From ed3aad5b8268ca335d3cf0998c37523ba05bc670 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Fri, 3 Jul 2020 10:44:43 +0300 Subject: [PATCH] arm64: dts: ti: j721e-common-proc-board: Analog audio support The codec is wired in multi DIN/DOUT setup (DIN1/2/3/4/DOUT1/2/3 is connected to McASP serializer). To support wide range of audio features a generic sound card can not be used since we need to use different reference clock source for 44.1 and 48 KHz family of sampling rates. Depending on the sample size we also need to use different slot width to be able to support 16 and 24 bits. There are couple of notable difference compared to DIN1/DOUT1 mode: the channel mapping is 'random' for first look compared to the single serializer setup: _ _ _ |o|c1 |o|p1 |o|p3 _ | | | | | | |o|c3 |o|c2 |o|p4 |o|p2 ------------------------ c1/2/3 - capture jacks (3rd is line) p1/2/3/4 - playback jacks (4th is line) 2 channel audio (stereo): 0 (left): p1/c1 left 1 (right): p1/c1 right 4 channel audio: 0: p1/c1 left 1: p2/c2 left 2: p1/c1 right 3: p2/c2 right 6 channel audio 0: p1/c1 left 1: p2/c2 left 2: p3/c3 left 3: p1/c1 right 4: p2/c2 right 5: p3/c3 right 8 channel audio 0: p1/c1 left 1: p2/c2 left 2: p3/c3 left 3: p4 left 4: p1/c1 right 5: p2/c2 right 6: p3/c3 right 7: p4 right Signed-off-by: Peter Ujfalusi Signed-off-by: Tero Kristo --- .../dts/ti/k3-j721e-common-proc-board.dts | 136 ++++++++++++++++++ 1 file changed, 136 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts index 1f1fee85acca..165907fe1b0f 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts @@ -34,6 +34,55 @@ gpios = <&wkup_gpio0 7 GPIO_ACTIVE_LOW>; }; }; + + evm_12v0: fixedregulator-evm12v0 { + /* main supply */ + compatible = "regulator-fixed"; + regulator-name = "evm_12v0"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_3v3: fixedregulator-vsys3v3 { + /* Output of LMS140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_5v0: fixedregulator-vsys5v0 { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + + sound0: sound@0 { + compatible = "ti,j721e-cpb-audio"; + model = "j721e-cpb"; + + ti,cpb-mcasp = <&mcasp10>; + ti,cpb-codec = <&pcm3168a_1>; + + clocks = <&k3_clks 184 1>, + <&k3_clks 184 2>, <&k3_clks 184 4>, + <&k3_clks 157 371>, + <&k3_clks 157 400>, <&k3_clks 157 401>; + clock-names = "cpb-mcasp-auxclk", + "cpb-mcasp-auxclk-48000", "cpb-mcasp-auxclk-44100", + "cpb-codec-scki", + "cpb-codec-scki-48000", "cpb-codec-scki-44100"; + }; }; &main_pmx0 { @@ -102,6 +151,26 @@ J721E_IOPAD(0x1e4, PIN_INPUT_PULLUP, 2) /* (Y2) SPI1_D1.I2C6_SDA */ >; }; + + mcasp10_pins_default: mcasp10_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x158, PIN_OUTPUT_PULLDOWN, 12) /* (U23) RGMII5_TX_CTL.MCASP10_ACLKX */ + J721E_IOPAD(0x15c, PIN_OUTPUT_PULLDOWN, 12) /* (U26) RGMII5_RX_CTL.MCASP10_AFSX */ + J721E_IOPAD(0x160, PIN_OUTPUT_PULLDOWN, 12) /* (V28) RGMII5_TD3.MCASP10_AXR0 */ + J721E_IOPAD(0x164, PIN_OUTPUT_PULLDOWN, 12) /* (V29) RGMII5_TD2.MCASP10_AXR1 */ + J721E_IOPAD(0x170, PIN_OUTPUT_PULLDOWN, 12) /* (U29) RGMII5_TXC.MCASP10_AXR2 */ + J721E_IOPAD(0x174, PIN_OUTPUT_PULLDOWN, 12) /* (U25) RGMII5_RXC.MCASP10_AXR3 */ + J721E_IOPAD(0x198, PIN_INPUT_PULLDOWN, 12) /* (V25) RGMII6_TD1.MCASP10_AXR4 */ + J721E_IOPAD(0x19c, PIN_INPUT_PULLDOWN, 12) /* (W27) RGMII6_TD0.MCASP10_AXR5 */ + J721E_IOPAD(0x1a0, PIN_INPUT_PULLDOWN, 12) /* (W29) RGMII6_TXC.MCASP10_AXR6 */ + >; + }; + + audi_ext_refclk2_pins_default: audi_ext_refclk2_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x1a4, PIN_OUTPUT, 3) /* (W26) RGMII6_RXC.AUDIO_EXT_REFCLK2 */ + >; + }; }; &wkup_pmx0 { @@ -401,6 +470,22 @@ reg = <0x22>; gpio-controller; #gpio-cells = <2>; + + p09 { + /* P11 - MCASP/TRACE_MUX_S0 */ + gpio-hog; + gpios = <9 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "MCASP/TRACE_MUX_S0"; + }; + + p10 { + /* P12 - MCASP/TRACE_MUX_S1 */ + gpio-hog; + gpios = <10 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "MCASP/TRACE_MUX_S1"; + }; }; }; @@ -423,6 +508,12 @@ }; }; +&k3_clks { + /* Confiure AUDIO_EXT_REFCLK2 pin as output */ + pinctrl-names = "default"; + pinctrl-0 = <&audi_ext_refclk2_pins_default>; +}; + &main_i2c3 { pinctrl-names = "default"; pinctrl-0 = <&main_i2c3_pins_default>; @@ -434,6 +525,31 @@ gpio-controller; #gpio-cells = <2>; }; + + pcm3168a_1: audio-codec@44 { + compatible = "ti,pcm3168a"; + reg = <0x44>; + + #sound-dai-cells = <1>; + + reset-gpios = <&exp3 0 GPIO_ACTIVE_LOW>; + + /* C_AUDIO_REFCLK2 -> RGMII6_RXC (W26) */ + clocks = <&k3_clks 157 371>; + clock-names = "scki"; + + /* HSDIV3_16FFT_MAIN_4_HSDIVOUT2_CLK -> REFCLK2 */ + assigned-clocks = <&k3_clks 157 371>; + assigned-clock-parents = <&k3_clks 157 400>; + assigned-clock-rates = <24576000>; /* for 48KHz */ + + VDD1-supply = <&vsys_3v3>; + VDD2-supply = <&vsys_3v3>; + VCCAD1-supply = <&vsys_5v0>; + VCCAD2-supply = <&vsys_5v0>; + VCCDA1-supply = <&vsys_5v0>; + VCCDA2-supply = <&vsys_5v0>; + }; }; &main_i2c6 { @@ -486,3 +602,23 @@ <&k3_clks 152 11>, /* PLL18_HSDIV0 */ <&k3_clks 152 18>; /* PLL23_HSDIV0 */ }; + +&mcasp10 { + #sound-dai-cells = <0>; + + pinctrl-names = "default"; + pinctrl-0 = <&mcasp10_pins_default>; + + op-mode = <0>; /* MCASP_IIS_MODE */ + tdm-slots = <2>; + auxclk-fs-ratio = <256>; + + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ + 1 1 1 1 + 2 2 2 0 + >; + tx-num-evt = <0>; + rx-num-evt = <0>; + + status = "okay"; +};