Re: [PATCH v2 2/3] dt-bindings: net: bluetooth: Convert to DT schema

From: gubbaven
Date: Thu May 06 2021 - 13:26:55 EST


Hi Rob Herring,

On 2021-04-21 22:40, Rob Herring wrote:
On Tue, Apr 20, 2021 at 09:56:49PM +0530, Venkata Lakshmi Narayana Gubba wrote:
Converted Qualcomm Bluetooth binidings to DT schema.

Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/net/qualcomm-bluetooth.txt | 69 -----------------
.../bindings/net/qualcomm-bluetooth.yaml | 87 ++++++++++++++++++++++
2 files changed, 87 insertions(+), 69 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
create mode 100644 Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml

diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
new file mode 100644
index 0000000..55cd995
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/qualcomm-bluetooth.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Bluetooth Chips
+
+maintainers:
+ - Rob Herring <robh@xxxxxxxxxx>
+ - Marcel Holtmann <marcel@xxxxxxxxxxxx>

This should be someone that knows and cares about this h/w. I don't.

[Venkata]:
I will remove your name in next patchset.
+
+description:
+ This binding describes Qualcomm UART-attached bluetooth chips.
+
+properties:
+ compatible:
+ enum:
+ - qcom,qca6174-bt
+ - qcom,qca9377-bt
+ - qcom,wcn3990-bt
+ - qcom,wcn3991-bt
+ - qcom,wcn3998-bt
+ - qcom,qca6390-bt
+
+ enable-gpios:
+ maxItems: 1
+ description: gpio specifier used to enable chip
+
+ clocks:
+ maxItems: 1
+ description: clock provided to the controller (SUSCLK_32KHZ)
+
+ vddio-supply:
+ description: VDD_IO supply regulator handle
+
+ vddxo-supply:
+ description: VDD_XO supply regulator handle
+
+ vddrf-supply:
+ description: VDD_RF supply regulator handle
+
+ vddch0-supply:
+ description: VDD_CH0 supply regulator handle
+
+ max-speed:
+ description: see Documentation/devicetree/bindings/serial/serial.yaml
+
+ firmware-name:
+ description: specify the name of nvm firmware to load
+
+ local-bd-address:
+ description: see Documentation/devicetree/bindings/net/bluetooth.txt
+
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ uart {
+ label = "BT-UART";

Why do you need a label for in internal port where you've described the
connection?

[Venkata]:
I will remove in next patchset.
+ status = "okay";

Don't show status in examples.

[Venkata]:
Sure, I will remove in next patchset.
+
+ bluetooth {
+ compatible = "qcom,qca6174-bt";
+ enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
+ clocks = <&divclk4>;
+ firmware-name = "nvm_00440302.bin";
+ };
+ };
+ - |
+ uart {
+
+ bluetooth {
+ compatible = "qcom,wcn3990-bt";
+ vddio-supply = <&vreg_s4a_1p8>;
+ vddxo-supply = <&vreg_l7a_1p8>;
+ vddrf-supply = <&vreg_l17a_1p3>;
+ vddch0-supply = <&vreg_l25a_3p3>;
+ max-speed = <3200000>;
+ firmware-name = "crnv21.bin";
+ };
+ };
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation


Regards,
Venkata.