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Wed, 4 Nov 2020 18:32:24 +0100 From: Hugues Fruchet To: Alexandre Torgue , Mauro Carvalho Chehab , Hans Verkuil , Sakari Ailus , Rob Herring Subject: [PATCH v5 0/4] DCMI BT656 parallel bus mode support Date: Wed, 4 Nov 2020 18:32:08 +0100 Message-ID: <1604511132-4014-1-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG7NODE1.st.com (10.75.127.19) To SFHDAG1NODE1.st.com (10.75.127.1) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-11-04_12:2020-11-04, 2020-11-04 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201104_123239_126522_4B9BA857 X-CRM114-Status: GOOD ( 14.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Philippe CORNU , Yannick Fertre , Alain Volmat , Hugues Fruchet , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support of BT656 embedded synchronization bus. This mode allows to save hardware synchro lines hsync & vsync by replacing them with synchro codes embedded in data stream. Add "bus-type" property and make it required so that there is no ambiguity between parallel mode (bus-type=5) and BT656 mode (bus-type=6). =========== = history = =========== version 5: - Add revisited bindings and devicetree with explicit use of "bus-type" version 4: - Fix typo in commit message version 3: - Fix bus_width print to %u as per Sakari comment version 2: - As per Sakari remark, revisit commit message and document BT656 parallel bus mode in bindings version 1: - Initial submission Hugues Fruchet (4): media: stm32-dcmi: add support of BT656 bus media: dt-bindings: media: st,stm32-dcmi: add support of BT656 bus ARM: dts: stm32: set bus-type in DCMI endpoint for stm32mp157c-ev1 board ARM: dts: stm32: set bus-type in DCMI endpoint for stm32429i-eval board .../devicetree/bindings/media/st,stm32-dcmi.yaml | 38 ++++++++++++++++++++++ arch/arm/boot/dts/stm32429i-eval.dts | 1 + arch/arm/boot/dts/stm32mp157c-ev1.dts | 1 + drivers/media/platform/stm32/stm32-dcmi.c | 37 +++++++++++++++++++-- 4 files changed, 75 insertions(+), 2 deletions(-)