2021-01-21 22:14:14

by Robert Foss

[permalink] [raw]
Subject: [PATCH v2 14/22] dt-bindings: media: camss: Add qcom,msm8996-camss binding

Add bindings for qcom,msm8996-camss in order to support the camera
subsystem on MSM8996.

Signed-off-by: Robert Foss <[email protected]>
---

Changes since v1:
- Laurent: Reworked driver to use dtschema


.../bindings/media/qcom,msm8996-camss.yaml | 418 ++++++++++++++++++
1 file changed, 418 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml

diff --git a/Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml b/Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml
new file mode 100644
index 000000000000..5ca0be8892ab
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml
@@ -0,0 +1,418 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/media/qcom,msm8996-camss.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm CAMSS ISP
+
+maintainers:
+ - Robert Foss <[email protected]>
+ - Todor Tomov <[email protected]>
+
+description: |
+ The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms
+
+properties:
+ compatible:
+ const: qcom,msm8996-camss
+
+ clocks:
+ description:
+ Input clocks for the hardware block.
+ minItems: 36
+ maxItems: 36
+
+ clock-names:
+ description:
+ Names of input clocks for the hardware block.
+ items:
+ - const: top_ahb
+ - const: ispif_ahb
+ - const: csiphy0_timer
+ - const: csiphy1_timer
+ - const: csiphy2_timer
+ - const: csi0_ahb
+ - const: csi0
+ - const: csi0_phy
+ - const: csi0_pix
+ - const: csi0_rdi
+ - const: csi1_ahb
+ - const: csi1
+ - const: csi1_phy
+ - const: csi1_pix
+ - const: csi1_rdi
+ - const: csi2_ahb
+ - const: csi2
+ - const: csi2_phy
+ - const: csi2_pix
+ - const: csi2_rdi
+ - const: csi3_ahb
+ - const: csi3
+ - const: csi3_phy
+ - const: csi3_pix
+ - const: csi3_rdi
+ - const: ahb
+ - const: vfe0
+ - const: csi_vfe0
+ - const: vfe0_ahb
+ - const: vfe0_stream
+ - const: vfe1
+ - const: csi_vfe1
+ - const: vfe1_ahb
+ - const: vfe1_stream
+ - const: vfe_ahb
+ - const: vfe_axi
+
+ interrupts:
+ description:
+ IRQs for the hardware block.
+ minItems: 10
+ maxItems: 10
+
+ interrupt-names:
+ description:
+ Names of IRQs for the hardware block.
+ items:
+ - const: csiphy0
+ - const: csiphy1
+ - const: csiphy2
+ - const: csid0
+ - const: csid1
+ - const: csid2
+ - const: csid3
+ - const: ispif
+ - const: vfe0
+ - const: vfe1
+
+ iommus:
+ maxItems: 4
+
+ power-domains:
+ maxItems: 2
+
+ ports:
+ description:
+ The CSI data input ports.
+
+ type: object
+
+ properties:
+ port@0:
+ type: object
+ description: Input node for receiving CSI data.
+ properties:
+ endpoint:
+ type: object
+
+ properties:
+ clock-lanes:
+ description: |-
+ The physical clock lane index. The value must
+ always be <7> as the hardware supports D-PHY
+ and C-PHY, indexes are in a common set and
+ D-PHY physical clock lane is labeled as 7.
+
+ data-lanes:
+ description: |-
+ An array of physical data lanes indexes.
+ Position of an entry determines the logical
+ lane number, while the value of an entry
