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[v3,4/7] media: dt-bindings: samsung,exynos4212-fimc-lite: convert to dtschema

Message ID 20230216142204.48394-5-krzysztof.kozlowski@linaro.org
State Accepted
Commit dce26f261c5bc61c62bf8121209bb134302b1844
Headers show
Series [v3,1/7] media: dt-bindings: i2c: samsung,s5k6a3: convert to dtschema | expand

Commit Message

Krzysztof Kozlowski Feb. 16, 2023, 2:22 p.m. UTC 
Convert the Samsung Exynos SoC series camera host interface (FIMC-LITE)
bindings to DT schema.  Changes during conversion - adjust to existing
DTS and Linux driver: add iommus and power-domains.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>

---

Changes since v2:
1. Add Rb tag.
---
 .../bindings/media/exynos-fimc-lite.txt       | 16 -----
 .../media/samsung,exynos4212-fimc-lite.yaml   | 63 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 3 files changed, 64 insertions(+), 16 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/media/exynos-fimc-lite.txt
 create mode 100644 Documentation/devicetree/bindings/media/samsung,exynos4212-fimc-lite.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt b/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt
deleted file mode 100644
index 0bf6fb7fbeab..000000000000
--- a/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt
+++ /dev/null
@@ -1,16 +0,0 @@ 
-Exynos4x12/Exynos5 SoC series camera host interface (FIMC-LITE)
-
-Required properties:
-
-- compatible	: should be one of:
-		  "samsung,exynos4212-fimc-lite" for Exynos4212/4412 SoCs,
-		  "samsung,exynos5250-fimc-lite" for Exynos5250 compatible
-		   devices;
-- reg		: physical base address and size of the device memory mapped
-		  registers;
-- interrupts	: should contain FIMC-LITE interrupt;
-- clocks	: FIMC LITE gate clock should be specified in this property.
-- clock-names	: should contain "flite" entry.
-
-Each FIMC device should have an alias in the aliases node, in the form of
-fimc-lite<n>, where <n> is an integer specifying the IP block instance.
diff --git a/Documentation/devicetree/bindings/media/samsung,exynos4212-fimc-lite.yaml b/Documentation/devicetree/bindings/media/samsung,exynos4212-fimc-lite.yaml
new file mode 100644
index 000000000000..f80eca0a4f41
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/samsung,exynos4212-fimc-lite.yaml
@@ -0,0 +1,63 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/samsung,exynos4212-fimc-lite.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos SoC series camera host interface (FIMC-LITE)
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+  - Sylwester Nawrocki <s.nawrocki@samsung.com>
+
+description:
+  Each FIMC device should have an alias in the aliases node, in the form of
+  fimc-lite<n>, where <n> is an integer specifying the IP block instance.
+
+properties:
+  compatible:
+    enum:
+      - samsung,exynos4212-fimc-lite
+      - samsung,exynos5250-fimc-lite
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: flite
+
+  interrupts:
+    maxItems: 1
+
+  iommus:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos4.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    fimc-lite@12390000 {
+        compatible = "samsung,exynos4212-fimc-lite";
+        reg = <0x12390000 0x1000>;
+        clocks = <&isp_clock CLK_ISP_FIMC_LITE0>;
+        clock-names = "flite";
+        interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
+        power-domains = <&pd_isp>;
+        iommus = <&sysmmu_fimc_lite0>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 0882e304c8f9..2789c436c875 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18466,6 +18466,7 @@  L:	linux-media@vger.kernel.org
 S:	Supported
 Q:	https://patchwork.linuxtv.org/project/linux-media/list/
 F:	Documentation/devicetree/bindings/media/samsung,exynos4210-csis.yaml
+F:	Documentation/devicetree/bindings/media/samsung,exynos4212-fimc-lite.yaml
 F:	drivers/media/platform/samsung/exynos4-is/
 
 SAMSUNG SOC CLOCK DRIVERS