From patchwork Thu Jul 19 06:51:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keiji Hayashibara X-Patchwork-Id: 10533667 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D32FD600F4 for ; Thu, 19 Jul 2018 06:53:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C2CE12964E for ; Thu, 19 Jul 2018 06:53:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B679129653; Thu, 19 Jul 2018 06:53:35 +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=-7.9 required=2.0 tests=BAYES_00, 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 647D62964E for ; Thu, 19 Jul 2018 06:53:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730749AbeGSHfI (ORCPT ); Thu, 19 Jul 2018 03:35:08 -0400 Received: from mx.socionext.com ([202.248.49.38]:36415 "EHLO mx.socionext.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727320AbeGSHfH (ORCPT ); Thu, 19 Jul 2018 03:35:07 -0400 Received: from unknown (HELO iyokan-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 19 Jul 2018 15:53:30 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by iyokan-ex.css.socionext.com (Postfix) with ESMTP id CBED560034; Thu, 19 Jul 2018 15:53:30 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Thu, 19 Jul 2018 15:53:30 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan.css.socionext.com (Postfix) with ESMTP id CA8DF1A11BB; Thu, 19 Jul 2018 15:53:29 +0900 (JST) From: Keiji Hayashibara To: broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, yamada.masahiro@socionext.com, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: masami.hiramatsu@linaro.org, jaswinder.singh@linaro.org, linux-kernel@vger.kernel.org, hayashibara.keiji@socionext.com, Kunihiko Hayashi Subject: [PATCH 1/2] dt-bindings: spi: add DT bindings for UniPhier SPI controller Date: Thu, 19 Jul 2018 15:51:56 +0900 Message-Id: <1531983117-9443-2-git-send-email-hayashibara.keiji@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1531983117-9443-1-git-send-email-hayashibara.keiji@socionext.com> References: <1531983117-9443-1-git-send-email-hayashibara.keiji@socionext.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kunihiko Hayashi Add DT bindings for SPI controller implemented in UniPhier SoCs. Signed-off-by: Kunihiko Hayashi Signed-off-by: Keiji Hayashibara Reviewed-by: Rob Herring --- .../devicetree/bindings/spi/spi-uniphier.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-uniphier.txt diff --git a/Documentation/devicetree/bindings/spi/spi-uniphier.txt b/Documentation/devicetree/bindings/spi/spi-uniphier.txt new file mode 100644 index 0000000..9c8c4a1 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-uniphier.txt @@ -0,0 +1,26 @@ +Socionext UniPhier SPI controller driver + +UniPhier SoCs have two types of SPI controllers; SCSSI supports a +single channel, and MCSSI supports multiple channels. +Both of them support the SPI master mode only. + +Required properties: + - compatible: should be + "socionext,uniphier-scssi" - for SCSSI device + "socionext,uniphier-mcssi" - for MCSSI device + - reg: address and length of the spi master registers + - #address-cells: must be <1>, see spi-bus.txt + - #size-cells: must be <0>, see spi-bus.txt + - clocks: A phandle to the clock for the device. + - resets: A phandle to the reset control for the device. + +Example: + +spi0: spi@54006000 { + compatible = "socionext,uniphier-scssi"; + reg = <0x54006000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&peri_clk 11>; + resets = <&peri_rst 11>; +};