linux-kernel - [PATCH] arm64: dts: meson: kvim3: move hdmi to tdm a

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Date:   Tue, 21 Apr 2020 16:18:14 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Kevin Hilman <khilman@...libre.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: meson: kvim3: move hdmi to tdm a

The tdmout b is physically routed to the 40 pin header and the tdmout c
is routed to the m2 connector. It makes these interfaces poor
candidates to handle the HDMI 8ch i2s link (2ch i2s * 4 lanes) as it would
force the same link format on the related connectors.

Instead use the TDM A interface. This one is not routed to the outside
world on the vim3, so it can only be used for HDMI.

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 .../dts/amlogic/meson-g12b-khadas-vim3.dtsi    | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
index c6c8caed8327..224c890d32d3 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
@@ -51,11 +51,11 @@ vddcpu_b: regulator-vddcpu-b {
 	sound {
 		compatible = "amlogic,axg-sound-card";
 		model = "G12B-KHADAS-VIM3";
-		audio-aux-devs = <&tdmout_b>;
-		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
-				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
-				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
-				"TDM_B Playback", "TDMOUT_B OUT";
+		audio-aux-devs = <&tdmout_a>;
+		audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
+				"TDMOUT_A IN 1", "FRDDR_B OUT 0",
+				"TDMOUT_A IN 2", "FRDDR_C OUT 0",
+				"TDM_A Playback", "TDMOUT_A OUT";
 
 		assigned-clocks = <&clkc CLKID_MPLL2>,
 				  <&clkc CLKID_MPLL0>,
@@ -80,7 +80,7 @@ dai-link-2 {
 
 		/* 8ch hdmi interface */
 		dai-link-3 {
-			sound-dai = <&tdmif_b>;
+			sound-dai = <&tdmif_a>;
 			dai-format = "i2s";
 			dai-tdm-slot-tx-mask-0 = <1 1>;
 			dai-tdm-slot-tx-mask-1 = <1 1>;
@@ -89,7 +89,7 @@ dai-link-3 {
 			mclk-fs = <256>;
 
 			codec {
-				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
+				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
 			};
 		};
 
@@ -182,11 +182,11 @@ &pwm_AO_cd {
 	status = "okay";
 };
 
-&tdmif_b {
+&tdmif_a {
 	status = "okay";
 };
 
-&tdmout_b {
+&tdmout_a {
 	status = "okay";
 };
 
-- 
2.25.2