--- zzzz-none-000/linux-3.10.107/arch/arm/mach-omap2/prcm-common.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-omap2/prcm-common.h	2021-02-04 17:41:59.000000000 +0000
@@ -48,6 +48,24 @@
 #define OMAP3430_NEON_MOD				0xb00
 #define OMAP3430ES2_USBHOST_MOD				0xc00
 
+/*
+ * TI81XX PRM module offsets
+ */
+#define TI814X_PRM_DSP_MOD				0x0a00
+#define TI814X_PRM_HDVICP_MOD				0x0c00
+#define TI814X_PRM_ISP_MOD				0x0d00
+#define TI814X_PRM_HDVPSS_MOD				0x0e00
+#define TI814X_PRM_GFX_MOD				0x0f00
+
+#define TI81XX_PRM_DEVICE_MOD			0x0000
+#define TI816X_PRM_ACTIVE_MOD			0x0a00
+#define TI81XX_PRM_DEFAULT_MOD			0x0b00
+#define TI816X_PRM_IVAHD0_MOD			0x0c00
+#define TI816X_PRM_IVAHD1_MOD			0x0d00
+#define TI816X_PRM_IVAHD2_MOD			0x0e00
+#define TI816X_PRM_SGX_MOD				0x0f00
+#define TI81XX_PRM_ALWON_MOD			0x1800
+
 /* 24XX register bits shared between CM & PRM registers */
 
 /* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
@@ -416,6 +434,28 @@
 #define MAX_IOPAD_LATCH_TIME			100
 # ifndef __ASSEMBLER__
 
+#include <linux/delay.h>
+
+/**
+ * omap_test_timeout - busy-loop, testing a condition
+ * @cond: condition to test until it evaluates to true
+ * @timeout: maximum number of microseconds in the timeout
+ * @index: loop index (integer)
+ *
+ * Loop waiting for @cond to become true or until at least @timeout
+ * microseconds have passed.  To use, define some integer @index in the
+ * calling code.  After running, if @index == @timeout, then the loop has
+ * timed out.
+ */
+#define omap_test_timeout(cond, timeout, index)			\
+({								\
+	for (index = 0; index < timeout; index++) {		\
+		if (cond)					\
+			break;					\
+		udelay(1);					\
+	}							\
+})
+
 /**
  * struct omap_prcm_irq - describes a PRCM interrupt bit
  * @name: a short name describing the interrupt type, e.g. "wkup" or "io"
@@ -438,6 +478,7 @@
  * struct omap_prcm_irq_setup - PRCM interrupt controller details
  * @ack: PRM register offset for the first PRM_IRQSTATUS_MPU register
  * @mask: PRM register offset for the first PRM_IRQENABLE_MPU register
+ * @pm_ctrl: PRM register offset for the PRM_IO_PMCTRL register
  * @nr_regs: number of PRM_IRQ{STATUS,ENABLE}_MPU* registers
  * @nr_irqs: number of entries in the @irqs array
  * @irqs: ptr to an array of PRCM interrupt bits (see @nr_irqs)
@@ -446,6 +487,7 @@
  * @ocp_barrier: fn ptr to force buffered PRM writes to complete
  * @save_and_clear_irqen: fn ptr to save and clear IRQENABLE regs
  * @restore_irqen: fn ptr to save and clear IRQENABLE regs
+ * @reconfigure_io_chain: fn ptr to reconfigure IO chain
  * @saved_mask: IRQENABLE regs are saved here during suspend
  * @priority_mask: 1 bit per IRQ, set to 1 if omap_prcm_irq.priority = true
  * @base_irq: base dynamic IRQ number, returned from irq_alloc_descs() in init
@@ -459,14 +501,17 @@
 struct omap_prcm_irq_setup {
 	u16 ack;
 	u16 mask;
+	u16 pm_ctrl;
 	u8 nr_regs;
 	u8 nr_irqs;
 	const struct omap_prcm_irq *irqs;
 	int irq;
+	unsigned int (*xlate_irq)(unsigned int);
 	void (*read_pending_irqs)(unsigned long *events);
 	void (*ocp_barrier)(void);
 	void (*save_and_clear_irqen)(u32 *saved_mask);
 	void (*restore_irqen)(u32 *saved_mask);
+	void (*reconfigure_io_chain)(void);
 	u32 *saved_mask;
 	u32 *priority_mask;
 	int base_irq;
@@ -481,6 +526,26 @@
 	.priority = _priority				\
 	}
 
+/**
+ * struct omap_prcm_init_data - PRCM driver init data
+ * @index: clock memory mapping index to be used
+ * @mem: IO mem pointer for this module
+ * @offset: module base address offset from the IO base
+ * @flags: PRCM module init flags
+ * @device_inst_offset: device instance offset within the module address space
+ * @init: low level PRCM init function for this module
+ * @np: device node for this PRCM module
+ */
+struct omap_prcm_init_data {
+	int index;
+	void __iomem *mem;
+	s16 offset;
+	u16 flags;
+	s32 device_inst_offset;
+	int (*init)(const struct omap_prcm_init_data *data);
+	struct device_node *np;
+};
+
 extern void omap_prcm_irq_cleanup(void);
 extern int omap_prcm_register_chain_handler(
 	struct omap_prcm_irq_setup *irq_setup);