linux-kernel - [PATCH v5 2/6] arm64: dts: ti: iot2050: Disable SR2.0-only PRUs

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Message-Id: <189a91866fb1af02e4fd2345dc56774aa069d5ba.1632657917.git.jan.kiszka@web.de>
Date:   Sun, 26 Sep 2021 14:05:13 +0200
From:   Jan Kiszka <jan.kiszka@....de>
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>,
        Aswath Govindraju <a-govindraju@...com>,
        Suman Anna <s-anna@...com>
Subject: [PATCH v5 2/6] 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>
Acked-by: Aswath Govindraju <a-govindraju@...com>
Acked-by: Suman Anna <s-anna@...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 6261ca8ee2d8..58c8e64d5885 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -716,3 +716,27 @@ &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