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Fri, 21 Oct 2022 19:26:25 +0900 (KST) Received: from cheetah.sa.corp.samsungelectronics.net (unknown [107.109.115.53]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20221021102623epsmtip112032568f9ef79388f276b8b1303d124~gDql0c6RI2573525735epsmtip1D; Fri, 21 Oct 2022 10:26:22 +0000 (GMT) From: Vivek Yadav To: rcsekar@samsung.com, wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, pankaj.dubey@samsung.com, ravi.patel@samsung.com, alim.akhtar@samsung.com Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Vivek Yadav Subject: [PATCH 2/7] dt-bindings: can: mcan: Add ECC functionality to message ram Date: Fri, 21 Oct 2022 15:28:28 +0530 Message-Id: <20221021095833.62406-3-vivek.2311@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221021095833.62406-1-vivek.2311@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuplk+LIzCtJLcpLzFFi42LZdlhTU3f1pKBkg7WfpC0ezNvGZjHnfAuL xdNjj9gtLmzrY7VY9X0qs8XlXXPYLNYvmsJicWyBmMW3028YLRZt/cJu8fDDHnaLWRd2sFr8 WniYxWLpvZ2sDnweW1beZPJYsKnU4+Ol24wem1Z1snn0/zXweL/vKptH35ZVjB6fN8kFcERl 22SkJqakFimk5iXnp2TmpdsqeQfHO8ebmhkY6hpaWpgrKeQl5qbaKrn4BOi6ZeYAXa2kUJaY UwoUCkgsLlbSt7Mpyi8tSVXIyC8usVVKLUjJKTAp0CtOzC0uzUvXy0stsTI0MDAyBSpMyM54 fGEza8E/zopJTw+wNTAu4uhi5OSQEDCR2HNmO0sXIxeHkMBuRomW35cZIZxPjBK7tx1ih3A+ M0rcWrGJCaZl7+vzzBCJXYwSXxpPsUI4rUwSq1asYAGpYhPQknjcuQDMFhG4yyhxbXFmFyMH B7NAtcSBI3wgYWGBYIkNZ48ygtgsAqoSvy7cBlvAK2AtsejTImaIZfISqzccALM5BWwkXs3f AnaehEAvh8SSs0fZQWZKCLhIrH+pBFEvLPHq+BZ2CFtK4mV/G5SdLLHjXycrhJ0hsWDiHkYI 217iwJU5LBCnaUqs36UPEZaVmHpqHdg5zAJ8Er2/n0D9ziuxYx6MrSLx4vMEVogLpCR6zwlD hD0kun9Nh4ZbP6PEqr2XGCcwys1C2LCAkXEVo2RqQXFuemqxaYFxXmo5PM6S83M3MYLTpZb3 DsZHDz7oHWJk4mA8xCjBwawkwmtRF5QsxJuSWFmVWpQfX1Sak1p8iNEUGHwTmaVEk/OBCTuv JN7QxNLAxMzMzMTS2MxQSZx38QytZCGB9MSS1OzU1ILUIpg+Jg5OqQYmtVqv0KnbSnsmvOKv PNwXJC28yPLj3oTmbT0nhWb4+3JISh1vWhxvtlizd1P5aRWhD963Nho8vWfy6YGzyifLgOSj bNH2pQmlKc51LPFX/u7m68nTn3Fxv/27xGx+/ntfrz9fLZbgd/buI6OMT5/dy6ya7ns/NAjK y1517radw4TXE0+bvHzKFTwrcV/i+YBLYTfKLh66yuZaev9BHu/xLMsLEepv37j7bA2sv7hh 29Si+BtS8r2pfTPUxZbHt77xzPyanF/1y6n+c8qXMxtMi/7FTSk9UVkjblTcd3JD6Y+DX8MX 1qaterMzrKfyqLfx2rVHvZJn3LE9fOds9rN9ld7L9zx+vvjdo6cSsbeElViKMxINtZiLihMB zn63fSAEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrGLMWRmVeSWpSXmKPExsWy7bCSnO7F4qBkg9MTmS0ezNvGZjHnfAuL xdNjj9gtLmzrY7VY9X0qs8XlXXPYLNYvmsJicWyBmMW3028YLRZt/cJu8fDDHnaLWRd2sFr8 WniYxWLpvZ2sDnweW1beZPJYsKnU4+Ol24wem1Z1snn0/zXweL/vKptH35ZVjB6fN8kFcERx 2aSk5mSWpRbp2yVwZTy+sJm14B9nxaSnB9gaGBdxdDFyckgImEjsfX2euYuRi0NIYAejxOUX n5ggElISU868ZIGwhSVW/nvODlHUzCTxrX83WBGbgJbE484FYEUiAi8ZJVrOsoHYzAL1Eu/O 3GQHsYUFAiXmTl/GCmKzCKhK/LpwG6yXV8BaYtGnRcwQC+QlVm84AGZzCthIvJq/hRHEFgKq WfboJvsERr4FjAyrGCVTC4pz03OLDQuM8lLL9YoTc4tL89L1kvNzNzGCg1pLawfjnlUf9A4x MnEwHmKU4GBWEuEteBeQLMSbklhZlVqUH19UmpNafIhRmoNFSZz3QtfJeCGB9MSS1OzU1ILU IpgsEwenVANTyuY3wZXXP02LEea33Pljvs0UFgWDn9fUvq4w3ml+ksNvQlpV5f6Nt05FFK0x P19tzRB+zJp1e+/8+uPq96NOSt99kuwTYZyaf51LSfANd+jaKR90XdwXqvnvc3tmEPLT7135 LKfZQcnLbKcutVXJLHveVrCYT+XfmymB6du9l7y6UZL+zWXe7dIpicc3edUWb3iylH1H82/D J3PKhH/E2OX9ebWinZmZSXlz4+0VE/lO+h2t38doEHOqg5nf1WVx9PXPeXJ7wwpnl1y/eCA8 8FRCQE6L19x3uiYf/+m7LreV+LfewMi7breJg6vB27RbcvOS7v2ebjhny1vtDSmWPZr5c1oK C3+GvI3/LbZTiaU4I9FQi7moOBEAUJeun9kCAAA= X-CMS-MailID: 20221021102625epcas5p4e1c5900b9425e41909e82072f2c1713d X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20221021102625epcas5p4e1c5900b9425e41909e82072f2c1713d References: <20221021095833.62406-1-vivek.2311@samsung.com> X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Whenever the data is transferred or stored on message ram, there are inherent risks of it being lost or corruption known as single-bit errors. ECC constantly scans data as it is processed to the message ram, using a method known as parity checking and raise the error signals for corruption. Add error correction code config property to enable/disable the error correction code (ECC) functionality for Message RAM used to create valid ECC checksums. Signed-off-by: Chandrasekar R Signed-off-by: Vivek Yadav --- Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml index 26aa0830eea1..0ba3691863d7 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml @@ -50,6 +50,10 @@ properties: - const: hclk - const: cclk + mram-ecc-cfg: + items: + - description: M_CAN ecc registers map with configuration register offset + bosch,mram-cfg: description: | Message RAM configuration data. -- 2.17.1