From: Viorel Suman <viorel.suman@xxxxxxx> XCVR (Audio Transceiver) is a new IP module found on i.MX8MP. Signed-off-by: Viorel Suman <viorel.suman@xxxxxxx> --- .../devicetree/bindings/sound/fsl,xcvr.yaml | 103 +++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl,xcvr.yaml diff --git a/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml new file mode 100644 index 00000000..8abab2d --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/fsl,xcvr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Audio Transceiver (XCVR) Controller + +maintainers: + - Viorel Suman <viorel.suman@xxxxxxx> + +properties: + $nodename: + pattern: "^xcvr@.*" + + compatible: + const: fsl,imx8mp-xcvr + + reg: + items: + - description: 20K RAM for code and data + - description: registers space + - description: RX FIFO address + - description: TX FIFO address + + reg-names: + items: + - const: ram + - const: regs + - const: rxfifo + - const: txfifo + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Peripheral clock + - description: PHY clock + - description: SPBA clock + - description: PLL clock + + clock-names: + items: + - const: ipg + - const: phy + - const: spba + - const: pll_ipg + + dmas: + maxItems: 2 + + dma-names: + items: + - const: rx + - const: tx + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + const: imx/xcvr/xcvr-imx8mp.bin + description: | + Should contain the name of the default firmware image + file located on the firmware search path + + resets: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + - clock-names + - dmas + - dma-names + - firmware-name + - resets + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/imx8mp-clock.h> + #include <dt-bindings/reset/imx8mp-reset.h> + + xcvr: xcvr@30cc0000 { + compatible = "fsl,imx8mp-xcvr"; + reg = <0x30cc0000 0x800>, + <0x30cc0800 0x400>, + <0x30cc0c00 0x080>, + <0x30cc0e00 0x080>; + reg-names = "ram", "regs", "rxfifo", "txfifo"; + interrupts = <0x0 128 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_IPG>, + <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_PHY>, + <&audiomix_clk IMX8MP_CLK_AUDIOMIX_SPBA2_ROOT>, + <&audiomix_clk IMX8MP_CLK_AUDIOMIX_AUDPLL_ROOT>; + clock-names = "ipg", "phy", "spba", "pll_ipg"; + dmas = <&sdma2 30 2 0>, <&sdma2 31 2 0>; + dma-names = "rx", "tx"; + firmware-name = "imx/xcvr/xcvr-imx8mp.bin"; + resets = <&audiomix_reset 0>; + }; -- 2.7.4
