diff mbox series

[v6,2/6] Bindings: nvmem: add bindings for JZ4780 efuse

Message ID 4b243cc120ca6f9a23e217d070e7f6a42f11f8b4.1582715761.git.hns@goldelico.com (mailing list archive)
State Superseded
Headers show
Series MIPS: CI20: Add efuse driver for Ingenic JZ4780 and attach to DM9000 for stable MAC addresses | expand

Commit Message

H. Nikolaus Schaller Feb. 26, 2020, 11:15 a.m. UTC 
From: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>

This patch brings support for the JZ4780 efuse. Currently it only exposes
a read only access to the entire 8K bits efuse memory.

Tested-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
[converted to yaml]
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
 .../bindings/nvmem/ingenic,jz4780-efuse.yaml  | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml

Comments

Paul Cercueil Feb. 27, 2020, 2:49 p.m. UTC | #1 
Hi Nikolaus,


Le mer., févr. 26, 2020 at 12:15, H. Nikolaus Schaller 
<hns@goldelico.com> a écrit :
> From: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
> 
> This patch brings support for the JZ4780 efuse. Currently it only 
> exposes
> a read only access to the entire 8K bits efuse memory.
> 
> Tested-by: Mathieu Malaterre <malat@debian.org>
> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
> Signed-off-by: Mathieu Malaterre <malat@debian.org>
> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
> [converted to yaml]
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> ---
>  .../bindings/nvmem/ingenic,jz4780-efuse.yaml  | 50 
> +++++++++++++++++++
>  1 file changed, 50 insertions(+)
>  create mode 100644 
> Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
> 
> diff --git 
> a/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml 
> b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
> new file mode 100644
> index 000000000000..b9c0ea09b335
> --- /dev/null
> +++ 
> b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/ingenic,jz4780-efuse.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ingenic JZ EFUSE driver bindings
> +
> +maintainers:
> +  - PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
> +
> +allOf:
> +  - $ref: "nvmem.yaml#"
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ingenic,jz4780-efuse
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    # Handle for the ahb for the efuse.
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: ahb2

Your driver does not actually require the clock to be 'ahb2', it will 
take the first clock independently of its name. So 'clock-names' can be 
dropped.

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/jz4780-cgu.h>
> +
> +    efuse@134100d0 {
> +        compatible = "ingenic,jz4780-efuse";
> +        reg = <0x134100d0 0x2c>;
> +
> +        clocks = <&cgu JZ4780_CLK_AHB2>;
> +        clock-names = "ahb2";

Same here.

Cheers,
-Paul

> +    };
> +
> +...
> --
> 2.23.0
>
H. Nikolaus Schaller Feb. 27, 2020, 2:55 p.m. UTC | #2 
> Am 27.02.2020 um 15:49 schrieb Paul Cercueil <paul@crapouillou.net>:
> 
> Hi Nikolaus,
> 
> 
> Le mer., févr. 26, 2020 at 12:15, H. Nikolaus Schaller <hns@goldelico.com> a écrit :
>> From: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
>> This patch brings support for the JZ4780 efuse. Currently it only exposes
>> a read only access to the entire 8K bits efuse memory.
>> Tested-by: Mathieu Malaterre <malat@debian.org>
>> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
>> Signed-off-by: Mathieu Malaterre <malat@debian.org>
>> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
>> [converted to yaml]
>> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
>> ---
>> .../bindings/nvmem/ingenic,jz4780-efuse.yaml  | 50 +++++++++++++++++++
>> 1 file changed, 50 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
>> diff --git a/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
>> new file mode 100644
>> index 000000000000..b9c0ea09b335
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
>> @@ -0,0 +1,50 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/nvmem/ingenic,jz4780-efuse.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Ingenic JZ EFUSE driver bindings
>> +
>> +maintainers:
>> +  - PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
>> +
>> +allOf:
>> +  - $ref: "nvmem.yaml#"
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - ingenic,jz4780-efuse
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    # Handle for the ahb for the efuse.
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    items:
>> +      - const: ahb2
> 
> Your driver does not actually require the clock to be 'ahb2', it will take the first clock independently of its name. So 'clock-names' can be dropped.
> 
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +
>> +unevaluatedProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/jz4780-cgu.h>
>> +
>> +    efuse@134100d0 {
>> +        compatible = "ingenic,jz4780-efuse";
>> +        reg = <0x134100d0 0x2c>;
>> +
>> +        clocks = <&cgu JZ4780_CLK_AHB2>;
>> +        clock-names = "ahb2";
> 
> Same here.

Ok! Will also update in the real .dts.

BR and thanks,
Nikolaus
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
new file mode 100644
index 000000000000..b9c0ea09b335
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
@@ -0,0 +1,50 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/ingenic,jz4780-efuse.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ingenic JZ EFUSE driver bindings
+
+maintainers:
+  - PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - ingenic,jz4780-efuse
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    # Handle for the ahb for the efuse.
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: ahb2
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/jz4780-cgu.h>
+
+    efuse@134100d0 {
+        compatible = "ingenic,jz4780-efuse";
+        reg = <0x134100d0 0x2c>;
+
+        clocks = <&cgu JZ4780_CLK_AHB2>;
+        clock-names = "ahb2";
+    };
+
+...