diff mbox series

[v3,04/12] dt-bindings: misc: Add device specific bindings for RaspberryPi RP1

Message ID 768d2307342e1054c58324a9d51957456dc82cbf.1730123575.git.andrea.porta@suse.com (mailing list archive)
State New
Headers show
Series Add support for RaspberryPi RP1 PCI device using a DT overlay | expand

Commit Message

Andrea della Porta Oct. 28, 2024, 2:07 p.m. UTC 
The RP1 is a MFD that exposes its peripherals through PCI BARs. This
schema is intended as minimal support for the clock generator and
gpio controller peripherals which are accessible through BAR1.

Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
---
 .../devicetree/bindings/misc/pci1de4,1.yaml   | 80 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 81 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/pci1de4,1.yaml

Comments

Manivannan Sadhasivam Nov. 6, 2024, 2:50 p.m. UTC | #1 
On Mon, Oct 28, 2024 at 03:07:21PM +0100, Andrea della Porta wrote:
> The RP1 is a MFD that exposes its peripherals through PCI BARs. This
> schema is intended as minimal support for the clock generator and
> gpio controller peripherals which are accessible through BAR1.
> 
> Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
> ---
>  .../devicetree/bindings/misc/pci1de4,1.yaml   | 80 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 81 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> 
> diff --git a/Documentation/devicetree/bindings/misc/pci1de4,1.yaml b/Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> new file mode 100644
> index 000000000000..d66b2fc130d1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/misc/pci1de4,1.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: RaspberryPi RP1 MFD PCI device
> +
> +maintainers:
> +  - Andrea della Porta <andrea.porta@suse.com>
> +
> +description:
> +  The RaspberryPi RP1 is a PCI multi function device containing
> +  peripherals ranging from Ethernet to USB controller, I2C, SPI
> +  and others.
> +  The peripherals are accessed by addressing the PCI BAR1 region.
> +
> +allOf:
> +  - $ref: /schemas/pci/pci-ep-bus.yaml
> +
> +properties:
> +  compatible:
> +    additionalItems: true
> +    maxItems: 3
> +    items:
> +      - const: pci1de4,1
> +
> +  '#interrupt-cells':
> +    const: 2
> +    description:
> +      Specifies respectively the interrupt number and flags as defined
> +      in include/dt-bindings/interrupt-controller/irq.h.
> +
> +  interrupt-controller: true
> +
> +unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - '#interrupt-cells'
> +  - interrupt-controller
> +  - pci-ep-bus@1
> +
> +examples:
> +  - |
> +    pci {
> +        #address-cells = <3>;
> +        #size-cells = <2>;
> +
> +        rp1@0,0 {
> +            compatible = "pci1de4,1";
> +            ranges = <0x01 0x00 0x00000000
> +                      0x82010000 0x00 0x00
> +                      0x00 0x400000>;

Could you please have the 'ranges' in a single line as used everywhere?

- Mani

> +            #address-cells = <3>;
> +            #size-cells = <2>;
> +            interrupt-controller;
> +            #interrupt-cells = <2>;
> +
> +            pci_ep_bus: pci-ep-bus@1 {
> +                compatible = "simple-bus";
> +                ranges = <0xc0 0x40000000
> +                          0x01 0x00 0x00000000
> +                          0x00 0x00400000>;
> +                dma-ranges = <0x10 0x00000000
> +                              0x43000000 0x10 0x00000000
> +                              0x10 0x00000000>;
> +                #address-cells = <2>;
> +                #size-cells = <2>;
> +
> +                rp1_clocks: clocks@c040018000 {
> +                    compatible = "raspberrypi,rp1-clocks";
> +                    reg = <0xc0 0x40018000 0x0 0x10038>;
> +                    #clock-cells = <1>;
> +                    clocks = <&clk_rp1_xosc>;
> +                    clock-names =  "xosc";
> +                };
> +            };
> +        };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index ccf123b805c8..2aea5a6166bd 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -19384,6 +19384,7 @@ RASPBERRY PI RP1 PCI DRIVER
>  M:	Andrea della Porta <andrea.porta@suse.com>
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
> +F:	Documentation/devicetree/bindings/misc/pci1de4,1.yaml
>  F:	Documentation/devicetree/bindings/pci/pci-ep-bus.yaml
>  F:	Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml
>  F:	include/dt-bindings/clock/rp1.h
> -- 
> 2.35.3
>
Andrea della Porta Nov. 7, 2024, 7:17 a.m. UTC | #2 
Hi Manivannan,

On 14:50 Wed 06 Nov     , Manivannan Sadhasivam wrote:
> On Mon, Oct 28, 2024 at 03:07:21PM +0100, Andrea della Porta wrote:
> > The RP1 is a MFD that exposes its peripherals through PCI BARs. This
> > schema is intended as minimal support for the clock generator and
> > gpio controller peripherals which are accessible through BAR1.
> > 
> > Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
> > ---
> >  .../devicetree/bindings/misc/pci1de4,1.yaml   | 80 +++++++++++++++++++
> >  MAINTAINERS                                   |  1 +
> >  2 files changed, 81 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/misc/pci1de4,1.yaml b/Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> > new file mode 100644
> > index 000000000000..d66b2fc130d1
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> > @@ -0,0 +1,80 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/misc/pci1de4,1.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: RaspberryPi RP1 MFD PCI device
> > +
> > +maintainers:
> > +  - Andrea della Porta <andrea.porta@suse.com>
> > +
> > +description:
> > +  The RaspberryPi RP1 is a PCI multi function device containing
> > +  peripherals ranging from Ethernet to USB controller, I2C, SPI
> > +  and others.
> > +  The peripherals are accessed by addressing the PCI BAR1 region.
> > +
> > +allOf:
> > +  - $ref: /schemas/pci/pci-ep-bus.yaml
> > +
> > +properties:
> > +  compatible:
> > +    additionalItems: true
> > +    maxItems: 3
> > +    items:
> > +      - const: pci1de4,1
> > +
> > +  '#interrupt-cells':
> > +    const: 2
> > +    description:
> > +      Specifies respectively the interrupt number and flags as defined
> > +      in include/dt-bindings/interrupt-controller/irq.h.
> > +
> > +  interrupt-controller: true
> > +
> > +unevaluatedProperties: false
> > +
> > +required:
> > +  - compatible
> > +  - '#interrupt-cells'
> > +  - interrupt-controller
> > +  - pci-ep-bus@1
> > +
> > +examples:
> > +  - |
> > +    pci {
> > +        #address-cells = <3>;
> > +        #size-cells = <2>;
> > +
> > +        rp1@0,0 {
> > +            compatible = "pci1de4,1";
> > +            ranges = <0x01 0x00 0x00000000
> > +                      0x82010000 0x00 0x00
> > +                      0x00 0x400000>;
> 
> Could you please have the 'ranges' in a single line as used everywhere?
> 
> - Mani

