linux-kernel - [PATCH v3 1/4] dt-bindings: media: Add bindings for Imagination E5010 JPEG Encoder driver

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Message-ID: <20230816152210.4080779-2-devarsht@ti.com>
Date:   Wed, 16 Aug 2023 20:52:07 +0530
From:   Devarsh Thakkar <devarsht@...com>
To:     <mchehab@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <hverkuil-cisco@...all.nl>, <linux-media@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <laurent.pinchart@...asonboard.com>, <eugen.hristev@...labora.com>,
        <ezequiel@...guardiasur.com.ar>, <u.kleine-koenig@...gutronix.de>,
        <sakari.ailus@...ux.intel.com>, <praneeth@...com>, <nm@...com>,
        <vigneshr@...com>, <a-bhatia1@...com>, <j-luthra@...com>,
        <b-brnich@...com>, <detheridge@...com>, <p-mantena@...com>,
        <vijayp@...com>, <devarsht@...com>
Subject: [PATCH v3 1/4] dt-bindings: media: Add bindings for Imagination E5010 JPEG Encoder driver

Add dt-bindings for Imagination E5010 JPEG Encoder driver which is
implemented as stateful V4L2 M2M driver.

Co-developed-by: David Huang <d-huang@...com>
Signed-off-by: David Huang <d-huang@...com>
Signed-off-by: Devarsh Thakkar <devarsht@...com>
---
V2: No change
V3: 
- Add vendor specific compatible 
- Fix commit title and message
- Update reg names
- Update clocks to 1
- Fix dts example with proper naming

 .../bindings/media/img,e5010-jpeg-enc.yaml    | 81 +++++++++++++++++++
 MAINTAINERS                                   |  5 ++
 2 files changed, 86 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml

diff --git a/Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml b/Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
new file mode 100644
index 000000000000..d105a71ee2ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/img,e5010-jpeg-enc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Imagination E5010 JPEG Encoder
+
+maintainers:
+  - Devarsh Thakkar <devarsht@...com>
+
+description: |
+  The E5010 is a JPEG encoder from Imagination Technologies implemented on
+  TI's AM62A SoC. It is capable of real time encoding of YUV420 and YUV422
+  inputs to JPEG and M-JPEG. It supports baseline JPEG Encoding up to
+  8Kx8K resolution.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: ti,e5010-jpeg-enc
+          - const: img,e5010-jpeg-enc
+      - const: img,e5010-jpeg-enc
+
+  reg:
+    items:
+      - description: The E5010 core register region
+      - description: The E5010 mmu register region
+
+  reg-names:
+    items:
+      - const: core
+      - const: mmu
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: core_clk
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/soc/ti,sci_pm_domain.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+      jpeg-encoder@...0000 {
+          compatible = "img,e5010-jpeg-enc";
+          reg = <0x00 0xfd20000 0x00 0x100>,
+                <0x00 0xfd20200 0x00 0x200>;
+          reg-names = "core", "mmu";
+          clocks = <&k3_clks 201 0>;
+          clock-names = "core_clk";
+          power-domains = <&k3_pds 201 TI_SCI_PD_EXCLUSIVE>;
+          interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index d8700b009e22..9425ecf45df6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10206,6 +10206,11 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml
 F:	drivers/auxdisplay/img-ascii-lcd.c
 
+IMGTEC JPEG ENCODER DRIVER
+M:	Devarsh Thakkar <devarsht@...com>
+S:	Supported
+F:	Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
+
 IMGTEC IR DECODER DRIVER
 S:	Orphan
 F:	drivers/media/rc/img-ir/
-- 
2.34.1