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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/rockchip,rk3576-sai.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip Serial Audio Interface Controller
+
+description:
+ The Rockchip Serial Audio Interface (SAI) controller is a flexible audio
+ controller that implements the I2S, I2S/TDM and the PDM standards.
+
+maintainers:
+ - Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ const: rockchip,rk3576-sai
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ dmas:
+ minItems: 1
+ maxItems: 2
+
+ dma-names:
+ minItems: 1
+ items:
+ - enum: [tx, rx]
+ - const: rx
+
+ clocks:
+ items:
+ - description: master audio clock
+ - description: AHB clock driving the interface
+
+ clock-names:
+ items:
+ - const: mclk
+ - const: hclk
+
+ resets:
+ minItems: 1
+ items:
+ - description: reset for the mclk domain
+ - description: reset for the hclk domain
+
+ reset-names:
+ minItems: 1
+ items:
+ - const: m
+ - const: h
+
+ port:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+
+ power-domains:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 0
+
+ rockchip,sai-rx-route:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description:
+ Defines the mapping of the controller's SDI ports to actual input lanes,
+ as well as the number of input lanes.
+ rockchip,sai-rx-route = <3> would mean sdi3 is receiving from data0, and
+ that there is only one receiving lane.
+ This property's absence is to be understood as only one receiving lane
+ being used if the controller has capture capabilities.
+ maxItems: 4
+ items:
+ minimum: 0
+ maximum: 3
+
+ rockchip,sai-tx-route:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description:
+ Defines the mapping of the controller's SDO ports to actual output lanes,
+ as well as the number of output lanes.
+ rockchip,sai-tx-route = <3> would mean sdo3 is sending to data0, and
+ that there is only one transmitting lane.
+ This property's absence is to be understood as only one transmitting lane
+ being used if the controller has playback capabilities.
+ maxItems: 4
+ items:
+ minimum: 0
+ maximum: 3
+
+required:
+ - compatible
+ - reg
+ - dmas
+ - dma-names
+ - clocks
+ - clock-names
+ - "#sound-dai-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rockchip,rk3576-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/pinctrl/rockchip.h>
+ #include <dt-bindings/power/rockchip,rk3576-power.h>
+ #include <dt-bindings/reset/rockchip,rk3576-cru.h>
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ sai1: sai@2a610000 {
+ compatible = "rockchip,rk3576-sai";
+ reg = <0x0 0x2a610000 0x0 0x1000>;
+ interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru MCLK_SAI1_8CH>, <&cru HCLK_SAI1_8CH>;
+ clock-names = "mclk", "hclk";
+ dmas = <&dmac0 2>, <&dmac0 3>;
+ dma-names = "tx", "rx";
+ power-domains = <&power RK3576_PD_AUDIO>;
+ resets = <&cru SRST_M_SAI1_8CH>, <&cru SRST_H_SAI1_8CH>;
+ reset-names = "m", "h";
+ pinctrl-names = "default";
+ pinctrl-0 = <&sai1m0_lrck
+ &sai1m0_sclk
+ &sai1m0_sdi0
+ &sai1m0_sdo0
+ &sai1m0_sdo1
+ &sai1m0_sdo2
+ &sai1m0_sdo3>;
+ rockchip,sai-tx-route = <3 1 2 0>;
+ #sound-dai-cells = <0>;
+ };
+ };