poplar: sync up device tree with kernel 4.20

It adds missing pinctrl headers, updates clock header and sync up Poplar
device tree with kernel 4.20 release.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/include/dt-bindings/clock/histb-clock.h b/include/dt-bindings/clock/histb-clock.h
index 181c0f0..136de247 100644
--- a/include/dt-bindings/clock/histb-clock.h
+++ b/include/dt-bindings/clock/histb-clock.h
@@ -22,18 +22,18 @@
 #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_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
@@ -43,7 +43,7 @@
 #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_SDIO0_SAMPLE_CLK		24
 #define HISTB_PCIE_AUX_CLK		25
 #define HISTB_PCIE_PIPE_CLK		26
 #define HISTB_PCIE_SYS_CLK		27
@@ -53,14 +53,30 @@
 #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
+#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 */
diff --git a/include/dt-bindings/pinctrl/hisi.h b/include/dt-bindings/pinctrl/hisi.h
new file mode 100644
index 0000000..0359bfd
--- /dev/null
+++ b/include/dt-bindings/pinctrl/hisi.h
@@ -0,0 +1,74 @@
+/*
+ * This header provides constants for hisilicon pinctrl bindings.
+ *
+ * Copyright (c) 2015 Hisilicon Limited.
+ * Copyright (c) 2015 Linaro Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_HISI_H
+#define _DT_BINDINGS_PINCTRL_HISI_H
+
+/* iomg bit definition */
+#define MUX_M0		0
+#define MUX_M1		1
+#define MUX_M2		2
+#define MUX_M3		3
+#define MUX_M4		4
+#define MUX_M5		5
+#define MUX_M6		6
+#define MUX_M7		7
+
+/* iocg bit definition */
+#define PULL_MASK	(3)
+#define PULL_DIS	(0)
+#define PULL_UP		(1 << 0)
+#define PULL_DOWN	(1 << 1)
+
+/* drive strength definition */
+#define DRIVE_MASK	(7 << 4)
+#define DRIVE1_02MA	(0 << 4)
+#define DRIVE1_04MA	(1 << 4)
+#define DRIVE1_08MA	(2 << 4)
+#define DRIVE1_10MA	(3 << 4)
+#define DRIVE2_02MA	(0 << 4)
+#define DRIVE2_04MA	(1 << 4)
+#define DRIVE2_08MA	(2 << 4)
+#define DRIVE2_10MA	(3 << 4)
+#define DRIVE3_04MA	(0 << 4)
+#define DRIVE3_08MA	(1 << 4)
+#define DRIVE3_12MA	(2 << 4)
+#define DRIVE3_16MA	(3 << 4)
+#define DRIVE3_20MA	(4 << 4)
+#define DRIVE3_24MA	(5 << 4)
+#define DRIVE3_32MA	(6 << 4)
+#define DRIVE3_40MA	(7 << 4)
+#define DRIVE4_02MA	(0 << 4)
+#define DRIVE4_04MA	(2 << 4)
+#define DRIVE4_08MA	(4 << 4)
+#define DRIVE4_10MA	(6 << 4)
+
+/* drive strength definition for hi3660 */
+#define DRIVE6_MASK	(15 << 4)
+#define DRIVE6_04MA	(0 << 4)
+#define DRIVE6_12MA	(4 << 4)
+#define DRIVE6_19MA	(8 << 4)
+#define DRIVE6_27MA	(10 << 4)
+#define DRIVE6_32MA	(15 << 4)
+#define DRIVE7_02MA	(0 << 4)
+#define DRIVE7_04MA	(1 << 4)
+#define DRIVE7_06MA	(2 << 4)
+#define DRIVE7_08MA	(3 << 4)
+#define DRIVE7_10MA	(4 << 4)
+#define DRIVE7_12MA	(5 << 4)
+#define DRIVE7_14MA	(6 << 4)
+#define DRIVE7_16MA	(7 << 4)
+#endif