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Wed, 2 Oct 2024 06:34:30 -0400 (EDT) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Geert Uytterhoeven , Laurent Pinchart , linux-media@vger.kernel.org, devicetree@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= Subject: [PATCH v3 1/3] dt-bindings: media: renesas,isp: Add Gen4 family fallback Date: Wed, 2 Oct 2024 12:33:16 +0200 Message-ID: <20241002103318.24289-2-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> References: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The ISP Channel Selector IP is the same for all current Gen4 devices. This was not known when adding support for V3U and V4H and a single SoC specific compatible was used. Before adding more SoC specific bindings for V4M add a family compatible fallback for Gen4. That way the driver only needs to be updated once for Gen4, and we still have the option to fix any problems in the driver if any testable differences between the SoCs are found. There are already DTS files using the V3U and V4H compatibles which needs to be updated to not produce a warning for DTS checks. The driver also needs to kept the compatible values to be backward compatible , but for new Gen4 SoCs such as V4M we can avoid this. Signed-off-by: Niklas Söderlund Reviewed-by: Geert Uytterhoeven --- * Changes since v1 - New in v2. --- Documentation/devicetree/bindings/media/renesas,isp.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/renesas,isp.yaml b/Documentation/devicetree/bindings/media/renesas,isp.yaml index 33650a1ea034..730c86f2d7b1 100644 --- a/Documentation/devicetree/bindings/media/renesas,isp.yaml +++ b/Documentation/devicetree/bindings/media/renesas,isp.yaml @@ -22,6 +22,7 @@ properties: - enum: - renesas,r8a779a0-isp # V3U - renesas,r8a779g0-isp # V4H + - const: renesas,rcar-gen4-isp # Generic R-Car Gen4 reg: maxItems: 1 @@ -116,7 +117,7 @@ examples: #include isp1: isp@fed20000 { - compatible = "renesas,r8a779a0-isp"; + compatible = "renesas,r8a779a0-isp", "renesas,rcar-gen4-isp"; reg = <0xfed20000 0x10000>; interrupts = ; clocks = <&cpg CPG_MOD 613>; From patchwork Wed Oct 2 10:33:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 832303 Received: from fhigh-a6-smtp.messagingengine.com (fhigh-a6-smtp.messagingengine.com [103.168.172.157]) (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 C7FFE1E7640; 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Wed, 2 Oct 2024 06:34:32 -0400 (EDT) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Geert Uytterhoeven , Laurent Pinchart , linux-media@vger.kernel.org, devicetree@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= , Laurent Pinchart Subject: [PATCH v3 2/3] media: rcar-isp: Add family compatible for R-Car Gen4 family Date: Wed, 2 Oct 2024 12:33:17 +0200 Message-ID: <20241002103318.24289-3-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> References: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add the Gen4 family compatible. This will be used instead of a SoC specific compatible for the new Gen4 SoC V4M. Two Gen4 boards (V3U and V4H) have already been added prior and their bindings need to be kept for backward compatibility. Signed-off-by: Niklas Söderlund Reviewed-by: Laurent Pinchart Reviewed-by: Geert Uytterhoeven --- * Changes since v2 - Drop comma after sentinel. - Rewrite comment about compatibility with old DTB files. * Changes since v1 - Reworked to add a family compatible instead of V4M specific one. --- drivers/media/platform/renesas/rcar-isp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/renesas/rcar-isp.c b/drivers/media/platform/renesas/rcar-isp.c index 4512ac338ca5..acc30bcb13ef 100644 --- a/drivers/media/platform/renesas/rcar-isp.c +++ b/drivers/media/platform/renesas/rcar-isp.c @@ -431,7 +431,9 @@ static int risp_probe_resources(struct rcar_isp *isp, static const struct of_device_id risp_of_id_table[] = { { .compatible = "renesas,r8a779a0-isp" }, { .compatible = "renesas,r8a779g0-isp" }, - { /* sentinel */ }, + /* Keep above for compatibility with old DTB files. */ + { .compatible = "renesas,rcar-gen4-isp" }, + { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, risp_of_id_table); 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Wed, 2 Oct 2024 06:34:34 -0400 (EDT) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Geert Uytterhoeven , Laurent Pinchart , linux-media@vger.kernel.org, devicetree@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= , Laurent Pinchart , Krzysztof Kozlowski Subject: [PATCH v3 3/3] dt-bindings: media: renesas,isp: Add binding for V4M Date: Wed, 2 Oct 2024 12:33:18 +0200 Message-ID: <20241002103318.24289-4-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> References: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Document support for the ISP module in the Renesas V4M (r8a779h0) SoC. This device is compatible with the CSISP module on the other Gen4 SoCs. Signed-off-by: Niklas Söderlund Reviewed-by: Laurent Pinchart Reviewed-by: Geert Uytterhoeven Acked-by: Krzysztof Kozlowski --- * Changes since v1 - Add to commit message that V4M is compatible with other Gen4 SoCs. --- Documentation/devicetree/bindings/media/renesas,isp.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/media/renesas,isp.yaml b/Documentation/devicetree/bindings/media/renesas,isp.yaml index 730c86f2d7b1..c4de4555b753 100644 --- a/Documentation/devicetree/bindings/media/renesas,isp.yaml +++ b/Documentation/devicetree/bindings/media/renesas,isp.yaml @@ -22,6 +22,7 @@ properties: - enum: - renesas,r8a779a0-isp # V3U - renesas,r8a779g0-isp # V4H + - renesas,r8a779h0-isp # V4M - const: renesas,rcar-gen4-isp # Generic R-Car Gen4 reg: maxItems: 1