diff mbox series

[v2,03/10] dt-bindings: spi: Add Aspeed SMC controllers device tree binding

Message ID 20220302173114.927476-4-clg@kaod.org
State Not Applicable, archived
Headers show
Series None | expand

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Commit Message

Cédric Le Goater March 2, 2022, 5:31 p.m. UTC 
The "interrupt" property is optional because it is only necessary for
controllers supporting DMAs (Not implemented yet in the new driver).

Cc: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 .../bindings/spi/aspeed,ast2600-fmc.yaml      | 90 +++++++++++++++++++
 MAINTAINERS                                   |  9 ++
 2 files changed, 99 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml

Comments

Rob Herring (Arm) March 2, 2022, 9:26 p.m. UTC | #1 
On Wed, Mar 02, 2022 at 06:31:07PM +0100, Cédric Le Goater wrote:
> The "interrupt" property is optional because it is only necessary for
> controllers supporting DMAs (Not implemented yet in the new driver).
> 
> Cc: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
> ---
>  .../bindings/spi/aspeed,ast2600-fmc.yaml      | 90 +++++++++++++++++++
>  MAINTAINERS                                   |  9 ++
>  2 files changed, 99 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> new file mode 100644
> index 000000000000..0289a4f52196
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> @@ -0,0 +1,90 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aspeed SMC controllers bindings
> +
> +maintainers:
> +  - Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
> +  - Cédric Le Goater <clg@kaod.org>
> +
> +description: |
> +  This binding describes the Aspeed Static Memory Controllers (FMC and
> +  SPI) of the AST2400, AST2500 and AST2600 SOCs.
> +
> +allOf:
> +  - $ref: "spi-controller.yaml#"
> +
> +properties:
> +  compatible:
> +    enum:
> +      - aspeed,ast2600-fmc
> +      - aspeed,ast2600-spi
> +      - aspeed,ast2500-fmc
> +      - aspeed,ast2500-spi
> +      - aspeed,ast2400-fmc
> +      - aspeed,ast2400-spi
> +
> +  reg:
> +    items:
> +      - description: registers
> +      - description: memory mapping
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +patternProperties:
> +  "@[0-9a-f]+":
> +    type: object
> +
> +    properties:
> +      spi-rx-bus-width:
> +        enum: [1, 2, 4]
> +
> +    required:
> +      - reg

No need for required here, spi-controller.yaml already enforces that.

Otherwise,

Reviewed-by: Rob Herring <robh@kernel.org>

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
> +    #include <dt-bindings/clock/ast2600-clock.h>
> +
> +    spi@1e620000 {
> +        reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        compatible = "aspeed,ast2600-fmc";
> +        clocks = <&syscon ASPEED_CLK_AHB>;
> +        interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
> +        flash@0 {
> +                reg = < 0 >;
> +                compatible = "jedec,spi-nor";
> +                spi-max-frequency = <50000000>;
> +                spi-rx-bus-width = <2>;
> +        };
> +        flash@1 {
> +                reg = < 1 >;
> +                compatible = "jedec,spi-nor";
> +                spi-max-frequency = <50000000>;
> +                spi-rx-bus-width = <2>;
> +        };
> +        flash@2 {
> +                reg = < 2 >;
> +                compatible = "jedec,spi-nor";
> +                spi-max-frequency = <50000000>;
> +                spi-rx-bus-width = <2>;
> +        };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 4175103e928d..f5ab77548ef6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2925,6 +2925,15 @@ S:	Maintained
>  F:	Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
>  F:	drivers/mmc/host/sdhci-of-aspeed*
>  
> +ASPEED SMC SPI DRIVER
> +M:	Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
> +M:	Cédric Le Goater <clg@kaod.org>
> +L:	linux-aspeed@lists.ozlabs.org (moderated for non-subscribers)
> +L:	openbmc@lists.ozlabs.org (moderated for non-subscribers)
> +L:	linux-spi@vger.kernel.org
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> +
>  ASPEED VIDEO ENGINE DRIVER
>  M:	Eddie James <eajames@linux.ibm.com>
>  L:	linux-media@vger.kernel.org
> -- 
> 2.34.1
> 
>
Joel Stanley March 2, 2022, 10:20 p.m. UTC | #2 
On Wed, 2 Mar 2022 at 17:31, Cédric Le Goater <clg@kaod.org> wrote:
>
> The "interrupt" property is optional because it is only necessary for
> controllers supporting DMAs (Not implemented yet in the new driver).
>
> Cc: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>

