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-rw-r--r--arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 1a8dd23eda33..331b388e1d1b 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -154,16 +154,26 @@
};
};
+/*
+ * The j7200 CPB board is identical to the CPB used for J721E, the SOMs can be
+ * swapped on the CPB.
+ *
+ * main_i2c1 of J7200 is connected to the CPB i2c bus labeled as i2c3.
+ * The i2c1 of the CPB (as it is labeled) is not connected to j7200.
+ */
&main_i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&main_i2c1_pins_default>;
clock-frequency = <400000>;
- exp4: gpio@20 {
+ exp3: gpio@20 {
compatible = "ti,tca6408";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
+ gpio-line-names = "CODEC_RSTz", "CODEC_SPARE1", "UB926_RESETn",
+ "UB926_LOCK", "UB926_PWR_SW_CNTRL",
+ "UB926_TUNER_RESET", "UB926_GPIO_SPARE", "";
};
};