ds1307-hikey960.patch

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 59c7f62..1a2c088 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -423,12 +423,17 @@
                        interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       clock-frequency = <400000>;
+                       clock-frequency = <100000>;
                        clocks = <&crg_ctrl HI3660_CLK_GATE_I2C0>;
                        resets = <&iomcu_rst 0x20 3>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>;
-                       status = "disabled";
+                       status = "ok";
+
+                       rtc@68 {
+                               compatible = "dallas,ds1307";
+                               reg = <0x68>; /* I2C address */
+                       };
                };
 
                i2c1: i2c@ffd72000 {
diff --git a/arch/arm64/configs/hikey960_defconfig b/arch/arm64/configs/hikey960_defconfig
index e0e6afe..ada9d38 100644
--- a/arch/arm64/configs/hikey960_defconfig
+++ b/arch/arm64/configs/hikey960_defconfig
@@ -451,6 +451,10 @@ CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_EFI=y
 CONFIG_RTC_DRV_PL031=y
 CONFIG_RTC_DRV_XGENE=y
+CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1307_CENTURY=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc1"
+CONFIG_RTC_SYSTOHC_DEVICE="rtc1"
 CONFIG_DMADEVICES=y
 CONFIG_HISI_ASP_DMA=y
 CONFIG_VIRTIO_BALLOON=y