From patchwork Fri Dec 27 20:16:00 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 3412431 Return-Path: X-Original-To: patchwork-linux-sh@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 A3CB59F2A9 for ; Fri, 27 Dec 2013 20:16:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 54B342015E for ; Fri, 27 Dec 2013 20:16:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 80EC420144 for ; Fri, 27 Dec 2013 20:16:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754761Ab3L0UQV (ORCPT ); Fri, 27 Dec 2013 15:16:21 -0500 Received: from juliette.telenet-ops.be ([195.130.137.74]:39341 "EHLO juliette.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754778Ab3L0UQT (ORCPT ); Fri, 27 Dec 2013 15:16:19 -0500 Received: from ayla.of.borg ([84.193.72.141]) by juliette.telenet-ops.be with bizsmtp id 6kGJ1n01F32ts5g06kGJ3E; Fri, 27 Dec 2013 21:16:18 +0100 Received: from geert by ayla.of.borg with local (Exim 4.76) (envelope-from ) id 1VwdpS-0004al-Eu; Fri, 27 Dec 2013 21:16:18 +0100 From: Geert Uytterhoeven To: linux-sh@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, Geert Uytterhoeven , devicetree@vger.kernel.org Subject: [PATCH v2 6/8] [RFC] Documentation: dt: Add Renesas RSPI/QSPI bindings Date: Fri, 27 Dec 2013 21:16:00 +0100 Message-Id: <1388175362-17132-7-git-send-email-geert@linux-m68k.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1388175362-17132-1-git-send-email-geert@linux-m68k.org> References: <1388175362-17132-1-git-send-email-geert@linux-m68k.org> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 From: Geert Uytterhoeven Signed-off-by: Geert Uytterhoeven Cc: devicetree@vger.kernel.org --- v2: - Clarify RSPI/QSPI - Add interrupt-parent - s/should/must/ for #address-cells and #size-cells Documentation/devicetree/bindings/spi/spi-rspi.txt | 31 ++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-rspi.txt diff --git a/Documentation/devicetree/bindings/spi/spi-rspi.txt b/Documentation/devicetree/bindings/spi/spi-rspi.txt new file mode 100644 index 000000000000..504db8917927 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-rspi.txt @@ -0,0 +1,31 @@ +Device tree configuration for Renesas RSPI/QSPI driver + +Required properties: +- compatible : For Renesas Serial Peripheral Interface: + "renesas,rspi-", "renesas,rspi-rz" as fallback. + For Quad Serial Peripheral Interface: + "renesas,qspi-", "renesas,qspi-rcar" as fallback. +- reg : address start and address range size of device +- interrupts : 3 interrupts for RSPI (SPEI, SPRI, SPTI), + 1 interrupt for QSPI +- interrupt-parent : the phandle for the interrupt controller that + services interrupts for this device. +- num-cs : Number of chip selects +- #address-cells : must be <1> +- #size-cells : must be <0> + +Pinctrl properties might be needed, too. See there. + +Example: + + spi0: spi@e800c800 { + compatible = "renesas,rspi-r7s72100", "renesas,rspi-rz"; + reg = <0xe800c800 0x24>; + interrupts = <0 238 IRQ_TYPE_LEVEL_HIGH>, + <0 239 IRQ_TYPE_LEVEL_HIGH>, + <0 240 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + num-cs = <1>; + #address-cells = <1>; + #size-cells = <0>; + };