diff mbox series

[v5,02/13] dt-bindings: Add bindings for peci-aspeed

Message ID 20220112230247.982212-3-iwona.winiarska@intel.com
State New
Headers show
Series Introduce PECI subsystem | expand

Commit Message

Winiarska, Iwona Jan. 12, 2022, 11:02 p.m. UTC
Add device tree bindings for the peci-aspeed controller driver.

Co-developed-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
---
 .../devicetree/bindings/peci/peci-aspeed.yaml | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/peci/peci-aspeed.yaml

Comments

Joel Stanley Jan. 13, 2022, 3:17 a.m. UTC | #1
On Wed, 12 Jan 2022 at 23:04, Iwona Winiarska <iwona.winiarska@intel.com> wrote:
>
> Add device tree bindings for the peci-aspeed controller driver.
>
> Co-developed-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
> Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>

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

> ---
>  .../devicetree/bindings/peci/peci-aspeed.yaml | 72 +++++++++++++++++++
>  1 file changed, 72 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/peci/peci-aspeed.yaml
>
> diff --git a/Documentation/devicetree/bindings/peci/peci-aspeed.yaml b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml
> new file mode 100644
> index 000000000000..1e68a801a92a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/peci/peci-aspeed.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aspeed PECI Bus Device Tree Bindings
> +
> +maintainers:
> +  - Iwona Winiarska <iwona.winiarska@intel.com>
> +  - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
> +
> +allOf:
> +  - $ref: peci-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - aspeed,ast2400-peci
> +      - aspeed,ast2500-peci
> +      - aspeed,ast2600-peci
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    description:
> +      Clock source for PECI controller. Should reference the external
> +      oscillator clock.
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  cmd-timeout-ms:
> +    minimum: 1
> +    maximum: 1000
> +    default: 1000
> +
> +  clock-frequency:
> +    description:
> +      The desired operation frequency of PECI controller in Hz.
> +    minimum: 2000
> +    maximum: 2000000
> +    default: 1000000
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - resets
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/ast2600-clock.h>
> +    peci-controller@1e78b000 {
> +      compatible = "aspeed,ast2600-peci";
> +      reg = <0x1e78b000 0x100>;
> +      interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
> +      clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>;
> +      resets = <&syscon ASPEED_RESET_PECI>;
> +      cmd-timeout-ms = <1000>;
> +      clock-frequency = <1000000>;
> +    };
> +...
> --
> 2.31.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/peci/peci-aspeed.yaml b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml
new file mode 100644
index 000000000000..1e68a801a92a
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml
@@ -0,0 +1,72 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/peci/peci-aspeed.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Aspeed PECI Bus Device Tree Bindings
+
+maintainers:
+  - Iwona Winiarska <iwona.winiarska@intel.com>
+  - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
+
+allOf:
+  - $ref: peci-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - aspeed,ast2400-peci
+      - aspeed,ast2500-peci
+      - aspeed,ast2600-peci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    description:
+      Clock source for PECI controller. Should reference the external
+      oscillator clock.
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  cmd-timeout-ms:
+    minimum: 1
+    maximum: 1000
+    default: 1000
+
+  clock-frequency:
+    description:
+      The desired operation frequency of PECI controller in Hz.
+    minimum: 2000
+    maximum: 2000000
+    default: 1000000
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/ast2600-clock.h>
+    peci-controller@1e78b000 {
+      compatible = "aspeed,ast2600-peci";
+      reg = <0x1e78b000 0x100>;
+      interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>;
+      resets = <&syscon ASPEED_RESET_PECI>;
+      cmd-timeout-ms = <1000>;
+      clock-frequency = <1000000>;
+    };
+...