06:45:21 -0500 Received: from mail-ig0-f177.google.com ([209.85.213.177]:63772 "EHLO mail-ig0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754863AbaK0LoQ (ORCPT ); Thu, 27 Nov 2014 06:44:16 -0500 Received: by mail-ig0-f177.google.com with SMTP id z20so4168567igj.10 for ; Thu, 27 Nov 2014 03:44:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ahcb6GtzSDb2a46/LulVZq9b9EMrM8ErT2rfzagbG7A=; b=DfFVy8q9f+81qjIte4yAV6jbnzJKrMb6MqZw55ZGU2vIVoCWbVisILNsPvSvrjWVAs ZTJBI03AFEI639S6dKrlX5LSwDgZ0eOVdQCxplpqmdn4nl+NbZ3eEOmVL9+QYvfSgtvi ozwy4+xh3yarSTLfcQ8kc3IJs69YeZpeoiKXvRL0uCDG3fb6AkeFlJDwo7TlxkDlirg1 ozZfptHSv5G/CjffuoXzoDnaUhdf7dZM4DkfYUAqsKW3XF/uftpm6bf4i81vfKERtNGr ArJBUen/ep+UFw7A8PH4jkMbenhYyH1nrGxfvd0Gxp1l7l761kcuz3slE9kcQfSCP4rk 9kqg== X-Gm-Message-State: ALoCoQlJWxmGyXV91wV3JqDn95VdoluPWhWo0buC3CfwQhYaGxbFXXE4sdiibSS+HQ3W3Kkx1pA1 X-Received: by 10.42.206.4 with SMTP id fs4mr27450831icb.90.1417088656221; Thu, 27 Nov 2014 03:44:16 -0800 (PST) Received: from localhost.localdomain (host109-148-232-11.range109-148.btcentralplus.com. [109.148.232.11]) by mx.google.com with ESMTPSA id lr5sm4215977igb.16.2014.11.27.03.44.13 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 27 Nov 2014 03:44:15 -0800 (PST) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: lee.jones@linaro.org, kernel@stlinux.com, broonie@kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 2/4] spi: st: Provide Device Tree binding documentation Date: Thu, 27 Nov 2014 11:43:54 +0000 Message-Id: <1417088636-11994-3-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1417088636-11994-1-git-send-email-lee.jones@linaro.org> References: <1417088636-11994-1-git-send-email-lee.jones@linaro.org> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds DT documentation for the SPI portion of ST's SSC device. Signed-off-by: Lee Jones --- Documentation/devicetree/bindings/spi/spi-st.txt | 40 ++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-st.txt diff --git a/Documentation/devicetree/bindings/spi/spi-st.txt b/Documentation/devicetree/bindings/spi/spi-st.txt new file mode 100644 index 0000000..efef468e --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-st.txt @@ -0,0 +1,40 @@ +STMicroelectronics SSC (SPI) Controller +--------------------------------------- + +Required properties: +- compatible : "st,comms-ssc-spi" or "st,comms-ssc4-spi" +- reg : Offset and length of the device's register set +- interrupts : The interrupt specifier +- clock-names : Must contain "ssc" +- clocks : Must contain an entry for each name in clock-names + See ../clk/* +- pinctrl-names : Uses "default", can use "sleep" if provided + See ../pinctrl/pinctrl-binding.txt + +Optional properties: +- cs-gpios : List of GPIO chip selects + See ../spi/spi-bus.txt + +Child nodes represent devices on the SPI bus + See ../spi/spi-bus.txt + +Example: + spi@9840000 { + compatible = "st,comms-ssc-spi"; + reg = <0x9840000 0x110>; + interrupts = ; + clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>; + clock-names = "ssc"; + pinctrl-0 = <&pinctrl_spi0_default>; + pinctrl-names = "default"; + cs-gpios = <&pio17 5 0>; + #address-cells = <1>; + #size-cells = <0>; + + st95hf@0{ + compatible = "st,st95hf"; + reg = <0>; + spi-max-frequency = <1000000>; + interrupts = <2 IRQ_TYPE_EDGE_FALLING>; + }; + };