Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1211849

[PATCH 06/11] ARM: DTS: dra7-evm: Audio support

From Peter Ujfalusi <peter.ujfalusi@ti.com>
Newsgroups linux.kernel
Subject [PATCH 06/11] ARM: DTS: dra7-evm: Audio support
Date 2015-08-24 09:30 +0200
Message-ID <q0UmB-SN-1@gated-at.bofh.it> (permalink)
References <q0UmB-SN-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


The board uses tlv320aic3106 codec connected to McASP3. The master clock
for the codec and McASP3 is coming from ATL2.
McASP3 is the master on the I2S bus.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 arch/arm/boot/dts/dra7-evm.dts | 113 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)

diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index 3694046c29eb..1a66d359f3e3 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -9,6 +9,7 @@
 
 #include "dra74x.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clk/ti-dra7-atl.h>
 
 / {
 	model = "TI DRA742";
@@ -64,6 +65,40 @@
 		enable-active-high;
 		gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>;
 	};
+
+	sound0: sound@0 {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "DRA7xx-EVM";
+		simple-audio-card,widgets =
+			"Headphone", "Headphone Jack",
+			"Line", "Line Out",
+			"Microphone", "Mic Jack",
+			"Line", "Line In";
+		simple-audio-card,routing =
+			"Headphone Jack",	"HPLOUT",
+			"Headphone Jack",	"HPROUT",
+			"Line Out",		"LLOUT",
+			"Line Out",		"RLOUT",
+			"MIC3L",		"Mic Jack",
+			"MIC3R",		"Mic Jack",
+			"Mic Jack",		"Mic Bias",
+			"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;
+
+		sound0_master: simple-audio-card,cpu {
+			sound-dai = <&mcasp3>;
+			system-clock-frequency = <5644800>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&tlv320aic3106>;
+			clocks = <&atl_clkin2_ck>;
+		};
+	};
 };
 
 &dra7_pmx_core {
@@ -292,6 +327,31 @@
 			0x418   (MUX_MODE15 | PULL_UP)	/* wakeup0.off */
 		>;
 	};
+
+	atl_pins: pinmux_atl_pins {
+		pinctrl-single,pins = <
+			0x298 (PIN_OUTPUT | MUX_MODE5)	/* xref_clk1.atl_clk1 */
+			0x29c (PIN_OUTPUT | MUX_MODE5)	/* xref_clk2.atl_clk2 */
+		>;
+	};
+
+	mcasp3_pins: pinmux_mcasp3_pins {
+		pinctrl-single,pins = <
+			0x324 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* mcasp3_aclkx */
+			0x328 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* mcasp3_fsx */
+			0x32c (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* mcasp3_axr0 */
+			0x330 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* mcasp3_axr1 */
+		>;
+	};
+
+	mcasp3_sleep_pins: pinmux_mcasp3_sleep_pins {
+		pinctrl-single,pins = <
+			0x324 (MUX_MODE15)
+			0x328 (MUX_MODE15)
+			0x32c (MUX_MODE15)
+			0x330 (MUX_MODE15)
+		>;
+	};
 };
 
 &i2c1 {
@@ -431,6 +491,20 @@
 		#interrupt-cells = <2>;
 	};
 
+	tlv320aic3106: tlv320aic3106@19 {
+		#sound-dai-cells = <0>;
+		compatible = "ti,tlv320aic3106";
+		reg = <0x19>;
+		adc-settle-ms = <40>;
+		ai3x-micbias-vg = <1>;		/* 2.0V */
+		status = "okay";
+
+		/* Regulators */
+		AVDD-supply = <&evm_3v3_sw>;
+		IOVDD-supply = <&evm_3v3_sw>;
+		DRVDD-supply = <&evm_3v3_sw>;
+		DVDD-supply = <&aic_dvdd>;
+	};
 };
 
 &i2c2 {
@@ -730,3 +804,42 @@
 	pinctrl-1 = <&dcan1_pins_sleep>;
 	pinctrl-2 = <&dcan1_pins_default>;
 };
+
+&atl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&atl_pins>;
+
+	assigned-clocks = <&abe_dpll_sys_clk_mux>,
+			  <&atl_gfclk_mux>,
+			  <&dpll_abe_ck>,
+			  <&dpll_abe_m2x2_ck>,
+			  <&atl_clkin2_ck>;
+	assigned-clock-parents = <&sys_clkin2>, <&dpll_abe_m2_ck>;
+	assigned-clock-rates = <0>, <0>, <180633600>, <361267200>, <5644800>;
+
+	status = "okay";
+
+	atl2 {
+		bws = <DRA7_ATL_WS_MCASP2_FSX>;
+		aws = <DRA7_ATL_WS_MCASP3_FSX>;
+	};
+};
+
+&mcasp3 {
+	#sound-dai-cells = <0>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&mcasp3_pins>;
+	pinctrl-1 = <&mcasp3_sleep_pins>;
+
+	assigned-clocks = <&mcasp3_ahclkx_mux>;
+	assigned-clock-parents = <&atl_clkin2_ck>;
+
+	status = "okay";
+
+	op-mode = <0>;          /* MCASP_IIS_MODE */
+	tdm-slots = <2>;
+	/* 4 serializer */
+	serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
+		1 2 0 0
+	>;
+};
-- 
2.5.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH 06/11] ARM: DTS: dra7-evm: Audio support Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-08-24 09:30 +0200

csiph-web