[PATCH v1 08/10] dt-bindings: dsp: add Fortemedia FM34 DSP

Svyatoslav Ryhel
2023-02-21T18:33:03Z

Add dt-binding for Fortemedia FM34NE DSP.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
.../bindings/dsp/fortemedia,dsp.yaml | 95 +++++++++++++++++++
1 file changed, 95 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml

diff --git a/Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml b/Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml
new file mode 100644
index 000000000000..78f30969d9bf
--- /dev/null
+++ b/Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dsp/fortemedia,dsp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Fortemedia DSP core
+
+maintainers:
+ - Svyatoslav Ryhel <clamor95@gmail.com>
+
+description: |
+ Asus Transformer T20/T30 tablet family contains a DSP core
+ used for advanced noise cancellation.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - asus,tf101-dsp
+ - asus,tf201-dsp
+ - asus,tf300t-dsp
+ - asus,tf700t-dsp
+ - pegatron,chagall-dsp
+
+ - const: fortemedia,fm34
+
+ reg:
+ maxItems: 1
+
+ bypass-gpios:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ vdd-supply: true
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: mclk
+
+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clock-parents:
+ maxItems: 1
+
+ assigned-clock-rates:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - vdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/tegra30-car.h>
+ #include <dt-bindings/soc/tegra-pmc.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dsp@60 {
+ compatible = "asus,tf201-dsp", "fortemedia,fm34";
+ reg = <0x60>;
+
+ bypass-gpios = <&gpio 222 0>;
+ reset-gpios = <&gpio 115 1>;
+
+ vdd-supply = <&vdd_1v8_dsp>;
+
+ clocks = <&tegra_pmc TEGRA_PMC_CLK_OUT_1>;
+ clock-names = "mclk";
+
+ assigned-clocks = <&tegra_pmc TEGRA_PMC_CLK_OUT_1>;
+ assigned-clock-parents = <&tegra_car TEGRA30_CLK_EXTERN1>;
+ };
+ };
+
+ vdd_1v8_dsp: regulator-dsp {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_1v8_dsp";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpio 165 0>;
+ enable-active-high;
+ };
--
2.37.2