From ea270ef71db64715cb46d15b85f30e77775ff88a Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Sat, 21 Nov 2020 19:26:32 -0800 Subject: [PATCH] ARM: dts: keystone-k2g-evm: add HDMI and analog audio data The board is using McASP2 for both analog (tlv320aic3106) and HDMI (SiI9022) audio. 12.288MHz oscillator provides the MCLK for both aic3106 and SiI9022. Signed-off-by: Peter Ujfalusi Signed-off-by: Santosh Shilimkar --- arch/arm/boot/dts/keystone-k2g-evm.dts | 112 +++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts index 8b3d64c..14e26a4 100644 --- a/arch/arm/boot/dts/keystone-k2g-evm.dts +++ b/arch/arm/boot/dts/keystone-k2g-evm.dts @@ -46,6 +46,14 @@ regulator-always-on; }; + vcc1v8_ldo2_reg: fixedregulator-vcc1v8-ldo2 { + compatible = "regulator-fixed"; + regulator-name = "ldo2"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + hdmi: connector { compatible = "hdmi-connector"; label = "hdmi"; @@ -58,6 +66,57 @@ }; }; }; + + aud_mclk: aud_mclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <12288000>; + }; + + sound0: sound@0 { + compatible = "simple-audio-card"; + simple-audio-card,name = "K2G-EVM"; + simple-audio-card,widgets = + "Headphone", "Headphone Jack", + "Line", "Line In"; + simple-audio-card,routing = + "Headphone Jack", "HPLOUT", + "Headphone Jack", "HPROUT", + "LINE1L", "Line In", + "LINE1R", "Line In"; + + simple-audio-card,dai-link@0 { + format = "i2s"; + bitclock-master = <&sound0_0_master>; + frame-master = <&sound0_0_master>; + sound0_0_master: cpu { + sound-dai = <&mcasp2>; + clocks = <&k2g_clks 0x6 1>; + system-clock-direction-out; + }; + + codec { + sound-dai = <&tlv320aic3106>; + clocks = <&aud_mclk>; + }; + }; + + simple-audio-card,dai-link@1 { + format = "i2s"; + bitclock-master = <&sound0_1_master>; + frame-master = <&sound0_1_master>; + sound0_1_master: cpu { + sound-dai = <&mcasp2>; + clocks = <&k2g_clks 0x6 1>; + system-clock-direction-out; + }; + + codec { + sound-dai = <&sii9022>; + clocks = <&aud_mclk>; + }; + }; + }; }; &k2g_pinctrl { @@ -214,6 +273,15 @@ K2G_CORE_IOPAD(0x10e8) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssfid.dssfid */ >; }; + + mcasp2_pins: pinmux_mcasp2_pins { + pinctrl-single,pins = < + K2G_CORE_IOPAD(0x1234) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE4) /* pr0_pru_gpo2.mcasp2_axr2 */ + K2G_CORE_IOPAD(0x1238) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE4) /* pr0_pru_gpo3.mcasp2_axr3 */ + K2G_CORE_IOPAD(0x1254) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE4) /* pr0_pru_gpo10.mcasp2_afsx */ + K2G_CORE_IOPAD(0x125c) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE4) /* pr0_pru_gpo12.mcasp2_aclkx */ + >; + }; }; &uart0 { @@ -423,6 +491,10 @@ compatible = "sil,sii9022"; reg = <0x3b>; + sil,i2s-data-lanes = < 0 >; + clocks = <&aud_mclk>; + clock-names = "mclk"; + ports { #address-cells = <1>; #size-cells = <0>; @@ -444,6 +516,19 @@ }; }; }; + + tlv320aic3106: tlv320aic3106@1b { + #sound-dai-cells = <0>; + compatible = "ti,tlv320aic3106"; + reg = <0x1b>; + status = "okay"; + + /* Regulators */ + AVDD-supply = <&vcc3v3_dcin_reg>; + IOVDD-supply = <&vcc3v3_dcin_reg>; + DRVDD-supply = <&vcc3v3_dcin_reg>; + DVDD-supply = <&vcc1v8_ldo2_reg>; + }; }; &dss { @@ -458,3 +543,30 @@ }; }; }; + +&k2g_clks { + /* on the board 22.5792MHz is connected to AUDOSC_IN */ + assigned-clocks = <&k2g_clks 0x4c 2>; + assigned-clock-rates = <22579200>; +}; + +&mcasp2 { + #sound-dai-cells = <0>; + + pinctrl-names = "default"; + pinctrl-0 = <&mcasp2_pins>; + + assigned-clocks = <&k2g_clks 0x6 1>; + assigned-clock-parents = <&k2g_clks 0x6 2>; + + status = "okay"; + + op-mode = <0>; /* MCASP_IIS_MODE */ + tdm-slots = <2>; + /* 6 serializer */ + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ + 0 0 1 2 0 0 // AXR2: TX, AXR3: rx + >; + tx-num-evt = <32>; + rx-num-evt = <32>; +}; -- 2.7.4