linux-kernel - [RFC 11/11] ARM: dts: sp7021-cpu: Add dummy UART0 clock and interrupt

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Date:   Sun,  8 Mar 2020 17:32:29 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Wells Lu 呂芳騰 
        <wells.lu@...plus.com>, Dvorkin Dmitry <dvorkin@...bo.com>,
        linux-kernel@...r.kernel.org,
        Andreas Färber <afaerber@...e.de>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: [RFC 11/11] ARM: dts: sp7021-cpu: Add dummy UART0 clock and interrupt

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 arch/arm/boot/dts/pentagram-sp7021-bpi-f2s.dts | 7 +++++++
 arch/arm/boot/dts/pentagram-sp7021-cpu.dtsi    | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/pentagram-sp7021-bpi-f2s.dts b/arch/arm/boot/dts/pentagram-sp7021-bpi-f2s.dts
index 3c25b6e79fe2..455416ce9d82 100644
--- a/arch/arm/boot/dts/pentagram-sp7021-bpi-f2s.dts
+++ b/arch/arm/boot/dts/pentagram-sp7021-bpi-f2s.dts
@@ -15,8 +15,15 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	uart0_clk: clk {
+		compatible = "fixed-clock";
+		clock-frequency = <27000000>;
+		#clock-cells = <0>;
+	};
 };
 
 &uart0 {
 	status = "okay";
+	clocks = <&uart0_clk>;
 };
diff --git a/arch/arm/boot/dts/pentagram-sp7021-cpu.dtsi b/arch/arm/boot/dts/pentagram-sp7021-cpu.dtsi
index 7e424baa9214..48c5986a31ed 100644
--- a/arch/arm/boot/dts/pentagram-sp7021-cpu.dtsi
+++ b/arch/arm/boot/dts/pentagram-sp7021-cpu.dtsi
@@ -86,3 +86,8 @@
 		#interrupt-cells = <2>;
 	};
 };
+
+&uart0 {
+	interrupt-parent = <&intc>;
+	interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
+};
-- 
2.16.4