[PATCH 02/20] dt-bindings: media: s5p-mfc: Convert s5p-mfc.txt to new DT schema

From: Smitha T Murthy <smitha.t@samsung.com>
To: linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Cc: m.szyprowski@samsung.com, andrzej.hajda@intel.com,
	mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
	ezequiel@vanguardiasur.com.ar, jernej.skrabec@gmail.com,
	benjamin.gaignard@collabora.com, stanimir.varbanov@linaro.org,
	dillon.minfei@gmail.com, david.plowman@raspberrypi.com,
	mark.rutland@arm.com, robh+dt@kernel.org, krzk+dt@kernel.org,
	andi@etezian.org, alim.akhtar@samsung.com,
	aswani.reddy@samsung.com, pankaj.dubey@samsung.com,
	Smitha T Murthy <smitha.t@samsung.com>,
	linux-fsd@tesla.com
Subject: [PATCH 02/20] dt-bindings: media: s5p-mfc: Convert s5p-mfc.txt to new DT schema
Date: Tue, 17 May 2022 18:25:30 +0530	[thread overview]
Message-ID: <20220517125548.14746-3-smitha.t@samsung.com> (raw)
In-Reply-To: <20220517125548.14746-1-smitha.t@samsung.com>

Adds DT schema for s5p-mfc in yaml format.

Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
---
 .../devicetree/bindings/media/s5p-mfc.txt     | 77 +--------------
 .../devicetree/bindings/media/s5p-mfc.yaml    | 98 +++++++++++++++++++
 2 files changed, 99 insertions(+), 76 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/media/s5p-mfc.yaml

diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt
index aa54c8159d9f..f00241ed407f 100644
--- a/Documentation/devicetree/bindings/media/s5p-mfc.txt
+++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt
@@ -1,76 +1 @@
-* Samsung Multi Format Codec (MFC)
-
-Multi Format Codec (MFC) is the IP present in Samsung SoCs which
-supports high resolution decoding and encoding functionalities.
-The MFC device driver is a v4l2 driver which can encode/decode
-video raw/elementary streams and has support for all popular
-video codecs.
-
-Required properties:
-  - compatible : value should be either one among the following
-	(a) "samsung,mfc-v5" for MFC v5 present in Exynos4 SoCs
-	(b) "samsung,mfc-v6" for MFC v6 present in Exynos5 SoCs
-	(c) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC
-	(d) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC
-	(e) "samsung,exynos5433-mfc" for MFC v8 present in Exynos5433 SoC
-	(f) "samsung,mfc-v10" for MFC v10 present in Exynos7880 SoC
-
-  - reg : Physical base address of the IP registers and length of memory
-	  mapped region.
-
-  - interrupts : MFC interrupt number to the CPU.
-  - clocks : from common clock binding: handle to mfc clock.
-  - clock-names : from common clock binding: must contain "mfc",
-		  corresponding to entry in the clocks property.
-
-Optional properties:
-  - power-domains : power-domain property defined with a phandle
-			   to respective power domain.
-  - memory-region : from reserved memory binding: phandles to two reserved
-	memory regions, first is for "left" mfc memory bus interfaces,
-	second if for the "right" mfc memory bus, used when no SYSMMU
-	support is available; used only by MFC v5 present in Exynos4 SoCs
-
-Obsolete properties:
-  - samsung,mfc-r, samsung,mfc-l : support removed, please use memory-region
-	property instead
-
-
-Example:
-SoC specific DT entry:
-
-mfc: codec@13400000 {
-	compatible = "samsung,mfc-v5";
-	reg = <0x13400000 0x10000>;
-	interrupts = <0 94 0>;
-	power-domains = <&pd_mfc>;
-	clocks = <&clock 273>;
-	clock-names = "mfc";
-};
-
-Reserved memory specific DT entry for given board (see reserved memory binding
-for more information):
-
-reserved-memory {
-	#address-cells = <1>;
-	#size-cells = <1>;
-	ranges;
-
-	mfc_left: region@51000000 {
-		compatible = "shared-dma-pool";
-		no-map;
-		reg = <0x51000000 0x800000>;
-	};
-
-	mfc_right: region@43000000 {
-		compatible = "shared-dma-pool";
-		no-map;
-		reg = <0x43000000 0x800000>;
-	};
-};
-
-Board specific DT entry:
-
-codec@13400000 {
-	memory-region = <&mfc_left>, <&mfc_right>;
-};
+This file has moved to s5p-mfc.yaml
diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.yaml b/Documentation/devicetree/bindings/media/s5p-mfc.yaml
new file mode 100644
index 000000000000..fff7c7e0d575
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/s5p-mfc.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/s5p-mfc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos Multi Format Codec (MFC)
+
+maintainers:
+  - Mauro Carvalho Chehab <mchehab@kernel.org>
+  - Rob Herring <robh+dt@kernel.org>
+  - Mark Rutland <mark.rutland@arm.com>
+  - Smitha T Murthy <smitha.t@samsung.com>
+
+properties:
+  compatible:
+    enum:
+      - samsung,mfc-v5                  # Exynos4
+      - samsung,mfc-v6                  # Exynos5
+      - samsung,mfc-v7                  # Exynos5420
+      - samsung,mfc-v8                  # Exynos5800
+      - samsung,exynos5433-mfc          # Exynos5433
+      - samsung,mfc-v10                 # Exynos7880
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description:
+      Phandle to MFC IP clock.
+    maxItems: 1
+
+  clock-names:
+    description:
+      Must contain clock name (mfc) matching phandle in clocks
+      property.
+    maxItems: 1
+
+  interrupts:
+    description:
+      MFC interrupt number to the CPU.
+    maxItems: 1
+
+  memory-region:
+    description:
+      From reserved memory binding phandles to two reserved
+      memory regions, first is for "left" mfc memory bus interfaces,
+      second if for the "right" mfc memory bus, used when no SYSMMU
+      support is available; used only by MFC v5 present in Exynos4 SoCs.
+    minItems: 1
+    maxItems: 2
+
+  iommus:
+    description:
+      Include the IOMMU domain MFC belong to.
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+  - iommus
+
+additionalProperties: false
+
+examples:
+  - |
+        /* Reserved memory specific DT entry for given board */
+        reserved-memory {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                mfc_left: region@84000000 {
+                        compatible = "shared-dma-pool";
+                        no-map;
+                        reg = <0x84000000 0x800000>;
+                };
+
+                mfc_right: region@A9000000 {
+                        compatible = "shared-dma-pool";
+                        no-map;
+                        reg = <0xA9000000 0x800000>;
+                };
+        };
+
+        mfc_0: mfc0@12880000 {
+                compatible = "samsung,mfc-v12";
+                reg = <0x12880000 0x10000>;
+                clock-names = "mfc";
+                interrupts = <0 137 4>;
+                clocks = <&clock_mfc 1>;
+                memory-region = <&mfc_left>, <&mfc_right>;
+                /* If IOMMU is present use below instead of memory-region property */
+                iommus = <&smmu_isp 0x1000 0x0>, <&smmu_isp 0x1400 0x0>;
+        };
-- 
2.17.1

