Hi,
On 17/11/2020 12.17, Peter Ujfalusi wrote:
> The board is using McASP2 for both analog (tlv320aic3106) and
> HDMI (SiI9022) audio.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
> ---
> 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 8b3d64c913d8..4d7e3514a3a7 100644
> --- a/arch/arm/boot/dts/keystone-k2g-evm.dts
> +++ b/arch/arm/boot/dts/keystone-k2g-evm.dts
> @@ -46,6 +46,14 @@ vcc1v8_ldo1_reg: fixedregulator-vcc1v8-ldo1 {
> 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 @@ hdmi_connector_in: endpoint {
> };
> };
> };
> +
> + 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>;
> + system-clock-frequency = <12288000>;
I think it would be better to use:
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>;
> + system-clock-frequency = <12288000>;
and here as well:
clocks = <&aud_mclk>;
> + };
> + };
> + };
> +
> + sii9022_mclk: sii9022_mclk {
and rename the fixed clock to aud_mclk as the same clock is connected to
both aic3106 and SiI9022
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <12288000>;
> + };
> };
>
> &k2g_pinctrl {
> @@ -214,6 +273,15 @@ K2G_CORE_IOPAD(0x10e4) (BUFFER_CLASS_B | PULL_DISABLE |
> MUX_MODE0) /* dssde.dssd
> 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 @@ sii9022: sii9022@3b {
> compatible = "sil,sii9022";
> reg = <0x3b>;
>
> + sil,i2s-data-lanes = < 0 >;
> + clocks = <&sii9022_mclk>;
> + clock-names = "mclk";
> +
> ports {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -444,6 +516,19 @@ sii9022_out: endpoint {
> };
> };
> };
> +
> + 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 @@ dpi_out: endpoint {
> };
> };
> };
> +
> +&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>;
> +};
>
- Péter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
