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 <peter.ujfalusi@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>

diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts
index 8b3d64c..14e26a4 100644 (file)
--- 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>;
+};