Re: [PATCH 07/13] dt-bindings: media: camss: Add qcom,sm8550-camss binding

From: Vladimir Zapolskiy
Date: Wed Jul 31 2024 - 20:05:44 EST


On 7/9/24 19:06, Depeng Shao wrote:
Add bindings for qcom,sm8550-camss in order to support the camera
subsystem for sm8550

Co-developed-by: Yongsheng Li <quic_yon@xxxxxxxxxxx>
Signed-off-by: Yongsheng Li <quic_yon@xxxxxxxxxxx>
Signed-off-by: Depeng Shao <quic_depengs@xxxxxxxxxxx>
---
.../bindings/media/qcom,sm8550-camss.yaml | 545 ++++++++++++++++++
1 file changed, 545 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml

diff --git a/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml
new file mode 100644
index 000000000000..d002b0ff119e
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml
@@ -0,0 +1,545 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/qcom,sm8550-camss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SM8550 Camera Subsystem (CAMSS)
+
+maintainers:
+ - Depeng Shao <quic_depengs@xxxxxxxxxxx>
+
+description: |
+ The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms.
+
+properties:
+ compatible:
+ const: qcom,sm8550-camss
+
+ clocks:
+ minItems: 47
+ maxItems: 47
+
+ clock-names:
+ items:
+ - const: cam_ahb_clk
+ - const: cam_hf_axi
+ - const: cam_sf_axi
+ - const: camnoc_axi
+ - const: camnoc_axi_src
+ - const: core_ahb
+ - const: cpas_ahb
+ - const: slow_ahb_src
+ - const: csiphy0
+ - const: csiphy0_timer
+ - const: csiphy1
+ - const: csiphy1_timer
+ - const: csiphy2
+ - const: csiphy2_timer
+ - const: csiphy3
+ - const: csiphy3_timer
+ - const: csiphy4
+ - const: csiphy4_timer
+ - const: csiphy5
+ - const: csiphy5_timer
+ - const: csiphy6
+ - const: csiphy6_timer
+ - const: csiphy7
+ - const: csiphy7_timer
+ - const: csid_src
+ - const: csid
+ - const: csiphy_rx
+ - const: vfe0_fast_ahb
+ - const: vfe0_src
+ - const: vfe0
+ - const: cpas_vfe0
+ - const: vfe1_fast_ahb
+ - const: vfe1_src
+ - const: vfe1
+ - const: cpas_vfe2
+ - const: vfe2_fast_ahb
+ - const: vfe2_src
+ - const: vfe2
+ - const: cpas_vfe1
+ - const: vfe_lite_ahb
+ - const: vfe_lite_csid_src
+ - const: vfe_lite
+ - const: vfe_lite_cphy_rx
+ - const: vfe_lite_csid
+ - const: cpas_ife_lite
+ - const: cpas_fast_ahb_clk
+ - const: fast_ahb_src

I believe most of *_src clocks should be removed from the list above as
parent clocks with no need for own separate management.

+
+ interrupts:
+ minItems: 18
+ maxItems: 18
+
+ interrupt-names:
+ items:
+ - const: csiphy0
+ - const: csiphy1
+ - const: csiphy2
+ - const: csiphy3
+ - const: csiphy4
+ - const: csiphy5
+ - const: csiphy6
+ - const: csiphy7
+ - const: csid0
+ - const: csid1
+ - const: csid2
+ - const: csid_lite0
+ - const: csid_lite1
+ - const: vfe0
+ - const: vfe1
+ - const: vfe2
+ - const: vfe_lite0
+ - const: vfe_lite1
+
+ iommus:
+ maxItems: 1
+
+ interconnects:
+ minItems: 4
+ maxItems: 4
+
+ interconnect-names:
+ items:
+ - const: cam_ahb
+ - const: cam_hf_0_mnoc
+ - const: cam_sf_0_mnoc
+ - const: cam_sf_icp_mnoc
+
+ power-domains:
+ items:
+ - description: IFE0 GDSC - Image Front End, Global Distributed Switch Controller.
+ - description: IFE1 GDSC - Image Front End, Global Distributed Switch Controller.
+ - description: IFE2 GDSC - Image Front End, Global Distributed Switch Controller.
+ - description: Titan GDSC - Titan ISP Block, Global Distributed Switch Controller.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ description:
+ CSI input ports.
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port for receiving CSI data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port for receiving CSI data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ port@2:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port for receiving CSI data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ port@3:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port for receiving CSI data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ port@4:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port for receiving CSI data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ port@5:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port for receiving CSI data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ reg:
+ minItems: 19
+ maxItems: 19
+
+ reg-names:
+ items:
+ - const: csiphy0
+ - const: csiphy1
+ - const: csiphy2
+ - const: csiphy3
+ - const: csiphy4
+ - const: csiphy5
+ - const: csiphy6
+ - const: csiphy7
+ - const: csid0
+ - const: csid1
+ - const: csid2
+ - const: csid_lite0
+ - const: csid_lite1
+ - const: csid_top
+ - const: vfe0
+ - const: vfe1
+ - const: vfe2
+ - const: vfe_lite0
+ - const: vfe_lite1
+
+ vdda-phy-supply:
+ description:
+ Phandle to a regulator supply to PHY core block.
+
+ vdda-pll-supply:
+ description:
+ Phandle to 1.2V regulator supply to PHY refclk pll block.
+
+required:
+ - clock-names
+ - clocks
+ - compatible

