2019-06-23 16:44:10

by Frank Lee

[permalink] [raw]
Subject: [PATCH v4 02/11] dt-bindings: thermal: add binding document for h6 thermal controller

This patch adds binding document for allwinner h6 thermal controller.

Signed-off-by: Yangtao Li <[email protected]>
---
.../bindings/thermal/sun8i-thermal.yaml | 71 +++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml

diff --git a/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml b/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
new file mode 100644
index 000000000000..2c5acc61ed03
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/sun8i-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner SUN8I Thermal Controller Device Tree Bindings
+
+maintainers:
+ - Yangtao Li <[email protected]>
+
+description: |-
+ This describes the device tree binding for the Allwinner thermal
+ controller which measures the on-SoC temperatures.
+
+properties:
+ compatible:
+ enum:
+ - allwinner,sun50i-h6-ths
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 1
+
+ clock-names:
+ const: bus
+
+ '#thermal-sensor-cells':
+ const: 1
+
+ nvmem-cells:
+ items:
+ - description: ths calibrate data
+
+ nvmem-cell-names:
+ items:
+ - const: calib
+
+required:
+ - compatible
+ - reg
+ - reset
+ - clocks
+ - clock-names
+ - interrupts
+ - '#thermal-sensor-cells'
+
+examples:
+ - |
+ ths: ths@5070400 {
+ compatible = "allwinner,sun50i-h6-ths";
+ reg = <0x05070400 0x100>;
+ clocks = <&ccu CLK_BUS_THS>;
+ clock-names = "bus";
+ resets = <&ccu RST_BUS_THS>;
+ interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ nvmem-cells = <&tsen_calib>;
+ nvmem-cell-names = "calib";
+ #thermal-sensor-cells = <1>;
+ };
+
+...
--
2.17.1


2019-06-24 08:56:08

by Maxime Ripard

[permalink] [raw]
Subject: Re: [PATCH v4 02/11] dt-bindings: thermal: add binding document for h6 thermal controller

Hi,

On Sun, Jun 23, 2019 at 12:41:57PM -0400, Yangtao Li wrote:
> This patch adds binding document for allwinner h6 thermal controller.
>
> Signed-off-by: Yangtao Li <[email protected]>
> ---
> .../bindings/thermal/sun8i-thermal.yaml | 71 +++++++++++++++++++
> 1 file changed, 71 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
>
> diff --git a/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml b/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
> new file mode 100644
> index 000000000000..2c5acc61ed03
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/thermal/sun8i-thermal.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner SUN8I Thermal Controller Device Tree Bindings
> +
> +maintainers:
> + - Yangtao Li <[email protected]>
> +
> +description: |-
> + This describes the device tree binding for the Allwinner thermal
> + controller which measures the on-SoC temperatures.
> +
> +properties:
> + compatible:
> + enum:
> + - allwinner,sun50i-h6-ths
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + resets:
> + maxItems: 1
> +
> + clocks:
> + minItems: 1
> + maxItems: 1

You can drop the minItems there

> + nvmem-cells:
> + items:
> + - description: ths calibrate data
> +
> + nvmem-cell-names:
> + items:
> + - const: calib

And for these two, you don't need the items either, it can be directly
const: calib (and the description for the first one).

> +required:
> + - compatible
> + - reg
> + - reset
> + - clocks
> + - clock-names
> + - interrupts
> + - '#thermal-sensor-cells'
> +
> +examples:
> + - |
> + ths: ths@5070400 {
> + compatible = "allwinner,sun50i-h6-ths";
> + reg = <0x05070400 0x100>;
> + clocks = <&ccu CLK_BUS_THS>;
> + clock-names = "bus";
> + resets = <&ccu RST_BUS_THS>;
> + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;

Did you try to run make dtbs_check? That one will probably not
compile.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com


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