From patchwork Tue Aug 20 10:42:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Md Sadre Alam X-Patchwork-Id: 820668 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2B9FA18DF95; Tue, 20 Aug 2024 10:43:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724150614; cv=none; b=ddAfpbgZuMSl18WLjxN3bWKkWqRhiN/HuHP1hGaRgL2uljTGkeTUoDdvZFK/WLp/bi8N60HghET1FeLWsYzK/PtVb2FOw92R4Nu5o1KL010hfsKIwG/kfy3kj1G1F2qjckNP9BnxkmvfwcNSWU/qsrg+6x7aQ/ATxTYl07pPBqk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724150614; c=relaxed/simple; bh=2LFmC3MxV+USmRwOHgHRY84PNfH3uFPBTOrlnlYgozk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mKp/PydM+dqcgHij9wYNn4Ay3k/pUCwMsZheMUhfTO0no+Ak5trAYmGrPjq+DtpzFmm2UUTopOAH5ADzctyOwj00gsQA5SYWTJ4vP4JsbSMAomZ1SzJbU5Tmi3gUkxXsvGGY7CrXPEOsKgjPID0cKRrWRGv9BmLzATWrb2u9wXo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=j8Hn1UuI; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="j8Hn1UuI" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 47K72llS024403; Tue, 20 Aug 2024 10:43:04 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= vTD2aaHJUOz4SzpvqXoCNIDE+uBrdh0pY8GAY6wWNUU=; b=j8Hn1UuI7utwlIDt REV+lBOOiw/8zIxW1icNERYqUTpmO5b6mNOjtcFY776n9pS6UIa71YpomDy0b4M2 mlfp7K1dcvB2ltLbFCkBmxy3uqL49W/80fhkPA9dCfOwABlmCFVGs+iyn6+aColQ fn5q0Ni0JrOPE+w12dZsuUdn6zEEbNSRhB5qgjCqAV0bra9S9D+3I48Y/VRXd6g3 PR0T39yBohlMlmi81sFGCxLeVsgfQh4P5ONj4sqq/ALm+MffTwxxfPoJvvsH5c+F 3uyZUbAItSvMMvbcRZYWaPWA06lRT0ibNdZdInEiAJ8KvQPxZnZdfdOhRsSjyFyR HPnXiQ== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 414pdmrp6n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 20 Aug 2024 10:43:04 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 47KAh2tk007148 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 20 Aug 2024 10:43:02 GMT Received: from hu-mdalam-blr.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 20 Aug 2024 03:42:58 -0700 From: Md Sadre Alam To: , , , , , , , , , , , , , , , CC: Krzysztof Kozlowski Subject: [PATCH v8 1/8] spi: dt-bindings: Introduce qcom,spi-qpic-snand Date: Tue, 20 Aug 2024 16:12:32 +0530 Message-ID: <20240820104239.1774600-2-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240820104239.1774600-1-quic_mdalam@quicinc.com> References: <20240820104239.1774600-1-quic_mdalam@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: UNGYPJMQtF0CmlJ1S6oAPG7RfZwryQBc X-Proofpoint-GUID: UNGYPJMQtF0CmlJ1S6oAPG7RfZwryQBc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-20_09,2024-08-19_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408200079 Document the QPIC-SPI-NAND flash controller present in the IPQ SoCs. It can work both in serial and parallel mode and supports typical SPI-NAND page cache operations. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Md Sadre Alam --- Change in [v8] * No change Change in [v7] * No change Change in [v6] * No change Change in [v5] * No change Change in [v4] * Fix spelling mistake in HW description * Added commit message * Removed '|' from description * Removed minItems in clock * Added blank line * Removed co-developed by Change in [v3] * Updated commit message, removed "dt-bindings" from commit message * Updated compatible name as file name * Added hardware description * Documented clock-name * Moved dma-names property to top * Droped unused label "qpic_nand" * Fixed indentation in example dt node Change in [v2] * Added initial support for dt-bindings Change in [v1] * This patch was not included in [v1] .../bindings/spi/qcom,spi-qpic-snand.yaml | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qpic-snand.yaml diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qpic-snand.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-qpic-snand.yaml new file mode 100644 index 000000000000..f0d9f7643849 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/qcom,spi-qpic-snand.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/qcom,spi-qpic-snand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm QPIC NAND controller + +maintainers: + - Md sadre Alam + +description: + The QCOM QPIC-SPI-NAND flash controller is an extended version of + the QCOM QPIC NAND flash controller. It can work both in serial + and parallel mode. It supports typical SPI-NAND page cache + operations in single, dual or quad IO mode with pipelined ECC + encoding/decoding using the QPIC ECC HW engine. + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +properties: + compatible: + enum: + - qcom,spi-qpic-snand + + reg: + maxItems: 1 + + clocks: + maxItems: 3 + + clock-names: + items: + - const: core + - const: aon + - const: iom + + dmas: + items: + - description: tx DMA channel + - description: rx DMA channel + - description: cmd DMA channel + + dma-names: + items: + - const: tx + - const: rx + - const: cmd + +required: + - compatible + - reg + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + spi@79b0000 { + compatible = "qcom,spi-qpic-snand"; + reg = <0x1ac00000 0x800>; + + clocks = <&gcc GCC_QPIC_CLK>, + <&gcc GCC_QPIC_AHB_CLK>, + <&gcc GCC_QPIC_IO_MACRO_CLK>; + clock-names = "core", "aon", "iom"; + + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "spi-nand"; + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + nand-ecc-engine = <&qpic_nand>; + nand-ecc-strength = <4>; + nand-ecc-step-size = <512>; + }; + };