^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Dialog Semiconductor DA7212/DA7213 Audio Codec bindings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) ======
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - compatible : Should be "dlg,da7212" or "dlg,da7213"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - reg: Specifies the I2C slave address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) - clocks : phandle and clock specifier for codec MCLK.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) - clock-names : Clock name string for 'clocks' attribute, should be "mclk".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) - dlg,micbias1-lvl : Voltage (mV) for Mic Bias 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) [<1600>, <2200>, <2500>, <3000>]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) - dlg,micbias2-lvl : Voltage (mV) for Mic Bias 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) [<1600>, <2200>, <2500>, <3000>]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) - dlg,dmic-data-sel : DMIC channel select based on clock edge.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) ["lrise_rfall", "lfall_rrise"]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) - dlg,dmic-samplephase : When to sample audio from DMIC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) ["on_clkedge", "between_clkedge"]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) - dlg,dmic-clkrate : DMIC clock frequency (Hz).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) [<1500000>, <3000000>]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) - VDDA-supply : Regulator phandle for Analogue power supply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) - VDDMIC-supply : Regulator phandle for Mic Bias
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) - VDDIO-supply : Regulator phandle for I/O power supply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) ======
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) codec_i2c: da7213@1a {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) compatible = "dlg,da7213";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) reg = <0x1a>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) clocks = <&clks 201>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) clock-names = "mclk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) dlg,micbias1-lvl = <2500>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) dlg,micbias2-lvl = <2500>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) dlg,dmic-data-sel = "lrise_rfall";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) dlg,dmic-samplephase = "between_clkedge";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) dlg,dmic-clkrate = <3000000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };