sw/petalinux/dtb: add mux on i2c1

Signed-off-by: Adam Wujek <dev_public@wujek.eu>

sw/petalinux/dtb: add mux on i2c1
Signed-off-by: Adam Wujek <dev_public@wujek.eu>
efe43fea · Adam Wujek · Adam Wujek · 9b7294ef · efe43fea
Commit efe43fea authored Jul 27, 2021 by Adam Wujek Committed by Adam Wujek Aug 02, 2021
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system-user.dtsi .../meta-user/recipes-bsp/device-tree/files/system-user.dtsi +38 -0

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--- a/sw/petalinux/project-spec/meta-user/recipes-bsp/device-tree/files/system-user.dtsi
+++ b/sw/petalinux/project-spec/meta-user/recipes-bsp/device-tree/files/system-user.dtsi
 /include/ "system-conf.dtsi"
 / {
 };
+
+&i2c1 {
+    #address-cells = <1>;
+    #size-cells = <0>;
+    status = "okay";
+    clock-frequency = <400000>;
+    i2c-mux@70 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	compatible = "nxp,pca9548";
+	reg = <0x70>;
+	i2c@0 {
+	    #address-cells = <1>;
+	    #size-cells = <0>;
+	    reg = <0>;
+	};
+	i2c@1 {
+	    #address-cells = <1>;
+	    #size-cells = <0>;
+	    reg = <1>;
+        };
+	i2c@2 {
+	    #address-cells = <1>;
+	    #size-cells = <0>;
+	    reg = <2>;
+	};
+	i2c@4 {
+	    #address-cells = <1>;
+	    #size-cells = <0>;
+	    reg = <4>;
+	};
+	i2c_sfp: i2c@5 {
+	    #address-cells = <1>;
+	    #size-cells = <0>;
+	    reg = <5>;
+	};
+    };
+};