+ indicates physical lane index. Lane swapping
+ is supported. Physical lane indexes are:
+ 0, 1, 2, 3
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ required:
+ - endpoint
+ - reg
+
+ port@1:
+ type: object
+ description: Input node for receiving CSI data.
+ properties:
+ endpoint:
+ type: object
+
+ properties:
+ clock-lanes:
+ description: |-
+ The physical clock lane index. The value must
+ always be <7> as the hardware supports D-PHY
+ and C-PHY, indexes are in a common set and
+ D-PHY physical clock lane is labeled as 7.
+
+ data-lanes:
+ description: |-
+ An array of physical data lanes indexes.
+ Position of an entry determines the logical
+ lane number, while the value of an entry
+ indicates physical lane index. Lane swapping
+ is supported. Physical lane indexes are:
+ 0, 1, 2, 3
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ required:
+ - endpoint
+ - reg
+
+ port@2:
+ type: object
+ description: Input node for receiving CSI data.
+ properties:
+ endpoint:
+ type: object
+
+ properties:
+ clock-lanes:
+ description: |-
+ The physical clock lane index. The value must
+ always be <7> as the hardware supports D-PHY
+ and C-PHY, indexes are in a common set and
+ D-PHY physical clock lane is labeled as 7.
+
+ data-lanes:
+ description: |-
+ An array of physical data lanes indexes.
+ Position of an entry determines the logical
+ lane number, while the value of an entry
+ indicates physical lane index. Lane swapping
+ is supported. Physical lane indexes are:
+ 0, 1, 2, 3
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ required:
+ - endpoint
+ - reg
+
+ port@3:
+ type: object
+ description: Input node for receiving CSI data.
+ properties:
+ endpoint:
+ type: object
+
+ properties:
+ clock-lanes:
+ description: |-
+ The physical clock lane index. The value must
+ always be <7> as the hardware supports D-PHY
+ and C-PHY, indexes are in a common set and
+ D-PHY physical clock lane is labeled as 7.
+
+ data-lanes:
+ description: |-
+ An array of physical data lanes indexes.
+ Position of an entry determines the logical
+ lane number, while the value of an entry
+ indicates physical lane index. Lane swapping
+ is supported. Physical lane indexes are:
+ 0, 1, 2, 3
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ required:
+ - endpoint
+ - reg
+
+ reg:
+ minItems: 14
+ maxItems: 14
+
+ reg-names:
+ items:
+ - const: csiphy0
+ - const: csiphy0_clk_mux
+ - const: csiphy1
+ - const: csiphy1_clk_mux
+ - const: csiphy2
+ - const: csiphy2_clk_mux
+ - const: csid0
+ - const: csid1
+ - const: csid2
+ - const: csid3
+ - const: ispif
+ - const: csi_clk_mux
+ - const: vfe0
+ - const: vfe1
+
+ vdda-supply:
+ description:
+ Definition of the regulator used as analog power supply.
+
+required:
+ - clock-names
+ - clocks
+ - compatible
+ - interrupt-names
+ - interrupts
+ - iommus
+ - power-domains
+ - reg
+ - reg-names
+ - vdda-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/qcom,gcc-msm8996.h>
+ #include <dt-bindings/clock/qcom,mmcc-msm8996.h>
+
+ camss: camss@a00000 {
