linux-kernel - [PATCH] arm64: dts: zynqmp: Remove si5328 device nodes

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Date:   Mon,  8 Mar 2021 19:54:37 +0800
From:   quanyang.wang@...driver.com
To:     Rob Herring <robh+dt@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        quanyang.wang@...driver.com
Subject: [PATCH] arm64: dts: zynqmp: Remove si5328 device nodes

From: Quanyang Wang <quanyang.wang@...driver.com>

The function of_i2c_get_board_info will call of_modalias_node to check
if a device_node contains "compatible" string. But for the device si5328
at zcu102/zcu106 boards, there is no proper DT bindings for them. So remove
si5328 device nodes from dts files to eliminate the error info in the boot
message:

i2c i2c-10: of_i2c: modalias failure on /axi/i2c@...30000/i2c-mux@...i2c@...lock-generator@69
i2c i2c-10: Failed to create I2C device for /axi/i2c@...30000/i2c-mux@...i2c@...lock-generator@69

Signed-off-by: Quanyang Wang <quanyang.wang@...driver.com>
---
 .../boot/dts/xilinx/zynqmp-zcu102-revA.dts    | 20 +------------------
 .../boot/dts/xilinx/zynqmp-zcu106-revA.dts    | 20 +------------------
 2 files changed, 2 insertions(+), 38 deletions(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
index 12e8bd48dc8c..eca6c2de84a7 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
@@ -580,25 +580,7 @@ i2c@4 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <4>;
-			si5328: clock-generator@69 {/* SI5328 - u20 */
-				reg = <0x69>;
-				/*
-				 * Chip has interrupt present connected to PL
-				 * interrupt-parent = <&>;
-				 * interrupts = <>;
-				 */
-				#address-cells = <1>;
-				#size-cells = <0>;
-				#clock-cells = <1>;
-				clocks = <&refhdmi>;
-				clock-names = "xtal";
-				clock-output-names = "si5328";
-
-				si5328_clk: clk0@0 {
-					reg = <0>;
-					clock-frequency = <27000000>;
-				};
-			};
+			/* SI5328 - u20 */
 		};
 		/* 5 - 7 unconnected */
 	};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
index 18771e868399..eff7c6447087 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
@@ -581,25 +581,7 @@ i2c@4 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <4>;
-			si5328: clock-generator@69 {/* SI5328 - u20 */
-				reg = <0x69>;
-				/*
-				 * Chip has interrupt present connected to PL
-				 * interrupt-parent = <&>;
-				 * interrupts = <>;
-				 */
-				#address-cells = <1>;
-				#size-cells = <0>;
-				#clock-cells = <1>;
-				clocks = <&refhdmi>;
-				clock-names = "xtal";
-				clock-output-names = "si5328";
-
-				si5328_clk: clk0@0 {
-					reg = <0>;
-					clock-frequency = <27000000>;
-				};
-			};
+			/* SI5328 - u20 */
 		};
 		i2c@5 {
 			#address-cells = <1>;
-- 
2.25.1