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 023A0C64EB1 for ; Fri, 7 Dec 2018 11:14:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C68FC20989 for ; Fri, 7 Dec 2018 11:14:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C68FC20989 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 S1726118AbeLGLOA (ORCPT ); Fri, 7 Dec 2018 06:14:00 -0500 Received: from twhmllg4.macronix.com ([211.75.127.132]:27269 "EHLO TWHMLLG4.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726101AbeLGLN6 (ORCPT ); Fri, 7 Dec 2018 06:13:58 -0500 Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG4.macronix.com with ESMTP id wB7BDKkl078297; Fri, 7 Dec 2018 19:13:22 +0800 (GMT-8) (envelope-from masonccyang@mxic.com.tw) From: Mason Yang To: broonie@kernel.org, marek.vasut@gmail.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, boris.brezillon@bootlin.com, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven Cc: juliensu@mxic.com.tw, Simon Horman , zhengxunli@mxic.com.tw, Mason Yang Subject: [PATCH v3 2/2] dt-binding: spi: Document Renesas R-Car Gen3 RPC controller bindings Date: Fri, 7 Dec 2018 19:13:19 +0800 Message-Id: <1544181199-3373-3-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1544181199-3373-1-git-send-email-masonccyang@mxic.com.tw> References: <1544181199-3373-1-git-send-email-masonccyang@mxic.com.tw> X-MAIL: TWHMLLG4.macronix.com wB7BDKkl078297 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 Gen3 RPC controller. Signed-off-by: Mason Yang --- .../devicetree/bindings/spi/spi-renesas-rpc.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 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..a191f70 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt @@ -0,0 +1,38 @@ +Renesas R-Car Gen3 RPC controller Device Tree Bindings +------------------------------------------------------ + +Required properties: +- compatible: should be "renesas,r8a77995-rpc" +- #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 controller +- clock-names: should contain "clk_rpc" +- clocks: should contain 1 entries for the module's clock +- rpc-mode: should contain "rpc-spi-flash" for rpc spi mode or + "rpc-hyperflash" for rpc hyerflash mode. + +Example: + + rpc: rpc@ee200000 { + compatible = "renesas,r8a77995-rpc"; + reg = <0 0xee200000 0 0x8100>, <0 0x08000000 0 0x4000000>; + reg-names = "rpc_regs", "dirmap"; + clocks = <&cpg CPG_MOD 917>; + power-domains = <&sysc R8A77995_PD_ALWAYS_ON>; + resets = <&cpg 917>; + clock-names = "clk_rpc"; + rpc-mode = "rpc-spi-flash"; + #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