Re: [PATCH v4 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC controller bindings

[Marek Vasut]

On 12/24/18 7:52 AM, Mason Yang wrote:
> Document the bindings used by the Renesas R-Car Gen3 RPC controller.
> 
> Signed-off-by: Mason Yang 
> ---
>  .../devicetree/bindings/spi/spi-renesas-rpc.txt| 37 
> ++
>  1 file changed, 37 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt 
> b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> new file mode 100644
> index 000..ba863d7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> @@ -0,0 +1,37 @@
> +Renesas R-Car Gen3 RPC controller Device Tree Bindings
> +--
> +
> +Required properties:
> +- compatible: should be "renesas,r8a77995-rpc"
> +- #address-cells: should be 1
> +- #size-cells: should be 0
> +- reg: should contain 2 entries, one for the registers and one for the direct
> +   mapping area
> +- reg-names: should contain "regs" and "dirmap"
> +- clock-names: should contain "rpc"
> +- clocks: should contain 1 entries for the module's clock
> +- renesas,rpc-mode: should contain "spi" for rpc spi mode or
> +"hyperflash" for rpc hyerflash mode.

We do not need special property to identify that the controller is in HF
mode, just attach CFI NOR node or JEDEC SPI NOR underneath it.

-- 
Best regards,
Marek Vasut

Re: [PATCH v4 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC controller bindings

[Sergei Shtylyov]

Hello!

On 24.12.2018 9:52, Mason Yang wrote:


Document the bindings used by the Renesas R-Car Gen3 RPC controller.

Signed-off-by: Mason Yang 
---
  .../devicetree/bindings/spi/spi-renesas-rpc.txt| 37 ++
  1 file changed, 37 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt

diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt 
b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
new file mode 100644
index 000..ba863d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
@@ -0,0 +1,37 @@
+Renesas R-Car Gen3 RPC controller Device Tree Bindings
+--
+
+Required properties:
+- compatible: should be "renesas,r8a77995-rpc"
+- #address-cells: should be 1
+- #size-cells: should be 0
+- reg: should contain 2 entries, one for the registers and one for the direct
+   mapping area
+- reg-names: should contain "regs" and "dirmap"
+- clock-names: should contain "rpc"
+- clocks: should contain 1 entries for the module's clock
+- renesas,rpc-mode: should contain "spi" for rpc spi mode or
+  "hyperflash" for rpc hyerflash mode.

  ^ p

[...]

MBR, Sergei

[PATCH v4 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC controller bindings

[Mason Yang]

Document the bindings used by the Renesas R-Car Gen3 RPC controller.

Signed-off-by: Mason Yang 
---
 .../devicetree/bindings/spi/spi-renesas-rpc.txt| 37 ++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt

diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt 
b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
new file mode 100644
index 000..ba863d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
@@ -0,0 +1,37 @@
+Renesas R-Car Gen3 RPC controller Device Tree Bindings
+--
+
+Required properties:
+- compatible: should be "renesas,r8a77995-rpc"
+- #address-cells: should be 1
+- #size-cells: should be 0
+- reg: should contain 2 entries, one for the registers and one for the direct
+   mapping area
+- reg-names: should contain "regs" and "dirmap"
+- clock-names: should contain "rpc"
+- clocks: should contain 1 entries for the module's clock
+- renesas,rpc-mode: should contain "spi" for rpc spi mode or
+  "hyperflash" for rpc hyerflash mode.
+
+Example:
+
+   rpc: rpc@ee20 {
+   compatible = "renesas,r8a77995-rpc";
+   reg = <0 0xee20 0 0x8100>, <0 0x0800 0 0x400>;
+   reg-names = "regs", "dirmap";
+   clocks = < CPG_MOD 917>;
+   power-domains = < R8A77995_PD_ALWAYS_ON>;
+   resets = < 917>;
+   clock-names = "rpc";
+   renesas,rpc-mode = "spi";
+   #address-cells = <1>;
+   #size-cells = <0>;
+
+   flash@0 {
+   compatible = "jedec,spi-nor";
+   reg = <0>;
+   spi-max-frequency = <4000>;
+   spi-tx-bus-width = <1>;
+   spi-rx-bus-width = <1>;
+   };
+   };
-- 
1.9.1