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-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts109
1 files changed, 93 insertions, 16 deletions
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 84aa30c3235a..58cfad28f483 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -21,12 +21,11 @@
aliases {
display0 = &lcd0;
- serial3 = &uart3;
};
- vmmcsd_fixed: fixedregulator-sd {
+ evm_v3_3d: fixedregulator-v3_3d {
compatible = "regulator-fixed";
- regulator-name = "vmmcsd_fixed";
+ regulator-name = "evm_v3_3d";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
enable-active-high;
@@ -83,17 +82,6 @@
compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
label = "lcd";
- pinctrl-names = "default";
- pinctrl-0 = <&lcd_pins>;
-
- /*
- * SelLCDorHDMI, LOW to select HDMI. This is not really the
- * panel's enable GPIO, but we don't have HDMI driver support nor
- * support to switch between two displays, so using this gpio as
- * panel's enable should be safe.
- */
- enable-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>;
-
panel-timing {
clock-frequency = <33000000>;
hactive = <800>;
@@ -124,6 +112,32 @@
clock-frequency = <12000000>;
};
+ sound0: sound@0 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "AM437x-GP-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,format = "dsp_b";
+ simple-audio-card,bitclock-master = <&sound0_master>;
+ simple-audio-card,frame-master = <&sound0_master>;
+ simple-audio-card,bitclock-inversion;
+
+ simple-audio-card,cpu {
+ sound-dai = <&mcasp1>;
+ system-clock-frequency = <12000000>;
+ };
+
+ sound0_master: simple-audio-card,codec {
+ sound-dai = <&tlv320aic3106>;
+ system-clock-frequency = <12000000>;
+ };
+ };
};
&am43xx_pinmux {
@@ -270,7 +284,7 @@
>;
};
- lcd_pins: lcd_pins {
+ display_mux_pins: display_mux_pins {
pinctrl-single,pins = <
/* GPIO 5_8 to select LCD / HDMI */
0x238 (PIN_OUTPUT_PULLUP | MUX_MODE7)
@@ -409,6 +423,24 @@
0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_rtsn.uart3_rtsn */
>;
};
+
+ mcasp1_pins: mcasp1_pins {
+ pinctrl-single,pins = <
+ 0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */
+ >;
+ };
+
+ mcasp1_sleep_pins: mcasp1_sleep_pins {
+ pinctrl-single,pins = <
+ 0x108 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
};
&i2c0 {
@@ -521,6 +553,19 @@
};
};
};
+
+ tlv320aic3106: tlv320aic3106@1b {
+ #sound-dai-cells = <0>;
+ compatible = "ti,tlv320aic3106";
+ reg = <0x1b>;
+ status = "okay";
+
+ /* Regulators */
+ IOVDD-supply = <&evm_v3_3d>; /* V3_3D -> <tps63031> EN: V1_8D -> VBAT */
+ AVDD-supply = <&evm_v3_3d>; /* v3_3AUD -> V3_3D -> ... */
+ DRVDD-supply = <&evm_v3_3d>; /* v3_3AUD -> V3_3D -> ... */
+ DVDD-supply = <&ldo1>; /* V1_8D -> LDO1 */
+ };
};
&epwmss0 {
@@ -558,13 +603,27 @@
};
&gpio5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&display_mux_pins>;
status = "okay";
ti,no-reset-on-init;
+
+ p8 {
+ /*
+ * SelLCDorHDMI selects between display and audio paths:
+ * Low: HDMI display with audio via HDMI
+ * High: LCD display with analog audio via aic3111 codec
+ */
+ gpio-hog;
+ gpios = <8 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "SelLCDorHDMI";
+ };
};
&mmc1 {
status = "okay";
- vmmc-supply = <&vmmcsd_fixed>;
+ vmmc-supply = <&evm_v3_3d>;
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
@@ -790,3 +849,21 @@
};
};
};
+
+&mcasp1 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mcasp1_pins>;
+ pinctrl-1 = <&mcasp1_sleep_pins>;
+
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ /* 4 serializers */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 0 0 1 2
+ >;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
+};
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