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-rw-r--r--arch/arm/boot/dts/imx6dl-b1x5v2.dtsi57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6dl-b1x5v2.dtsi b/arch/arm/boot/dts/imx6dl-b1x5v2.dtsi
new file mode 100644
index 000000000..f028b6a19
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-b1x5v2.dtsi
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0 or MIT
+//
+// Device Tree Source for General Electric B1x5v2
+// patient monitor series
+//
+// Copyright 2018-2021 General Electric Company
+// Copyright 2018-2021 Collabora
+
+#include <dt-bindings/input/input.h>
+#include "imx6dl-b1x5pv2.dtsi"
+
+/ {
+ reg_3v3_acm: regulator-3v3-acm {
+ compatible = "regulator-fixed";
+ regulator-name = "3V3 ACM";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ vin-supply = <&reg_3v3>;
+ };
+};
+
+&i2c1 {
+ tca6416: gpio-controller@21 {
+ compatible = "ti,tca6416";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ reset-gpios = <&tca6424a 9 GPIO_ACTIVE_LOW>;
+ vcc-supply = <&reg_3v3_acm>;
+ gpio-line-names = "ACM1_EN", "ACM1_CL0", "ACM1_CL1", "ACM1_CL2",
+ "", "ACM2_EN", "ACM2_CL0", "ACM2_CL1",
+ "ACM2_CL2", "", "", "",
+ "", "", "", "";
+
+ /*
+ * The interrupt pin is connected to &tca6424a pin 1, but the Linux
+ * TCA6424 driver cannot handle low type interrupts at the moment
+ * (and support cannot be added without some ugly hacks). Since this
+ * controller does not have any input type GPIOs, just pretend
+ * that the interrupt pin is unconnected.
+ */
+ };
+};
+
+&i2c5 {
+ mpl3115a2: pressure-sensor@60 {
+ compatible = "fsl,mpl3115";
+ reg = <0x60>;
+
+ /*
+ * The MPL3115 interrupts are connected to pin 22 and 23
+ * of &tca6424a, but the binding does not yet support
+ * interrupts.
+ */
+ };
+};