From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1DACC43441 for ; Mon, 19 Nov 2018 10:02:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C570020831 for ; Mon, 19 Nov 2018 10:02:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C570020831 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mxic.com.tw Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727654AbeKSUZo (ORCPT ); Mon, 19 Nov 2018 15:25:44 -0500 Received: from twhmllg4.macronix.com ([122.147.135.202]:16036 "EHLO TWHMLLG4.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726287AbeKSUZn (ORCPT ); Mon, 19 Nov 2018 15:25:43 -0500 Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG4.macronix.com with ESMTP id wAJA1VDO035565; Mon, 19 Nov 2018 18:01:33 +0800 (GMT-8) (envelope-from masonccyang@mxic.com.tw) From: Mason Yang To: broonie@kernel.org, tpiepho@impinj.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Simon Horman Cc: boris.brezillon@bootlin.com, juliensu@mxic.com.tw, Geert Uytterhoeven , zhengxunli@mxic.com.tw, Mason Yang Subject: [PATCH 2/2] dt-binding: spi: Document Renesas R-Car RPC controller bindings Date: Mon, 19 Nov 2018 18:01:30 +0800 Message-Id: <1542621690-10229-3-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1542621690-10229-1-git-send-email-masonccyang@mxic.com.tw> References: <1542621690-10229-1-git-send-email-masonccyang@mxic.com.tw> X-MAIL: TWHMLLG4.macronix.com wAJA1VDO035565 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document the bindings used by the Renesas R-Car D3 RPC controller. Signed-off-by: Mason Yang --- .../devicetree/bindings/spi/spi-renesas-rpc.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt new file mode 100644 index 0000000..8286cc8 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt @@ -0,0 +1,33 @@ +Renesas R-Car D3 RPC controller Device Tree Bindings +---------------------------------------------------- + +Required properties: +- compatible: should be "renesas,rpc-r8a77995" +- #address-cells: should be 1 +- #size-cells: should be 0 +- reg: should contain 2 entries, one for the registers and one for the direct + mapping area +- reg-names: should contain "rpc_regs" and "dirmap" +- interrupts: interrupt line connected to the RPC SPI controller +- clock-names: should contain "clk_rpc" +- clocks: should contain 1 entries for the CPG Module 917 clocks + +Example: + + rpc: spi@ee200000 { + compatible = "renesas,rpc-r8a77995"; + reg = <0 0xee200000 0 0x8100>, <0 0x08000000 0 0x4000000>; + reg-names = "rpc_regs", "dirmap"; + clocks = <&cpg CPG_MOD 917>; + clock-names = "clk_rpc"; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <40000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + }; + }; -- 1.9.1