+ compatible = "qcom,msm8996-camss";
+
+ clocks = <&mmcc CAMSS_TOP_AHB_CLK>,
+ <&mmcc CAMSS_ISPIF_AHB_CLK>,
+ <&mmcc CAMSS_CSI0PHYTIMER_CLK>,
+ <&mmcc CAMSS_CSI1PHYTIMER_CLK>,
+ <&mmcc CAMSS_CSI2PHYTIMER_CLK>,
+ <&mmcc CAMSS_CSI0_AHB_CLK>,
+ <&mmcc CAMSS_CSI0_CLK>,
+ <&mmcc CAMSS_CSI0PHY_CLK>,
+ <&mmcc CAMSS_CSI0PIX_CLK>,
+ <&mmcc CAMSS_CSI0RDI_CLK>,
+ <&mmcc CAMSS_CSI1_AHB_CLK>,
+ <&mmcc CAMSS_CSI1_CLK>,
+ <&mmcc CAMSS_CSI1PHY_CLK>,
+ <&mmcc CAMSS_CSI1PIX_CLK>,
+ <&mmcc CAMSS_CSI1RDI_CLK>,
+ <&mmcc CAMSS_CSI2_AHB_CLK>,
+ <&mmcc CAMSS_CSI2_CLK>,
+ <&mmcc CAMSS_CSI2PHY_CLK>,
+ <&mmcc CAMSS_CSI2PIX_CLK>,
+ <&mmcc CAMSS_CSI2RDI_CLK>,
+ <&mmcc CAMSS_CSI3_AHB_CLK>,
+ <&mmcc CAMSS_CSI3_CLK>,
+ <&mmcc CAMSS_CSI3PHY_CLK>,
+ <&mmcc CAMSS_CSI3PIX_CLK>,
+ <&mmcc CAMSS_CSI3RDI_CLK>,
+ <&mmcc CAMSS_AHB_CLK>,
+ <&mmcc CAMSS_VFE0_CLK>,
+ <&mmcc CAMSS_CSI_VFE0_CLK>,
+ <&mmcc CAMSS_VFE0_AHB_CLK>,
+ <&mmcc CAMSS_VFE0_STREAM_CLK>,
+ <&mmcc CAMSS_VFE1_CLK>,
+ <&mmcc CAMSS_CSI_VFE1_CLK>,
+ <&mmcc CAMSS_VFE1_AHB_CLK>,
+ <&mmcc CAMSS_VFE1_STREAM_CLK>,
+ <&mmcc CAMSS_VFE_AHB_CLK>,
+ <&mmcc CAMSS_VFE_AXI_CLK>;
+
+ clock-names = "top_ahb",
+ "ispif_ahb",
+ "csiphy0_timer",
+ "csiphy1_timer",
+ "csiphy2_timer",
+ "csi0_ahb",
+ "csi0",
+ "csi0_phy",
+ "csi0_pix",
+ "csi0_rdi",
+ "csi1_ahb",
+ "csi1",
+ "csi1_phy",
+ "csi1_pix",
+ "csi1_rdi",
+ "csi2_ahb",
+ "csi2",
+ "csi2_phy",
+ "csi2_pix",
+ "csi2_rdi",
+ "csi3_ahb",
+ "csi3",
+ "csi3_phy",
+ "csi3_pix",
+ "csi3_rdi",
+ "ahb",
+ "vfe0",
+ "csi_vfe0",
+ "vfe0_ahb",
+ "vfe0_stream",
+ "vfe1",
+ "csi_vfe1",
+ "vfe1_ahb",
+ "vfe1_stream",
+ "vfe_ahb",
+ "vfe_axi";
+
+ interrupts = <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 79 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 80 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 297 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 298 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 299 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 309 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 314 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 315 IRQ_TYPE_EDGE_RISING>;
+
+ interrupt-names = "csiphy0",
+ "csiphy1",
+ "csiphy2",
+ "csid0",
+ "csid1",
+ "csid2",
+ "csid3",
+ "ispif",
+ "vfe0",
+ "vfe1";
+
+ iommus = <&vfe_smmu 0>,
+ <&vfe_smmu 1>,
+ <&vfe_smmu 2>,
+ <&vfe_smmu 3>;
+
+ power-domains = <&mmcc VFE0_GDSC>,
+ <&mmcc VFE1_GDSC>;
+
+ reg = <0x00a34000 0x1000>,
+ <0x00a00030 0x4>,
+ <0x00a35000 0x1000>,
+ <0x00a00038 0x4>,
+ <0x00a36000 0x1000>,
+ <0x00a00040 0x4>,
+ <0x00a30000 0x100>,
+ <0x00a30400 0x100>,
+ <0x00a30800 0x100>,
+ <0x00a30c00 0x100>,
+ <0x00a31000 0x500>,
+ <0x00a00020 0x10>,
+ <0x00a10000 0x1000>,
+ <0x00a14000 0x1000>;
+
+ reg-names = "csiphy0",
+ "csiphy0_clk_mux",
+ "csiphy1",
+ "csiphy1_clk_mux",
+ "csiphy2",
+ "csiphy2_clk_mux",
+ "csid0",
+ "csid1",
+ "csid2",
+ "csid3",
+ "ispif",
+ "csi_clk_mux",
+ "vfe0",
+ "vfe1";
+
+ vdda-supply = <&reg_2v8>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
\ No newline at end of file
--
2.27.0