Reviewed-by: Joel Stanley <joel@jms.id.au>

> ---
>  .../bindings/spi/aspeed,ast2600-fmc.yaml      | 90 +++++++++++++++++++
>  MAINTAINERS                                   |  9 ++
>  2 files changed, 99 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
>
> diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> new file mode 100644
> index 000000000000..0289a4f52196
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> @@ -0,0 +1,90 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aspeed SMC controllers bindings
> +
> +maintainers:
> +  - Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
> +  - Cédric Le Goater <clg@kaod.org>
> +
> +description: |
> +  This binding describes the Aspeed Static Memory Controllers (FMC and
> +  SPI) of the AST2400, AST2500 and AST2600 SOCs.
> +
> +allOf:
> +  - $ref: "spi-controller.yaml#"
> +
> +properties:
> +  compatible:
> +    enum:
> +      - aspeed,ast2600-fmc
> +      - aspeed,ast2600-spi
> +      - aspeed,ast2500-fmc
> +      - aspeed,ast2500-spi
> +      - aspeed,ast2400-fmc
> +      - aspeed,ast2400-spi
> +
> +  reg:
> +    items:
> +      - description: registers
> +      - description: memory mapping
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +patternProperties:
> +  "@[0-9a-f]+":
> +    type: object
> +
> +    properties:
> +      spi-rx-bus-width:
> +        enum: [1, 2, 4]
> +
> +    required:
> +      - reg
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
> +    #include <dt-bindings/clock/ast2600-clock.h>
> +
> +    spi@1e620000 {
> +        reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        compatible = "aspeed,ast2600-fmc";
> +        clocks = <&syscon ASPEED_CLK_AHB>;
> +        interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
> +        flash@0 {
> +                reg = < 0 >;
> +                compatible = "jedec,spi-nor";
> +                spi-max-frequency = <50000000>;
> +                spi-rx-bus-width = <2>;
> +        };
> +        flash@1 {
> +                reg = < 1 >;
> +                compatible = "jedec,spi-nor";
> +                spi-max-frequency = <50000000>;
> +                spi-rx-bus-width = <2>;
> +        };
> +        flash@2 {
> +                reg = < 2 >;
> +                compatible = "jedec,spi-nor";
> +                spi-max-frequency = <50000000>;
> +                spi-rx-bus-width = <2>;
> +        };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 4175103e928d..f5ab77548ef6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2925,6 +2925,15 @@ S:       Maintained
>  F:     Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
>  F:     drivers/mmc/host/sdhci-of-aspeed*
>
> +ASPEED SMC SPI DRIVER
> +M:     Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
> +M:     Cédric Le Goater <clg@kaod.org>
> +L:     linux-aspeed@lists.ozlabs.org (moderated for non-subscribers)
> +L:     openbmc@lists.ozlabs.org (moderated for non-subscribers)
> +L:     linux-spi@vger.kernel.org
> +S:     Maintained
> +F:     Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
> +
>  ASPEED VIDEO ENGINE DRIVER
>  M:     Eddie James <eajames@linux.ibm.com>
>  L:     linux-media@vger.kernel.org
> --
> 2.34.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
new file mode 100644
index 000000000000..0289a4f52196
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
@@ -0,0 +1,90 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Aspeed SMC controllers bindings
+
+maintainers:
+  - Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
+  - Cédric Le Goater <clg@kaod.org>
+
+description: |
+  This binding describes the Aspeed Static Memory Controllers (FMC and
+  SPI) of the AST2400, AST2500 and AST2600 SOCs.
+
+allOf:
+  - $ref: "spi-controller.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - aspeed,ast2600-fmc
+      - aspeed,ast2600-spi
+      - aspeed,ast2500-fmc
+      - aspeed,ast2500-spi
+      - aspeed,ast2400-fmc
+      - aspeed,ast2400-spi
+
+  reg:
+    items:
+      - description: registers
+      - description: memory mapping
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+patternProperties:
+  "@[0-9a-f]+":
+    type: object
+
+    properties:
+      spi-rx-bus-width:
+        enum: [1, 2, 4]
+
+    required:
+      - reg
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
+    #include <dt-bindings/clock/ast2600-clock.h>
+
+    spi@1e620000 {
+        reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        compatible = "aspeed,ast2600-fmc";
+        clocks = <&syscon ASPEED_CLK_AHB>;
+        interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+        flash@0 {
+                reg = < 0 >;
+                compatible = "jedec,spi-nor";
+                spi-max-frequency = <50000000>;
+                spi-rx-bus-width = <2>;
+        };
+        flash@1 {
+                reg = < 1 >;
+                compatible = "jedec,spi-nor";
+                spi-max-frequency = <50000000>;
+                spi-rx-bus-width = <2>;
+        };
+        flash@2 {
+                reg = < 2 >;
+                compatible = "jedec,spi-nor";
+                spi-max-frequency = <50000000>;
+                spi-rx-bus-width = <2>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 4175103e928d..f5ab77548ef6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2925,6 +2925,15 @@  S:	Maintained
 F:	Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
 F:	drivers/mmc/host/sdhci-of-aspeed*
 
+ASPEED SMC SPI DRIVER
+M:	Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
+M:	Cédric Le Goater <clg@kaod.org>
+L:	linux-aspeed@lists.ozlabs.org (moderated for non-subscribers)
+L:	openbmc@lists.ozlabs.org (moderated for non-subscribers)
+L:	linux-spi@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
+
 ASPEED VIDEO ENGINE DRIVER
 M:	Eddie James <eajames@linux.ibm.com>
 L:	linux-media@vger.kernel.org