diff mbox series

[v2,1/3] dt-bindings: spmi: Add generic SPMI NVMEM

Message ID 20250417-spmi-nvmem-v2-1-b88851e34afb@gmail.com (mailing list archive)
State New
Headers show
Series Generic SPMI NVMEM cell driver | expand

Commit Message

Sasha Finkelstein April 17, 2025, 8:14 p.m. UTC 
From: Sasha Finkelstein <fnkl.kernel@gmail.com>

Add bindings for exposing SPMI registers as NVMEM cells

Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
---
 .../devicetree/bindings/nvmem/spmi-nvmem.yaml      | 54 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 55 insertions(+)

Comments

Alyssa Rosenzweig April 17, 2025, 8:19 p.m. UTC | #1 
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>

Le Thu , Apr 17, 2025 at 10:14:49PM +0200, Sasha Finkelstein via B4 Relay a écrit :
> From: Sasha Finkelstein <fnkl.kernel@gmail.com>
> 
> Add bindings for exposing SPMI registers as NVMEM cells
> 
> Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
> ---
>  .../devicetree/bindings/nvmem/spmi-nvmem.yaml      | 54 ++++++++++++++++++++++
>  MAINTAINERS                                        |  1 +
>  2 files changed, 55 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml b/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..d16b27128f97b5d38fb6ddb5109c70cda5e2ee15
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/spmi-nvmem.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Generic SPMI NVMEM
> +
> +description: Exports a series of SPMI registers as NVMEM cells
> +
> +maintainers:
> +  - Sasha Finkelstein <fnkl.kernel@gmail.com>
> +
> +allOf:
> +  - $ref: nvmem.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - apple,maverick-pmic
> +          - apple,sera-pmic
> +          - apple,stowe-pmic
> +      - const: spmi-nvmem
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/spmi/spmi.h>
> +
> +    pmic@f {
> +        compatible = "apple,maverick-pmic", "spmi-nvmem";
> +        reg = <0xf SPMI_USID>;
> +
> +        nvmem-layout {
> +            compatible = "fixed-layout";
> +            #address-cells = <1>;
> +            #size-cells = <1>;
> +
> +            boot_stage: boot-stage@6001 {
> +                reg = <0x6001 0x1>;
> +            };
> +        };
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 96b82704950184bd71623ff41fc4df31e4c7fe87..e7b2d0df81b387ba5398957131971588dc7b89dc 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2277,6 +2277,7 @@ F:	Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
>  F:	Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml
>  F:	Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml
>  F:	Documentation/devicetree/bindings/nvmem/apple,efuses.yaml
> +F:	Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml
>  F:	Documentation/devicetree/bindings/pci/apple,pcie.yaml
>  F:	Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml
>  F:	Documentation/devicetree/bindings/power/apple*
> 
> -- 
> 2.49.0
> 
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml b/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..d16b27128f97b5d38fb6ddb5109c70cda5e2ee15
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml
@@ -0,0 +1,54 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/spmi-nvmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic SPMI NVMEM
+
+description: Exports a series of SPMI registers as NVMEM cells
+
+maintainers:
+  - Sasha Finkelstein <fnkl.kernel@gmail.com>
+
+allOf:
+  - $ref: nvmem.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - apple,maverick-pmic
+          - apple,sera-pmic
+          - apple,stowe-pmic
+      - const: spmi-nvmem
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/spmi/spmi.h>
+
+    pmic@f {
+        compatible = "apple,maverick-pmic", "spmi-nvmem";
+        reg = <0xf SPMI_USID>;
+
+        nvmem-layout {
+            compatible = "fixed-layout";
+            #address-cells = <1>;
+            #size-cells = <1>;
+
+            boot_stage: boot-stage@6001 {
+                reg = <0x6001 0x1>;
+            };
+        };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 96b82704950184bd71623ff41fc4df31e4c7fe87..e7b2d0df81b387ba5398957131971588dc7b89dc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2277,6 +2277,7 @@  F:	Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
 F:	Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml
 F:	Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml
 F:	Documentation/devicetree/bindings/nvmem/apple,efuses.yaml
+F:	Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml
 F:	Documentation/devicetree/bindings/pci/apple,pcie.yaml
 F:	Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml
 F:	Documentation/devicetree/bindings/power/apple*