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

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Message-Id: <20230221183211.21964-9-clamor95@gmail.com>
Date:   Tue, 21 Feb 2023 20:32:09 +0200
From:   Svyatoslav Ryhel <clamor95@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Svyatoslav Ryhel <clamor95@...il.com>,
        Maxim Schwalm <maxim.schwalm@...il.com>,
        Dmitry Osipenko <digetx@...il.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, linux-tegra@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: [PATCH v1 08/10] dt-bindings: dsp: add Fortemedia FM34 DSP

Add dt-binding for Fortemedia FM34NE DSP.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.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@...il.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