From d94f6765048e658bce10acfd60ded0670f6243be Mon Sep 17 00:00:00 2001
From: Vyacheslav Pedash <vyacheslav.pedash@globallogic.com>
Date: Wed, 21 Sep 2022 14:20:40 +0300
Subject: MTX-4638 Rename MTCDT3 -> MTCDT3AC and HW v. 0.2 - > v. 0.1

---
 mtcpmhs/gpio-expander-0.1.dtso | 50 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 mtcpmhs/gpio-expander-0.1.dtso

(limited to 'mtcpmhs/gpio-expander-0.1.dtso')

diff --git a/mtcpmhs/gpio-expander-0.1.dtso b/mtcpmhs/gpio-expander-0.1.dtso
new file mode 100644
index 0000000..0e2f59d
--- /dev/null
+++ b/mtcpmhs/gpio-expander-0.1.dtso
@@ -0,0 +1,50 @@
+/* 
+ * DTS overlay for MTCDT3 0.2 hardware version.
+ */
+
+/dts-v1/;
+/plugin/;
+
+/*
+ * Location(s):
+ * Put: MTCDT3AC/0.1/gpio-expander.dtbo
+ */
+
+#include "am4372.dtsi"
+#include <dt-bindings/pinctrl/am43xx.h>
+#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/gpio/gpio.h>
+
+
+/ {
+    compatible = "ti,am437x-gp-evm", "ti,am4372", "ti,am43";
+    fragment@0 {
+        target-path = "/ocp@44000000/interconnect@48000000/segment@0/target-module@2a000/i2c@0";
+        __overlay__ {
+            gpiom1: gpio@19 {
+                compatible = "nxp,pca9557";
+                gpio-controller;
+                #gpio-cells = <2>;
+                reg = <0x19>;
+                interrupt-parent = <&gpio1>;
+                interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+                interrupt-controller;
+                #interrupt-cells=<2>;
+                gpio-line-names = "", "", "modesel_0", "modesel_1", "termination_en", "RTS_override", "gpio_exp_led", "";
+            }; /*gpio@20*/
+        }; /*overlay*/
+    }; /*fragment@0*/
+
+    fragement@1 {
+        target-path = "/";
+        __overlay__ {
+            leds-exp {
+		        compatible = "gpio-leds";
+                led-gpio {
+                    gpios = <&gpiom1 6 GPIO_ACTIVE_LOW>;
+                    default-state = "off";
+                }; /*led-gpio*/
+            }; /*leds-exp*/
+        }; /*overlay*/
+    }; /*fragement@1*/
+};
-- 
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