2021-01-22 16:48:31

by Rob Herring (Arm)

[permalink] [raw]
Subject: Re: [PATCH v2 14/22] dt-bindings: media: camss: Add qcom,msm8996-camss binding

On Wed, Jan 20, 2021 at 02:43:49PM +0100, Robert Foss wrote:
> Add bindings for qcom,msm8996-camss in order to support the camera
> subsystem on MSM8996.
>
> Signed-off-by: Robert Foss <[email protected]>
> ---
>
> Changes since v1:
> - Laurent: Reworked driver to use dtschema
>
>
> .../bindings/media/qcom,msm8996-camss.yaml | 418 ++++++++++++++++++
> 1 file changed, 418 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml b/Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml
> new file mode 100644
> index 000000000000..5ca0be8892ab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,msm8996-camss.yaml
> @@ -0,0 +1,418 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/media/qcom,msm8996-camss.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Qualcomm CAMSS ISP
> +
> +maintainers:
> + - Robert Foss <[email protected]>
> + - Todor Tomov <[email protected]>
> +
> +description: |
> + The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms
> +
> +properties:
> + compatible:
> + const: qcom,msm8996-camss
> +
> + clocks:
> + description:
> + Input clocks for the hardware block.

That's every 'clocks' entry. Drop.

> + minItems: 36
> + maxItems: 36
> +
> + clock-names:
> + description:
> + Names of input clocks for the hardware block.

ditto.

> + items:
> + - const: top_ahb
> + - const: ispif_ahb
> + - const: csiphy0_timer
> + - const: csiphy1_timer
> + - const: csiphy2_timer
> + - const: csi0_ahb
> + - const: csi0
> + - const: csi0_phy
> + - const: csi0_pix
> + - const: csi0_rdi
> + - const: csi1_ahb
> + - const: csi1
> + - const: csi1_phy
> + - const: csi1_pix
> + - const: csi1_rdi
> + - const: csi2_ahb
> + - const: csi2
> + - const: csi2_phy
> + - const: csi2_pix
> + - const: csi2_rdi
> + - const: csi3_ahb
> + - const: csi3
> + - const: csi3_phy
> + - const: csi3_pix
> + - const: csi3_rdi
> + - const: ahb
> + - const: vfe0
> + - const: csi_vfe0
> + - const: vfe0_ahb
> + - const: vfe0_stream
> + - const: vfe1
> + - const: csi_vfe1
> + - const: vfe1_ahb
> + - const: vfe1_stream
> + - const: vfe_ahb
> + - const: vfe_axi
> +
> + interrupts:
> + description:
> + IRQs for the hardware block.

ditto

> + minItems: 10
> + maxItems: 10
> +
> + interrupt-names:
> + description:
> + Names of IRQs for the hardware block.
> + items:
> + - const: csiphy0
> + - const: csiphy1
> + - const: csiphy2
> + - const: csid0
> + - const: csid1
> + - const: csid2
> + - const: csid3
> + - const: ispif
> + - const: vfe0
> + - const: vfe1
> +
> + iommus:
> + maxItems: 4
> +
> + power-domains:
> + maxItems: 2

Need to define what each one is.

items:
- description: ...
- description: ...

> +
> + ports:

This needs to reference graph.yaml#/properties/ports

See recent additions in -next.

> + description:
> + The CSI data input ports.
> +
> + type: object
> +
> + properties:
> + port@0:

There's a pending video-interfaces.yaml conversion which this is going
to need to use[1].

> + type: object
> + description: Input node for receiving CSI data.
> + properties:
> + endpoint:
> + type: object
> +
> + properties:
> + clock-lanes:
> + description: |-
> + The physical clock lane index. The value must
> + always be <7> as the hardware supports D-PHY
> + and C-PHY, indexes are in a common set and
> + D-PHY physical clock lane is labeled as 7.

You don't need this in DT if it can only be 1 value.

> +
> + data-lanes:
> + description: |-
> + An array of physical data lanes indexes.
> + Position of an entry determines the logical
> + lane number, while the value of an entry
> + indicates physical lane index. Lane swapping
> + is supported. Physical lane indexes are:
> + 0, 1, 2, 3

No need to redescribe this here. Just any additional constraints.
'maxItems: 4' at least since the base allows 8.

Rob

[1] https://lore.kernel.org/linux-devicetree/[email protected]/