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From: Drew Fustini <dfustini@tenstorrent.com>
Date: Mon, 06 May 2024 21:55:17 -0700
Subject: [PATCH RFC v3 4/7] riscv: dts: thead: Add TH1520 AP_SUBSYS clock
 controller
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Message-Id: <20240506-th1520-clk-v3-4-085a18a23a7f@tenstorrent.com>
References: <20240506-th1520-clk-v3-0-085a18a23a7f@tenstorrent.com>
In-Reply-To: <20240506-th1520-clk-v3-0-085a18a23a7f@tenstorrent.com>
To: Jisheng Zhang <jszhang@kernel.org>, Guo Ren <guoren@kernel.org>, 
 Fu Wei <wefu@redhat.com>, Yangtao Li <frank.li@vivo.com>, 
 Thomas Bonnefille <thomas.bonnefille@bootlin.com>, 
 Emil Renner Berthing <emil.renner.berthing@canonical.com>, 
 Michael Turquette <mturquette@baylibre.com>, 
 Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, 
 Paul Walmsley <paul.walmsley@sifive.com>, 
 Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>
Cc: linux-riscv@lists.infradead.org, linux-clk@vger.kernel.org, 
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 
 Drew Fustini <dfustini@tenstorrent.com>

Add node for the AP_SUBSYS clock controller on the T-Head TH1520 SoC.

Link: https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index d2fa25839012..e193f8d9ab8a 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -5,6 +5,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/thead,th1520-clk-ap.h>
 
 / {
 	compatible = "thead,th1520";
@@ -161,6 +162,14 @@ soc {
 		dma-noncoherent;
 		ranges;
 
+		clk: clock-controller@ffef010000 {
+			compatible = "thead,th1520-clk-ap";
+			reg = <0xff 0xef010000 0x0 0x1000>;
+			clocks = <&osc>;
+			clock-names = "osc";
+			#clock-cells = <1>;
+		};
+
 		plic: interrupt-controller@ffd8000000 {
 			compatible = "thead,th1520-plic", "thead,c900-plic";
 			reg = <0xff 0xd8000000 0x0 0x01000000>;

-- 
2.34.1