diff mbox series

[v6,1/2] dt-bindings: PCI: dw: rockchip: Add rk3576 support

Message ID 20250224074928.2005744-1-kever.yang@rock-chips.com (mailing list archive)
State New
Headers show
Series [v6,1/2] dt-bindings: PCI: dw: rockchip: Add rk3576 support | expand

Commit Message

Kever Yang Feb. 24, 2025, 7:49 a.m. UTC
rk3576 is using DWC PCIe controller, with msi interrupt directly to GIC
instead of using GIC ITS, so
- no ITS support is required and the 'msi-map' is not required,
- a new 'msi' interrupt is needed.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---

Changes in v6:
- Fix make dt_binding_check and make CHECK_DTBS=y

Changes in v5:
- Add constraints per device for interrupt-names due to the interrupt is
different from rk3588.

Changes in v4:
- Fix wrong indentation in dt_binding_check report by Rob

Changes in v3:
- Fix dtb check broken on rk3588
- Update commit message

Changes in v2:
- remove required 'msi-map'
- add interrupt name 'msi'

 .../bindings/pci/rockchip-dw-pcie-common.yaml | 41 ++++++++++++++++++-
 .../bindings/pci/rockchip-dw-pcie.yaml        | 19 ++++++---
 2 files changed, 52 insertions(+), 8 deletions(-)

Comments

Krzysztof Kozlowski Feb. 24, 2025, 9:28 a.m. UTC | #1
On Mon, Feb 24, 2025 at 03:49:27PM +0800, Kever Yang wrote:
> rk3576 is using DWC PCIe controller, with msi interrupt directly to GIC
> instead of using GIC ITS, so
> - no ITS support is required and the 'msi-map' is not required,
> - a new 'msi' interrupt is needed.
> 
> Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> ---
> 
> Changes in v6:
> - Fix make dt_binding_check and make CHECK_DTBS=y
> 
> Changes in v5:
> - Add constraints per device for interrupt-names due to the interrupt is
> different from rk3588.
> 
> Changes in v4:
> - Fix wrong indentation in dt_binding_check report by Rob
> 
> Changes in v3:
> - Fix dtb check broken on rk3588
> - Update commit message
> 
> Changes in v2:
> - remove required 'msi-map'
> - add interrupt name 'msi'
> 
>  .../bindings/pci/rockchip-dw-pcie-common.yaml | 41 ++++++++++++++++++-
>  .../bindings/pci/rockchip-dw-pcie.yaml        | 19 ++++++---
>  2 files changed, 52 insertions(+), 8 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml
> index cc9adfc7611c..e1ca8e2f35fe 100644
> --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml
> +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml
> @@ -65,7 +65,11 @@ properties:
>            tx_cpl_timeout, cor_err_sent, nf_err_sent, f_err_sent, cor_err_rx,
>            nf_err_rx, f_err_rx, radm_qoverflow
>        - description:
> -          eDMA write channel 0 interrupt
> +          If the matching interrupt name is "msi", then this is the combinded
> +          MSI line interrupt, which is to support MSI interrupts output to GIC
> +          controller via GIC SPI interrupt instead of GIC its interrupt.
> +          If the matching interrupt name is "dma0", then this is the eDMA write
> +          channel 0 interrupt.
>        - description:
>            eDMA write channel 1 interrupt
>        - description:
> @@ -81,7 +85,9 @@ properties:
>        - const: msg
>        - const: legacy
>        - const: err
> -      - const: dma0
> +      - enum:
> +          - msi
> +          - dma0
>        - const: dma1
>        - const: dma2
>        - const: dma3
> @@ -123,4 +129,35 @@ required:
>  
>  additionalProperties: true
>  
> +anyOf:

There is never syntax like that. Where did you find it (so we can fix
it)?

> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: rockchip,rk3576-pcie

This does not belong to common schema, but to device specific. I don't
see this compatible in this common schema at all.


> +    then:
> +      properties:

interrupts:
  minItems: 6
  maxItems: 6

> +        interrupt-names:
> +          items:
> +            - const: sys
> +            - const: pmc
> +            - const: msg
> +            - const: legacy
> +            - const: err

Best regards,
Krzysztof
Krzysztof Kozlowski Feb. 24, 2025, 9:44 a.m. UTC | #2
On 24/02/2025 08:49, Kever Yang wrote:
> rk3576 is using DWC PCIe controller, with msi interrupt directly to GIC
> instead of using GIC ITS, so
> - no ITS support is required and the 'msi-map' is not required,
> - a new 'msi' interrupt is needed.
> 
> Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> ---
> 
> Changes in v6:
> - Fix make dt_binding_check and make CHECK_DTBS=y


Now I see you already sent v6 and you already received review.

Implement previous review and respond to it.

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml
index cc9adfc7611c..e1ca8e2f35fe 100644
--- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml
+++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml
@@ -65,7 +65,11 @@  properties:
           tx_cpl_timeout, cor_err_sent, nf_err_sent, f_err_sent, cor_err_rx,
           nf_err_rx, f_err_rx, radm_qoverflow
       - description:
-          eDMA write channel 0 interrupt
+          If the matching interrupt name is "msi", then this is the combinded
+          MSI line interrupt, which is to support MSI interrupts output to GIC
+          controller via GIC SPI interrupt instead of GIC its interrupt.
+          If the matching interrupt name is "dma0", then this is the eDMA write
+          channel 0 interrupt.
       - description:
           eDMA write channel 1 interrupt
       - description:
@@ -81,7 +85,9 @@  properties:
       - const: msg
       - const: legacy
       - const: err
-      - const: dma0
+      - enum:
+          - msi
+          - dma0
       - const: dma1
       - const: dma2
       - const: dma3
@@ -123,4 +129,35 @@  required:
 
 additionalProperties: true
 
+anyOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3576-pcie
+    then:
+      properties:
+        interrupt-names:
+          items:
+            - const: sys
+            - const: pmc
+            - const: msg
+            - const: legacy
+            - const: err
+            - const: msi
+    else:
+      properties:
+        interrupt-names:
+          minItems: 5
+          items:
+            - const: sys
+            - const: pmc
+            - const: msg
+            - const: legacy
+            - const: err
+            - const: dma0
+            - const: dma1
+            - const: dma2
+            - const: dma3
+
 ...
diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
index 550d8a684af3..d727502ed822 100644
--- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
@@ -16,16 +16,13 @@  description: |+
   PCIe IP and thus inherits all the common properties defined in
   snps,dw-pcie.yaml.
 
-allOf:
-  - $ref: /schemas/pci/snps,dw-pcie.yaml#
-  - $ref: /schemas/pci/rockchip-dw-pcie-common.yaml#
-
 properties:
   compatible:
     oneOf:
       - const: rockchip,rk3568-pcie
       - items:
           - enum:
+              - rockchip,rk3576-pcie
               - rockchip,rk3588-pcie
           - const: rockchip,rk3568-pcie
 
@@ -71,8 +68,18 @@  properties:
 
   vpcie3v3-supply: true
 
-required:
-  - msi-map
+allOf:
+  - $ref: /schemas/pci/snps,dw-pcie.yaml#
+  - $ref: /schemas/pci/rockchip-dw-pcie-common.yaml#
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: rockchip,rk3576-pcie
+    then:
+      required:
+        - msi-map
 
 unevaluatedProperties: false