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Message-Id: <20250930-a4_a5_add_clock_driver-v1-9-a9acf7951589@amlogic.com>
Date: Tue, 30 Sep 2025 17:37:22 +0800
From: Chuan Liu via B4 Relay <devnull+chuan.liu.amlogic.com@...nel.org>
To: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Jerome Brunet <jbrunet@...libre.com>, Kevin Hilman <khilman@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-amlogic@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
Xianwei Zhao <xianwei.zhao@...ogic.com>, Chuan Liu <chuan.liu@...ogic.com>
Subject: [PATCH 09/19] arm64: dts: amlogic: A4: Add scmi-clk node
From: Chuan Liu <chuan.liu@...ogic.com>
Add scmi-clk device node information for the Amlogic A4 SoC family.
Signed-off-by: Chuan Liu <chuan.liu@...ogic.com>
---
arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
index 563bc2e662fa..75a87f093d8d 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
@@ -49,6 +49,34 @@ pwrc: power-controller {
#power-domain-cells = <1>;
};
};
+
+ sram0: sram@...33000 {
+ compatible = "mmio-sram";
+ reg = <0x0 0xf7033000 0x0 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x0 0xf7033000 0x100>;
+
+ scmi_buf0: scmi-sram-section@0 {
+ compatible = "arm,scmi-shmem";
+ reg = <0x0 0x100>;
+ };
+ };
+
+ firmware {
+ scmi {
+ compatible = "arm,scmi-smc";
+ arm,smc-id = <0x820000C1>;
+ shmem = <&scmi_buf0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ scmi_clk: protocol@14 {
+ reg = <0x14>;
+ #clock-cells = <1>;
+ };
+ };
+ };
};
&apb {
--
2.42.0
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