linux-kernel - [PATCH 11/11] arm64: dts: ti: k3-am65: Enable McASP nodes at the board level

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Date:   Fri, 28 Oct 2022 09:24:17 -0500
From:   Andrew Davis <afd@...com>
To:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bryan Brattlof <bb@...com>, Le Jin <le.jin@...mens.com>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Andrew Davis <afd@...com>
Subject: [PATCH 11/11] arm64: dts: ti: k3-am65: Enable McASP nodes at the board level

McASP nodes defined in the top-level AM65x SoC dtsi files are incomplete
and will not be functional unless they are extended with pinmux
information.

As the pinmux is only known at the board integration level, these
nodes should only be enabled when provided with this information.

Disable the McASP nodes in the dtsi files and only enable the ones that
are actually pinned out on a given board.

Signed-off-by: Andrew Davis <afd@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 12 ------------
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi           |  3 +++
 arch/arm64/boot/dts/ti/k3-am654-base-board.dts     | 12 ------------
 3 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index c6c79dde79c52..3cced26b520a1 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -674,15 +674,3 @@ &mcu_r5fss0_core1 {
 			<&mcu_r5fss0_core1_memory_region>;
 	mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
 };
-
-&mcasp0 {
-	status = "disabled";
-};
-
-&mcasp1 {
-	status = "disabled";
-};
-
-&mcasp2 {
-	status = "disabled";
-};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 3dc624a379c5f..1930da25d2821 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -799,6 +799,7 @@ mcasp0: mcasp@...0000 {
 		clocks = <&k3_clks 104 0>;
 		clock-names = "fck";
 		power-domains = <&k3_pds 104 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
 	};
 
 	mcasp1: mcasp@...0000 {
@@ -816,6 +817,7 @@ mcasp1: mcasp@...0000 {
 		clocks = <&k3_clks 105 0>;
 		clock-names = "fck";
 		power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
 	};
 
 	mcasp2: mcasp@...0000 {
@@ -833,6 +835,7 @@ mcasp2: mcasp@...0000 {
 		clocks = <&k3_clks 106 0>;
 		clock-names = "fck";
 		power-domains = <&k3_pds 106 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
 	};
 
 	cal: cal@...3000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index d1c8047d96726..592ab2b54cb3d 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -487,18 +487,6 @@ &cpsw_port1 {
 	phy-handle = <&phy0>;
 };
 
-&mcasp0 {
-	status = "disabled";
-};
-
-&mcasp1 {
-	status = "disabled";
-};
-
-&mcasp2 {
-	status = "disabled";
-};
-
 &dss {
 	status = "disabled";
 };
-- 
2.37.3