v4.19.13 snapshot.
diff --git a/include/dt-bindings/clock/histb-clock.h b/include/dt-bindings/clock/histb-clock.h
new file mode 100644
index 0000000..136de24
--- /dev/null
+++ b/include/dt-bindings/clock/histb-clock.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016 HiSilicon Technologies Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __DTS_HISTB_CLOCK_H
+#define __DTS_HISTB_CLOCK_H
+
+/* clocks provided by core CRG */
+#define HISTB_OSC_CLK 0
+#define HISTB_APB_CLK 1
+#define HISTB_AHB_CLK 2
+#define HISTB_UART1_CLK 3
+#define HISTB_UART2_CLK 4
+#define HISTB_UART3_CLK 5
+#define HISTB_I2C0_CLK 6
+#define HISTB_I2C1_CLK 7
+#define HISTB_I2C2_CLK 8
+#define HISTB_I2C3_CLK 9
+#define HISTB_I2C4_CLK 10
+#define HISTB_I2C5_CLK 11
+#define HISTB_SPI0_CLK 12
+#define HISTB_SPI1_CLK 13
+#define HISTB_SPI2_CLK 14
+#define HISTB_SCI_CLK 15
+#define HISTB_FMC_CLK 16
+#define HISTB_MMC_BIU_CLK 17
+#define HISTB_MMC_CIU_CLK 18
+#define HISTB_MMC_DRV_CLK 19
+#define HISTB_MMC_SAMPLE_CLK 20
+#define HISTB_SDIO0_BIU_CLK 21
+#define HISTB_SDIO0_CIU_CLK 22
+#define HISTB_SDIO0_DRV_CLK 23
+#define HISTB_SDIO0_SAMPLE_CLK 24
+#define HISTB_PCIE_AUX_CLK 25
+#define HISTB_PCIE_PIPE_CLK 26
+#define HISTB_PCIE_SYS_CLK 27
+#define HISTB_PCIE_BUS_CLK 28
+#define HISTB_ETH0_MAC_CLK 29
+#define HISTB_ETH0_MACIF_CLK 30
+#define HISTB_ETH1_MAC_CLK 31
+#define HISTB_ETH1_MACIF_CLK 32
+#define HISTB_COMBPHY1_CLK 33
+#define HISTB_USB2_BUS_CLK 34
+#define HISTB_USB2_PHY_CLK 35
+#define HISTB_USB2_UTMI_CLK 36
+#define HISTB_USB2_12M_CLK 37
+#define HISTB_USB2_48M_CLK 38
+#define HISTB_USB2_OTG_UTMI_CLK 39
+#define HISTB_USB2_PHY1_REF_CLK 40
+#define HISTB_USB2_PHY2_REF_CLK 41
+#define HISTB_COMBPHY0_CLK 42
+#define HISTB_USB3_BUS_CLK 43
+#define HISTB_USB3_UTMI_CLK 44
+#define HISTB_USB3_PIPE_CLK 45
+#define HISTB_USB3_SUSPEND_CLK 46
+#define HISTB_USB3_BUS_CLK1 47
+#define HISTB_USB3_UTMI_CLK1 48
+#define HISTB_USB3_PIPE_CLK1 49
+#define HISTB_USB3_SUSPEND_CLK1 50
+
+/* clocks provided by mcu CRG */
+#define HISTB_MCE_CLK 1
+#define HISTB_IR_CLK 2
+#define HISTB_TIMER01_CLK 3
+#define HISTB_LEDC_CLK 4
+#define HISTB_UART0_CLK 5
+#define HISTB_LSADC_CLK 6
+
+#endif /* __DTS_HISTB_CLOCK_H */