I would suggest to put 'compatible', 'reg' and 'reg-names' properties as
the first ones. 'clock-names' should follow 'clocks' property in the list.

+ - interconnects
+ - interconnect-names
+ - interrupts
+ - interrupt-names
+ - iommus
+ - power-domains
+ - reg
+ - reg-names
+ - vdda-phy-supply
+ - vdda-pll-supply
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,sm8550-camcc.h>
+ #include <dt-bindings/clock/qcom,sm8550-gcc.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/interconnect/qcom,sm8550-rpmh.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ camss: camss@ace4000 {
+ compatible = "qcom,sm8550-camss";
+
+ reg = <0 0x0ace4000 0 0x2000>,
+ <0 0x0ace6000 0 0x2000>,
+ <0 0x0ace8000 0 0x2000>,
+ <0 0x0acea000 0 0x2000>,
+ <0 0x0acec000 0 0x2000>,
+ <0 0x0acee000 0 0x2000>,
+ <0 0x0acf0000 0 0x2000>,
+ <0 0x0acf2000 0 0x2000>,
+ <0 0x0acb7000 0 0xd00>,
+ <0 0x0acb9000 0 0xd00>,
+ <0 0x0acbb000 0 0xd00>,
+ <0 0x0acca000 0 0xa00>,
+ <0 0x0acce000 0 0xa00>,
+ <0 0x0acb6000 0 0x1000>,
+ <0 0x0ac62000 0 0xf000>,
+ <0 0x0ac71000 0 0xf000>,
+ <0 0x0ac80000 0 0xf000>,
+ <0 0x0acca000 0 0x2800>,
+ <0 0x0acce000 0 0x2800>;
+ reg-names = "csiphy0",
+ "csiphy1",
+ "csiphy2",
+ "csiphy3",
+ "csiphy4",
+ "csiphy5",
+ "csiphy6",
+ "csiphy7",
+ "csid0",
+ "csid1",
+ "csid2",
+ "csid_lite0",
+ "csid_lite1",
+ "csid_top",
+ "vfe0",
+ "vfe1",
+ "vfe2",
+ "vfe_lite0",
+ "vfe_lite1";
+
+ vdda-phy-supply = <&vreg_l1e_0p88>;
+ vdda-pll-supply = <&vreg_l3e_1p2>;
+
+ interrupts = <GIC_SPI 477 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 478 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 479 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 448 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 277 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 431 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 688 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 606 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>;
+
+ interrupt-names = "csiphy0",
+ "csiphy1",
+ "csiphy2",
+ "csiphy3",
+ "csiphy4",
+ "csiphy5",
+ "csiphy6",
+ "csiphy7",
+ "csid0",
+ "csid1",
+ "csid2",
+ "csid_lite0",
+ "csid_lite1",
+ "vfe0",
+ "vfe1",
+ "vfe2",
+ "vfe_lite0",
+ "vfe_lite1";
+
+ power-domains = <&camcc CAM_CC_IFE_0_GDSC>,
+ <&camcc CAM_CC_IFE_1_GDSC>,
+ <&camcc CAM_CC_IFE_2_GDSC>,
+ <&camcc CAM_CC_TITAN_TOP_GDSC>;
+
+ clocks = <&gcc GCC_CAMERA_AHB_CLK>,
+ <&gcc GCC_CAMERA_HF_AXI_CLK>,
+ <&gcc GCC_CAMERA_SF_AXI_CLK>,
+ <&camcc CAM_CC_CAMNOC_AXI_CLK>,
+ <&camcc CAM_CC_CAMNOC_AXI_CLK_SRC>,
+ <&camcc CAM_CC_CORE_AHB_CLK>,
+ <&camcc CAM_CC_CPAS_AHB_CLK>,
+ <&camcc CAM_CC_SLOW_AHB_CLK_SRC>,
+ <&camcc CAM_CC_CSIPHY0_CLK>,
+ <&camcc CAM_CC_CSI0PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY1_CLK>,
