rockchip: rk3188: Add header files for PMU and GRF

PMU is the power management unit and GRF is the general register file. Both
are heavily used in U-Boot. Add header files with register definitions.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/include/asm/arch-rockchip/pmu_rk3188.h b/arch/arm/include/asm/arch-rockchip/pmu_rk3188.h
new file mode 100644
index 0000000..d3feac3
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/pmu_rk3188.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2016 Heiko Stuebner <heiko@sntech.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_PMU_RK3188_H
+#define _ASM_ARCH_PMU_RK3188_H
+
+struct rk3188_pmu {
+	u32 wakeup_cfg[2];
+	u32 pwrdn_con;
+	u32 pwrdn_st;
+
+	u32 int_con;
+	u32 int_st;
+	u32 misc_con;
+
+	u32 osc_cnt;
+	u32 pll_cnt;
+	u32 pmu_cnt;
+	u32 ddrio_pwron_cnt;
+	u32 wakeup_rst_clr_cnt;
+	u32 scu_pwrdwn_cnt;
+	u32 scu_pwrup_cnt;
+	u32 misc_con1;
+	u32 gpio0_con;
+
+	u32 sys_reg[4];
+	u32 reserved0[4];
+	u32 stop_int_dly;
+	u32 gpio0_p[2];
+};
+check_member(rk3188_pmu, gpio0_p[1], 0x0068);
+
+#endif