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Wed, 4 Dec 2024 15:03:31 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 437uskx4tt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 04 Dec 2024 15:03:31 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 4B4F3VnE025762; Wed, 4 Dec 2024 15:03:31 GMT Received: from hu-devc-hyd-u22-c.qualcomm.com ([10.213.97.252]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 4B4F3Vk6025753 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 04 Dec 2024 15:03:31 +0000 Received: by hu-devc-hyd-u22-c.qualcomm.com (Postfix, from userid 4047106) id B3679503; Wed, 4 Dec 2024 20:33:30 +0530 (+0530) From: Viken Dadhaniya To: andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, broonie@kernel.or, andersson@kernel.org, konradybcio@kernel.org, johan+linaro@kernel.org, dianders@chromium.org, agross@kernel.org, linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org Cc: =quic_msavaliy@quicinc.com, quic_anupkulk@quicinc.com, Viken Dadhaniya , Mukesh Kumar Savaliya Subject: [PATCH v1 1/7] dt-bindings: i2c: qcom,i2c-geni: Document DT properties for QUP firmware loading Date: Wed, 4 Dec 2024 20:33:20 +0530 Message-Id: <20241204150326.1470749-2-quic_vdadhani@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241204150326.1470749-1-quic_vdadhani@quicinc.com> References: <20241204150326.1470749-1-quic_vdadhani@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: m1NrKg0VaxRUraW892HVKkNi3Mx2B5vq X-Proofpoint-ORIG-GUID: m1NrKg0VaxRUraW892HVKkNi3Mx2B5vq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 clxscore=1011 malwarescore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 adultscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412040115 Document the 'qcom,load-firmware' and 'qcom,xfer-mode' properties to support SE(Serial Engine) firmware loading from the protocol driver and to select the data transfer mode, either GPI DMA (Generic Packet Interface) or non-GPI mode (PIO/CPU DMA). I2C controller can operate in one of two modes based on the 'qcom,xfer-mode' property, and the firmware is loaded accordingly. Co-developed-by: Mukesh Kumar Savaliya Signed-off-by: Mukesh Kumar Savaliya Signed-off-by: Viken Dadhaniya --- .../devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml index 9f66a3bb1f80..a26f34fce1bb 100644 --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml @@ -66,6 +66,15 @@ properties: required-opps: maxItems: 1 + qcom,load-firmware: + type: boolean + description: Optional property to load SE (serial engine) Firmware from protocol driver. + + qcom,xfer-mode: + description: Value 1,2 and 3 represents FIFO, CPU DMA and GSI DMA mode respectively. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3] + required: - compatible - interrupts @@ -142,5 +151,7 @@ examples: interconnect-names = "qup-core", "qup-config", "qup-memory"; power-domains = <&rpmhpd SC7180_CX>; required-opps = <&rpmhpd_opp_low_svs>; + qcom,load-firmware; + qcom,xfer-mode = <1>; }; ...