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>

diff --git a/Documentation/devicetree/bindings/rtc/rtc-omap.txt b/Documentation/devicetree/bindings/rtc/rtc-omap.txt
index 4ba4dbd34289b57020d946e537e01799574ff0b2..43a83668673aace3e76a029c1629398aeca8244f 100644 (file)
--- 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 15fbc56596ccab0f9258fc0306cc6118483429cb..6bc8b49bfaaf3bcbff10f585aaa37e52f99bea2c 100644 (file)
--- 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>;