linux-kernel - [PATCH] ARM: DTS: am57xx-beagle-x15: Select SYS

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Message-ID: <1455018417-2608-1-git-send-email-peter.ujfalusi@ti.com>
Date:	Tue, 9 Feb 2016 13:46:57 +0200
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	<tony@...mide.com>
CC:	<linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <robh+dt@...nel.org>, <nm@...com>
Subject: [PATCH] ARM: DTS: am57xx-beagle-x15: Select SYS_CLK2 for audio clocks

The tlv320aic3104 codec's master clock is coming from the SoC's CLKOUT2.
Select the SYS_CLK2 (via divider) as parent clock for CLKOUT2 and select
the same clock (SYS_CLK2) for McASP3 AHCLKX clock as well.
SYS_CLK2 is sourced from an external oscillator running 22.5792MHz and it
is coming in to the SoC via the X1_OSC1.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 arch/arm/boot/dts/am57xx-beagle-x15.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index c37a5193f199..592e65c3a4e0 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -173,6 +173,8 @@
 
 		sound0_master: simple-audio-card,codec {
 			sound-dai = <&tlv320aic3104>;
+			assigned-clocks = <&clkoutmux2_clk_mux>;
+			assigned-clock-parents = <&sys_clk2_dclk_div>;
 			clocks = <&clkout2_clk>;
 		};
 	};
@@ -795,6 +797,8 @@
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&mcasp3_pins_default>;
 	pinctrl-1 = <&mcasp3_pins_sleep>;
+	assigned-clocks = <&mcasp3_ahclkx_mux>;
+	assigned-clock-parents = <&sys_clkin2>;
 	status = "okay";
 
 	op-mode = <0>;	/* MCASP_IIS_MODE */
-- 
2.7.1