linux-kernel - [PATCH v2 2/4] arm64: dts: ti: iot2050: Disable SR2.0-only PRUs

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Message-Id: <5c2c629db5bf85fd9840e7fde0eeaae081feaa56.1631032682.git.jan.kiszka@siemens.com>
Date:   Tue,  7 Sep 2021 18:38:00 +0200
From:   Jan Kiszka <jan.kiszka@...mens.com>
To:     Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Bao Cheng Su <baocheng.su@...mens.com>,
        Chao Zeng <chao.zeng@...mens.com>
Subject: [PATCH v2 2/4] arm64: dts: ti: iot2050: Disable SR2.0-only PRUs

From: Jan Kiszka <jan.kiszka@...mens.com>

The IOT2050 devices described so far are using SR1.0 silicon, thus do
not have the additional PRUs of the ICSSG of the SR2.0. Disable them.

Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
 .../boot/dts/ti/k3-am65-iot2050-common.dtsi   | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

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 1008e9162ba2..63a28e18a3bf 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -714,3 +714,27 @@ &icssg1_mdio {
 &icssg2_mdio {
 	status = "disabled";
 };
+
+&tx_pru0_0 {
+	status = "disabled";
+};
+
+&tx_pru0_1 {
+	status = "disabled";
+};
+
+&tx_pru1_0 {
+	status = "disabled";
+};
+
+&tx_pru1_1 {
+	status = "disabled";
+};
+
+&tx_pru2_0 {
+	status = "disabled";
+};
+
+&tx_pru2_1 {
+	status = "disabled";
+};
-- 
2.31.1