From patchwork Wed Nov 21 12:09:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 10692509 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6B35116B1 for ; Wed, 21 Nov 2018 12:09:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 596CD2B7EE for ; Wed, 21 Nov 2018 12:09:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4D41F2B7F4; Wed, 21 Nov 2018 12:09:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E2C772B7EE for ; Wed, 21 Nov 2018 12:09:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729808AbeKUWnw (ORCPT ); Wed, 21 Nov 2018 17:43:52 -0500 Received: from kirsty.vergenet.net ([202.4.237.240]:43355 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729743AbeKUWnw (ORCPT ); Wed, 21 Nov 2018 17:43:52 -0500 Received: from reginn.horms.nl (watermunt.horms.nl [80.127.179.77]) by kirsty.vergenet.net (Postfix) with ESMTPA id 36A4B25BE43; Wed, 21 Nov 2018 23:09:42 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verge.net.au; s=mail; t=1542802182; bh=DvOE+QtqLZN9VCiovaIJ8if2Zdkop+irAVrwSUlIbik=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aS4y6H33tzQG+lZbWTcSM4f7FnPZ+5jeDoHbFQ1izxIXhS0QHbJmfH9cuAhEv7KmH vNaEPMRljN8trve/XJGLTrHbmFMim5cFA9cZSg92Y8WLMKSnV3SRUPl22a6r7Coj1t DUpel/yIqgkJAjqhTr/MMf7FBfDXEiWT/BDHqNgE= Received: by reginn.horms.nl (Postfix, from userid 7100) id 90D86940388; Wed, 21 Nov 2018 13:09:40 +0100 (CET) From: Simon Horman To: Wolfram Sang Cc: Magnus Damm , linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Simon Horman Subject: [PATCH 1/2] i2c: sh_mobile: document support for r8a77990 (R-Car E3) Date: Wed, 21 Nov 2018 13:09:27 +0100 Message-Id: <20181121120928.25179-2-horms+renesas@verge.net.au> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20181121120928.25179-1-horms+renesas@verge.net.au> References: <20181121120928.25179-1-horms+renesas@verge.net.au> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Document support for the IIC code for the r8a77990 (R-Car E3). It is not considered compatible with existing fallback bindings due to the documented absence of automatic transmission registers. Signed-off-by: Simon Horman Reviewed-by: Geert Uytterhoeven --- Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt index d81b62643655..bc876b71d1e4 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt @@ -16,6 +16,7 @@ Required properties: - "renesas,iic-r8a7795" (R-Car H3) - "renesas,iic-r8a7796" (R-Car M3-W) - "renesas,iic-r8a77965" (R-Car M3-N) + - "renesas,iic-r8a77990" (R-Car E3) - "renesas,iic-sh73a0" (SH-Mobile AG5) - "renesas,rcar-gen2-iic" (generic R-Car Gen2 or RZ/G1 compatible device) @@ -28,7 +29,13 @@ Required properties: the platform first followed by the generic R-Car version. - renesas,rmobile-iic must always follow. + When compatible with "renesas,rmobile-iic" it should + be the last compatibility string listed. + + The r8a77990 (R-Car E3) controller is not + considered compatible with "renesas,rcar-gen3-iic" + or "renesas,rmobile-iic" due to the absence of + automatic transmission registers. - reg : address start and address range size of device - interrupts : interrupt of device