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Message-ID: <ad9d8ef7-5b52-d27e-ac95-db07dc1d443c@collabora.com>
Date: Wed, 8 Jan 2020 13:50:38 -0300
From: Helen Koike <helen.koike@...labora.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-rockchip@...ts.infradead.org, mark.rutland@....com,
devicetree@...r.kernel.org, eddie.cai.linux@...il.com,
mchehab@...nel.org, heiko@...ech.de, gregkh@...uxfoundation.org,
andrey.konovalov@...aro.org, linux-kernel@...r.kernel.org,
tfiga@...omium.org, robh+dt@...nel.org, hans.verkuil@...co.com,
laurent.pinchart@...asonboard.com, joacim.zetterling@...il.com,
kernel@...labora.com, ezequiel@...labora.com,
linux-media@...r.kernel.org, jacob-chen@...wrt.com,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v12 08/11] media: staging: dt-bindings: add Rockchip ISP1
yaml bindings
Hi,
Thank you for your review.
On 1/7/20 12:01 PM, Sakari Ailus wrote:
> Hi Helen,
>
> On Fri, Dec 27, 2019 at 05:01:13PM -0300, Helen Koike wrote:
>> Add yaml DT bindings for Rockchip ISP1.
>>
>> This was tested and verified with:
>> mv drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml Documentation/devicetree/bindings/media/
>> make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/media/rockchip-isp1.yaml
>> make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/media/rockchip-isp1.yaml
>>
>> Signed-off-by: Helen Koike <helen.koike@...labora.com>
>>
>> ---
>>
>> Changes in v12:
>> - The commit replaces the following commit in previous series named
>> media: staging: dt-bindings: Document the Rockchip ISP1 bindings
>> This new patch adds yaml binding and was verified with
>> make dtbs_check and make dt_binding_check
>>
>> Changes in v11:
>> - add clock-names values
>>
>> Changes in v10:
>> - unsquash
>>
>> Changes in v9:
>> - squash
>> - move to staging
>>
>> Changes in v8:
>> - fix title division style
>>
>> Changes in v7:
>> - update document with new design and tested example
>>
>> .../bindings/media/rockchip-isp1.yaml | 193 ++++++++++++++++++
>> 1 file changed, 193 insertions(+)
>> create mode 100644 drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
>>
>> diff --git a/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml b/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
>> new file mode 100644
>> index 000000000000..4d1b2c67a4cd
>> --- /dev/null
>> +++ b/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
>> @@ -0,0 +1,193 @@
>> +# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/media/rockchip-isp1.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Rockchip SoC Image Signal Processing unit v1
>> +
>> +maintainers:
>> + - Helen Koike <helen.koike@...labora.com>
>> +
>> +description: |
>> + Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs
>> + which contains image processing, scaling, and compression funcitons.
>
> "functions"
>
>> +
>> +properties:
>> + compatible:
>> + const: rockchip,rk3399-cif-isp
>> +
>> + reg:
>> + maxItems: 1
>> +
>> + interrupts:
>> + maxItems: 1
>> +
>> + iommus:
>> + maxItems: 1
>> +
>> + power-domains:
>> + maxItems: 1
>> +
>> + phys:
>> + maxItems: 1
>> + description: phandle for the PHY port
>> +
>> + phy-names:
>> + const: dphy
>> +
>> + clocks:
>> + items:
>> + - description: ISP clock
>> + - description: ISP aclk clock
>> + - description: ISP aclk wrapper clock
>> + - description: ISP hclk clock
>> + - description: ISP hclk wrapper clock
>> +
>> + clock-names:
>> + items:
>> + - const: clk_isp
>> + - const: aclk_isp
>> + - const: aclk_isp_wrap
>> + - const: hclk_isp
>> + - const: hclk_isp_wrap
>> +
>> + # See ./video-interfaces.txt for details
>> + ports:
>> + type: object
>> + additionalProperties: false
>> +
>> + properties:
>> + "#address-cells":
>> + const: 1
>> +
>> + "#size-cells":
>> + const: 0
>> +
>> + port@0:
>
> If you only have a single port node, you could drop reg as well as @0 on
> the port node.
After the discussions, we have a single port for now, but we might have port@1
for tx1rx1 in the future.
Helen
>
>> + type: object
>> + additionalProperties: false
>> +
>> + properties:
>> + "#address-cells":
>> + const: 1
>> +
>> + "#size-cells":
>> + const: 0
>> +
>> + reg:
>> + const: 0
>> + description: port identifier.
>> +
>> + patternProperties:
>> + endpoint:
>> + type: object
>> + additionalProperties: false
>> +
>> + properties:
>> + reg:
>> + maxItems: 1
>> + description: endpoint identifier.
>> +
>> + data-lanes:
>> + minItems: 1
>> + maxItems: 4
>> +
>> + remote-endpoint: true
>> +
>> + required:
>> + - port@0
>> +
>> +required:
>> + - compatible
>> + - interrupts
>> + - clocks
>> + - clock-names
>> + - power-domains
>> + - iommus
>> + - phys
>> + - phy-names
>> + - ports
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> +
>> + #include <dt-bindings/clock/rk3399-cru.h>
>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
>> + #include <dt-bindings/power/rk3399-power.h>
>> +
>> + parent0: parent@0 {
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> +
>> + isp0: isp0@...10000 {
>> + compatible = "rockchip,rk3399-cif-isp";
>> + reg = <0x0 0xff910000 0x0 0x4000>;
>> + interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH 0>;
>> + clocks = <&cru SCLK_ISP0>,
>> + <&cru ACLK_ISP0>, <&cru ACLK_ISP0_WRAPPER>,
>> + <&cru HCLK_ISP0>, <&cru HCLK_ISP0_WRAPPER>;
>> + clock-names = "clk_isp",
>> + "aclk_isp", "aclk_isp_wrap",
>> + "hclk_isp", "hclk_isp_wrap";
>> + power-domains = <&power RK3399_PD_ISP0>;
>> + iommus = <&isp0_mmu>;
>> + phys = <&dphy>;
>> + phy-names = "dphy";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <0>;
>> +
>> + mipi_in_wcam: endpoint@0 {
>> + reg = <0>;
>> + remote-endpoint = <&wcam_out>;
>> + data-lanes = <1 2>;
>> + };
>> +
>> + mipi_in_ucam: endpoint@1 {
>> + reg = <1>;
>> + remote-endpoint = <&ucam_out>;
>> + data-lanes = <1>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + i2c7: i2c@...60000 {
>> + clock-frequency = <400000>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + wcam: camera@36 {
>> + compatible = "ovti,ov5695";
>> + reg = <0x36>;
>> +
>> + port {
>> + wcam_out: endpoint {
>> + remote-endpoint = <&mipi_in_wcam>;
>> + data-lanes = <1 2>;
>> + };
>> + };
>> + };
>> +
>> + ucam: camera@3c {
>> + compatible = "ovti,ov2685";
>> + reg = <0x3c>;
>> +
>> + port {
>> + ucam_out: endpoint {
>> + remote-endpoint = <&mipi_in_ucam>;
>> + data-lanes = <1>;
>> + };
>> + };
>> + };
>> + };
>> + };
>
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