Sure.

Many thanks,
Andrea

> 
> > +            #address-cells = <3>;
> > +            #size-cells = <2>;
> > +            interrupt-controller;
> > +            #interrupt-cells = <2>;
> > +
> > +            pci_ep_bus: pci-ep-bus@1 {
> > +                compatible = "simple-bus";
> > +                ranges = <0xc0 0x40000000
> > +                          0x01 0x00 0x00000000
> > +                          0x00 0x00400000>;
> > +                dma-ranges = <0x10 0x00000000
> > +                              0x43000000 0x10 0x00000000
> > +                              0x10 0x00000000>;
> > +                #address-cells = <2>;
> > +                #size-cells = <2>;
> > +
> > +                rp1_clocks: clocks@c040018000 {
> > +                    compatible = "raspberrypi,rp1-clocks";
> > +                    reg = <0xc0 0x40018000 0x0 0x10038>;
> > +                    #clock-cells = <1>;
> > +                    clocks = <&clk_rp1_xosc>;
> > +                    clock-names =  "xosc";
> > +                };
> > +            };
> > +        };
> > +    };
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index ccf123b805c8..2aea5a6166bd 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -19384,6 +19384,7 @@ RASPBERRY PI RP1 PCI DRIVER
> >  M:	Andrea della Porta <andrea.porta@suse.com>
> >  S:	Maintained
> >  F:	Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
> > +F:	Documentation/devicetree/bindings/misc/pci1de4,1.yaml
> >  F:	Documentation/devicetree/bindings/pci/pci-ep-bus.yaml
> >  F:	Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml
> >  F:	include/dt-bindings/clock/rp1.h
> > -- 
> > 2.35.3
> > 
> 
> -- 
> மணிவண்ணன் சதாசிவம்
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/misc/pci1de4,1.yaml b/Documentation/devicetree/bindings/misc/pci1de4,1.yaml
new file mode 100644
index 000000000000..d66b2fc130d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/pci1de4,1.yaml
@@ -0,0 +1,80 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/misc/pci1de4,1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RaspberryPi RP1 MFD PCI device
+
+maintainers:
+  - Andrea della Porta <andrea.porta@suse.com>
+
+description:
+  The RaspberryPi RP1 is a PCI multi function device containing
+  peripherals ranging from Ethernet to USB controller, I2C, SPI
+  and others.
+  The peripherals are accessed by addressing the PCI BAR1 region.
+
+allOf:
+  - $ref: /schemas/pci/pci-ep-bus.yaml
+
+properties:
+  compatible:
+    additionalItems: true
+    maxItems: 3
+    items:
+      - const: pci1de4,1
+
+  '#interrupt-cells':
+    const: 2
+    description:
+      Specifies respectively the interrupt number and flags as defined
+      in include/dt-bindings/interrupt-controller/irq.h.
+
+  interrupt-controller: true
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - '#interrupt-cells'
+  - interrupt-controller
+  - pci-ep-bus@1
+
+examples:
+  - |
+    pci {
+        #address-cells = <3>;
+        #size-cells = <2>;
+
+        rp1@0,0 {
+            compatible = "pci1de4,1";
+            ranges = <0x01 0x00 0x00000000
+                      0x82010000 0x00 0x00
+                      0x00 0x400000>;
+            #address-cells = <3>;
+            #size-cells = <2>;
+            interrupt-controller;
+            #interrupt-cells = <2>;
+
+            pci_ep_bus: pci-ep-bus@1 {
+                compatible = "simple-bus";
+                ranges = <0xc0 0x40000000
+                          0x01 0x00 0x00000000
+                          0x00 0x00400000>;
+                dma-ranges = <0x10 0x00000000
+                              0x43000000 0x10 0x00000000
+                              0x10 0x00000000>;
+                #address-cells = <2>;
+                #size-cells = <2>;
+
+                rp1_clocks: clocks@c040018000 {
+                    compatible = "raspberrypi,rp1-clocks";
+                    reg = <0xc0 0x40018000 0x0 0x10038>;
+                    #clock-cells = <1>;
+                    clocks = <&clk_rp1_xosc>;
+                    clock-names =  "xosc";
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index ccf123b805c8..2aea5a6166bd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19384,6 +19384,7 @@  RASPBERRY PI RP1 PCI DRIVER
 M:	Andrea della Porta <andrea.porta@suse.com>
 S:	Maintained
 F:	Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
+F:	Documentation/devicetree/bindings/misc/pci1de4,1.yaml
 F:	Documentation/devicetree/bindings/pci/pci-ep-bus.yaml
 F:	Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml
 F:	include/dt-bindings/clock/rp1.h