From patchwork Mon Nov 22 02:33:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li-hao Kuo X-Patchwork-Id: 518811 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEBD9C43217 for ; Mon, 22 Nov 2021 02:33:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232199AbhKVCgn (ORCPT ); Sun, 21 Nov 2021 21:36:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231668AbhKVCgm (ORCPT ); Sun, 21 Nov 2021 21:36:42 -0500 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9816C061574; Sun, 21 Nov 2021 18:33:36 -0800 (PST) Received: by mail-pf1-x436.google.com with SMTP id x5so14811174pfr.0; Sun, 21 Nov 2021 18:33:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=6Y3UkL0jOnu3RZLect1uIou7kaWIw2ExAw+aME818xE=; b=RN3mlej9PggWicSRStx1mdXy8PtB0IgBXwH/RB5kHAZFPnJeBnqkOy1VO1EDjrF0CD UNbNihsRAHWvEvqA09c920gRWaY9rTuLo5qArf7OAnO92i0PxzXGV5Ta8ue/oVTKXX8n 3jupDJB83+AAcNjvylF5IrrOd9bGeWVZO8aBoekgnWrIxWcWDo+oW2RdobclQLmqnV0q HpzFRy/nFelVeJKuz4xr3bpRVV/dtBynt3NERwuMZnLTsnFITHI/XpGu1FAd44E6GJ6R EJj8eP4MBu43QzoNI6owkLW4dx0BTZ+KY3YxGZbYt9DAG+mWlaLKYOugAUyz/9BK2koq f42g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=6Y3UkL0jOnu3RZLect1uIou7kaWIw2ExAw+aME818xE=; b=2KGm04vjA6mQhGDi29oDr8xvxn2gWF5WEx8UeX6mPux0PmPhW8yWk4CSqjaPdWM4Wo gZN5k7TZQZEg4qV3ryRY1vSFXikaeRycIfa+yCOFqoV+/t7osW7nlxRJ7Zto8pnC4bbi Z1xmNfDcJhW2o/miRZwA5fFEfMtfEzsKG3YRSabJHORk5c2ALuNduDYa91GkHA1PCTJd MEodpeWcPfMjY3UTwdL+1exKKoPKPOfvQaMPi6vdWkXUdpnljdvZvV0v7OfXAkTkjoRP p+d7ZFC6xT6TC7YWD+nuyaNu6Plv/WTqkHZ67Fwc3DB2DM1qWTUWQmys1zUjbumVmNaZ 3xJw== X-Gm-Message-State: AOAM531CrRSFJMEzRnLTgZvADOIMMC4JNwWnbUO40GMkLNlcrmHR9drc 81rYZcVwx+LhjKbsWt8VQf6SZ69xXnCUYtvd X-Google-Smtp-Source: ABdhPJzmVMRCVBVQhhqz2GjVI1k+L6SrcDlxffdHxWazU34Y1wDaNQaoWy46/lBAwZEsEF9v7VnQjA== X-Received: by 2002:a62:884c:0:b0:49f:9947:e5cd with SMTP id l73-20020a62884c000000b0049f9947e5cdmr41232056pfd.45.1637548416126; Sun, 21 Nov 2021 18:33:36 -0800 (PST) Received: from scdiu3.sunplus.com ([113.196.136.192]) by smtp.googlemail.com with ESMTPSA id m6sm4673207pgl.2.2021.11.21.18.33.34 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 21 Nov 2021 18:33:35 -0800 (PST) From: "LH.Kuo" X-Google-Original-From: "LH.Kuo" To: p.zabel@pengutronix.de, broonie@kernel.org, robh+dt@kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dvorkin@tibbo.com, qinjian@cqplus1.com, wells.lu@sunplus.com, "LH.Kuo" Subject: [PATCH v3 2/2] devicetree: bindings SPI Add bindings doc for Sunplus SP7021 Date: Mon, 22 Nov 2021 10:33:33 +0800 Message-Id: <7b8353666052fc42647fce833485b271df8dbc9f.1637547799.git.lh.kuo@sunplus.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: <1635747525-31243-1-git-send-email-lh.kuo@sunplus.com> In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Add devicetree bindings SPI Add bindings doc for Sunplus SP7021 Signed-off-by: LH.Kuo --- Changes in v3: - Addressed all comments from Mr. Mark Brown - Addressed all comments from Mr. Philipp Zabel - Addressed all comments from Mr. Rob Herring - remove spi transfer_one_message .../bindings/spi/spi-sunplus-sp7021.yaml | 95 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml diff --git a/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml b/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml new file mode 100644 index 0000000..5502f15 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus sp7021 SPI controller + +allOf: + - $ref: "spi-controller.yaml" + +maintainers: + - lh.kuo + +properties: + compatible: + enum: + - sunplus,sp7021-spi-controller + + reg: + items: + - description: Base address and length of the SPI master registers + - description: Base address and length of the SPI slave registers + + reg-names: + items: + - const: spi_master + - const: spi_slave + + interrupt-names: + items: + - const: dma_w_intr + - const: mas_risc_intr + - const: slave_risc_intr + + interrupts: + minItems: 3 + + clocks: + maxItems: 1 + + clocks-names: + items: + - const: sys_pll + + resets: + maxItems: 1 + + pinctrl-names: + description: + A pinctrl state named "default" must be defined. + const: default + + pinctrl-0: + description: + A phandle to the default pinctrl state. + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + - clocks + - clocks-names + - resets + - pinctrl-names + - pinctrl-0 + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + spi@9C002D80 { + compatible = "sunplus,sp7021-spi-controller"; + reg = <0x9C002D80 0x80>, <0x9C002E00 0x80>; + reg-names = "spi_master", "spi_slave"; + interrupt-parent = <&intc>; + interrupt-names = "dma_w_intr", + "mas_risc_intr", + "slave_risc_intr"; + interrupts = <144 IRQ_TYPE_LEVEL_HIGH>, + <146 IRQ_TYPE_LEVEL_HIGH>, + <145 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc SPI_COMBO_0>; + clocks-names = "sys_pll"; + resets = <&rstc RST_SPI_COMBO_0>; + pinctrl-names = "default"; + pinctrl-0 = <&pins_spi0>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 75fa7d5..88f3747 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18220,6 +18220,7 @@ SUNPLUS SPI CONTROLLER INTERFACE DRIVER M: LH Kuo L: linux-spi@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml F: drivers/spi/spi-sunplus-sp7021.c SUPERH