+ <&camcc CAM_CC_CSI1PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY2_CLK>,
+ <&camcc CAM_CC_CSI2PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY3_CLK>,
+ <&camcc CAM_CC_CSI3PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY4_CLK>,
+ <&camcc CAM_CC_CSI4PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY5_CLK>,
+ <&camcc CAM_CC_CSI5PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY6_CLK>,
+ <&camcc CAM_CC_CSI6PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSIPHY7_CLK>,
+ <&camcc CAM_CC_CSI7PHYTIMER_CLK>,
+ <&camcc CAM_CC_CSID_CLK_SRC>,
+ <&camcc CAM_CC_CSID_CLK>,
+ <&camcc CAM_CC_CSID_CSIPHY_RX_CLK>,
+ <&camcc CAM_CC_IFE_0_FAST_AHB_CLK>,
+ <&camcc CAM_CC_IFE_0_CLK_SRC>,
+ <&camcc CAM_CC_IFE_0_CLK>,
+ <&camcc CAM_CC_CPAS_IFE_0_CLK>,
+ <&camcc CAM_CC_IFE_1_FAST_AHB_CLK>,
+ <&camcc CAM_CC_IFE_1_CLK_SRC>,
+ <&camcc CAM_CC_IFE_1_CLK>,
+ <&camcc CAM_CC_CPAS_IFE_1_CLK>,
+ <&camcc CAM_CC_IFE_2_FAST_AHB_CLK>,
+ <&camcc CAM_CC_IFE_2_CLK_SRC>,
+ <&camcc CAM_CC_IFE_2_CLK>,
+ <&camcc CAM_CC_CPAS_IFE_2_CLK>,
+ <&camcc CAM_CC_IFE_LITE_AHB_CLK>,
+ <&camcc CAM_CC_IFE_LITE_CSID_CLK_SRC>,
+ <&camcc CAM_CC_IFE_LITE_CSID_CLK>,
+ <&camcc CAM_CC_IFE_LITE_CPHY_RX_CLK>,
+ <&camcc CAM_CC_IFE_LITE_CLK>,
+ <&camcc CAM_CC_CPAS_IFE_LITE_CLK>,
+ <&camcc CAM_CC_CPAS_FAST_AHB_CLK>,
+ <&camcc CAM_CC_FAST_AHB_CLK_SRC>;
+
+ clock-names = "cam_ahb_clk",
+ "cam_hf_axi",
+ "cam_sf_axi",
+ "camnoc_axi",
+ "camnoc_axi_src",
+ "core_ahb",
+ "cpas_ahb",
+ "slow_ahb_src",
+ "csiphy0",
+ "csiphy0_timer",
+ "csiphy1",
+ "csiphy1_timer",
+ "csiphy2",
+ "csiphy2_timer",
+ "csiphy3",
+ "csiphy3_timer",
+ "csiphy4",
+ "csiphy4_timer",
+ "csiphy5",
+ "csiphy5_timer",
+ "csiphy6",
+ "csiphy6_timer",
+ "csiphy7",
+ "csiphy7_timer",
+ "csid_src",
+ "csid",
+ "csiphy_rx",
+ "vfe0_fast_ahb",
+ "vfe0_src",
+ "vfe0",
+ "cpas_vfe0",
+ "vfe1_fast_ahb",
+ "vfe1_src",
+ "vfe1",
+ "cpas_vfe1",
+ "vfe2_fast_ahb",
+ "vfe2_src",
+ "vfe2",
+ "cpas_vfe2",
+ "vfe_lite_ahb",
+ "vfe_lite_csid_src",
+ "vfe_lite_csid",
+ "vfe_lite_cphy_rx",
+ "vfe_lite",
+ "cpas_ife_lite",
+ "cpas_fast_ahb_clk",
+ "fast_ahb_src";
+
+ iommus = <&apps_smmu 0x800 0x20>;
+
+ interconnects =
+ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_CAMERA_CFG 0>,
+ <&mmss_noc MASTER_CAMNOC_HF 0 &mc_virt SLAVE_EBI1 0>,
+ <&mmss_noc MASTER_CAMNOC_SF 0 &mc_virt SLAVE_EBI1 0>,
+ <&mmss_noc MASTER_CAMNOC_ICP 0 &mc_virt SLAVE_EBI1 0>;
+ interconnect-names =
+ "cam_ahb",
+ "cam_hf_0_mnoc",
+ "cam_sf_0_mnoc",
+ "cam_sf_icp_mnoc";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ csiphy_ep0: endpoint@0 {
+ reg = <0>;
+ clock-lanes = <7>;
+ data-lanes = <0 1>;
+ remote-endpoint = <&sensor_ep>;
+ };
+ };
+ };
+ };
+ };

--
Best wishes,
Vladimir