soc: rockchip: add header for suspend mode SIP interface

Add ROCKCHIP_SIP_SUSPEND_MODE to pass down parameters to Trusted Firmware
in order to decide suspend mode. Currently only add ROCKCHIP_SLEEP_PD_CONFIG
which teaches firmware to power down controllers or not.

Signed-off-by: Shawn Lin <[email protected]>
Acked-by: Heiko Stuebner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>

Author: shawn1221

include/soc/rockchip/rockchip_sip.h

@@ -6,6 +6,9 @@
 #ifndef __SOC_ROCKCHIP_SIP_H
 #define __SOC_ROCKCHIP_SIP_H
 
+#define ROCKCHIP_SIP_SUSPEND_MODE		0x82000003
+#define ROCKCHIP_SLEEP_PD_CONFIG		0xff
+
 #define ROCKCHIP_SIP_DRAM_FREQ			0x82000008
 #define ROCKCHIP_SIP_CONFIG_DRAM_INIT		0x00
 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE	0x01