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From: Neha Malcom Francis <n-francis@ti.com>
To: <robh@kernel.org>, <conor+dt@kernel.org>,
	<krzysztof.kozlowski+dt@linaro.org>, <vigneshr@ti.com>,
	<nm@ti.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<kristo@kernel.org>, <u-kumar1@ti.com>, <n-francis@ti.com>
Subject: [PATCH v4 5/6] arm64: dts: ti: k3-j7200-mcu: Add the MCU domain watchdog instances
Date: Fri, 26 Apr 2024 02:42:32 +0530	[thread overview]
Message-ID: <20240425211233.2006233-6-n-francis@ti.com> (raw)
In-Reply-To: <20240425211233.2006233-1-n-francis@ti.com>

There are 2 watchdog instances in the MCU domain. These instances are
coupled with the MCU domain R55 instances. Reserve them as they are not
used by A72.

Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
---
Changes since v3:
- no change

 .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi      | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index 7cf21c99956e..f6ca4ffb5ee1 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -686,4 +686,30 @@ mcu_mcan1: can@40568000 {
 		bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
 		status = "disabled";
 	};
+
+	/*
+	 * The 2 RTI instances are couple with MCU R5Fs so keeping them
+	 * reserved as these will be used by their respective firmware
+	 */
+	mcu_watchdog0: watchdog@40600000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x40600000 0x00 0x100>;
+		clocks = <&k3_clks 262 1>;
+		power-domains = <&k3_pds 262 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 262 1>;
+		assigned-clock-parents = <&k3_clks 262 5>;
+		/* reserved for MCU_R5F0_0 */
+		status = "reserved";
+	};
+
+	mcu_watchdog1: watchdog@40610000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x40610000 0x00 0x100>;
+		clocks = <&k3_clks 263 1>;
+		power-domains = <&k3_pds 263 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 263 1>;
+		assigned-clock-parents = <&k3_clks 263 5>;
+		/* reserved for MCU_R5F0_1 */
+		status = "reserved";
+	};
 };
-- 
2.34.1


  parent reply	other threads:[~2024-04-25 21:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-25 21:12 [PATCH v4 0/6] arm64: dts: ti: k3-j7*: Add missing ESM and Neha Malcom Francis
2024-04-25 21:12 ` [PATCH v4 1/6] arm64: dts: ti: k3-j721e-mcu: Add the WKUP ESM instance Neha Malcom Francis
2024-04-25 21:12 ` [PATCH v4 2/6] arm64: dts: ti: k3-j721e-mcu: Add the MCU domain watchdog instances Neha Malcom Francis
2024-04-25 21:12 ` [PATCH v4 3/6] arm64: dts: ti: k3-j721e-main: Add the MAIN " Neha Malcom Francis
2024-04-25 21:12 ` [PATCH v4 4/6] arm64: dts: ti: k3-j7200-main: " Neha Malcom Francis
2024-04-25 21:12 ` Neha Malcom Francis [this message]
2024-04-25 21:12 ` [PATCH v4 6/6] arm64: dts: ti: k3-j7*-main: Add bootph-pre-ram to main_esm Neha Malcom Francis
2024-04-26 11:12   ` Kumar, Udit
2024-12-04  7:51 ` [PATCH v4 0/6] arm64: dts: ti: k3-j7*: Add missing ESM and Neha Malcom Francis

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