ARM: dts: AM4372: Add the am4372-rtc compatible string

am4372-rtc string was already part of dts, introduced to identify
the rtc specific to am4372 family of SoCs. It was removed in one of the
previous patches. Adding back the same with appropriate documentation.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

2 files changed, 3 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/rtc/rtc-omap.txt b/Documentation/devicetree/bindings/rtc/rtc-omap.txt
index 4ba4dbd34289..43a83668673a 100644
--- a/Documentation/devicetree/bindings/rtc/rtc-omap.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc-omap.txt
@@ -8,6 +8,7 @@ Required properties:
                             Wakeup generation for event Alarm. It can also be
                             used to control an external PMIC via the
                             pmic_power_en pin.
+        - "ti,am4372-rtc" - for RTC IP used similar to that on AM437X SoC family.
 - reg: Address range of rtc register set
 - interrupts: rtc timer, alarm interrupts in order
 - interrupt-parent: phandle for the interrupt controller
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 15fbc56596cc..6bc8b49bfaaf 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -330,7 +330,8 @@
                 };
 
                 rtc: rtc@44e3e000 {
-                        compatible = "ti,am3352-rtc", "ti,da830-rtc";
+                        compatible = "ti,am4372-rtc", "ti,am3352-rtc",
+                                     "ti,da830-rtc";
                         reg = <0x44e3e000 0x1000>;
                         interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH
                                       GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;