lib: Add rp2350 files to pico-sdk

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

lib/pico-sdk/rp2350/hardware/structs/pll.h

@@ -0,0 +1,82 @@
+// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT
+
+/**
+ * Copyright (c) 2024 Raspberry Pi Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef _HARDWARE_STRUCTS_PLL_H
+#define _HARDWARE_STRUCTS_PLL_H
+
+/**
+ * \file rp2350/pll.h
+ */
+
+#include "hardware/address_mapped.h"
+#include "hardware/regs/pll.h"
+
+// Reference to datasheet: https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf#tab-registerlist_pll
+//
+// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature)
+// _REG_(x) will link to the corresponding register in hardware/regs/pll.h.
+//
+// Bit-field descriptions are of the form:
+// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION
+
+/// \tag::pll_hw[]
+typedef struct {
+    _REG_(PLL_CS_OFFSET) // PLL_CS
+    // Control and Status
+    // 0x80000000 [31]    LOCK         (0) PLL is locked
+    // 0x40000000 [30]    LOCK_N       (0) PLL is not locked +
+    // 0x00000100 [8]     BYPASS       (0) Passes the reference clock to the output instead of the...
+    // 0x0000003f [5:0]   REFDIV       (0x01) Divides the PLL input reference clock
+    io_rw_32 cs;
+ 
+    _REG_(PLL_PWR_OFFSET) // PLL_PWR
+    // Controls the PLL power modes
+    // 0x00000020 [5]     VCOPD        (1) PLL VCO powerdown +
+    // 0x00000008 [3]     POSTDIVPD    (1) PLL post divider powerdown +
+    // 0x00000004 [2]     DSMPD        (1) PLL DSM powerdown +
+    // 0x00000001 [0]     PD           (1) PLL powerdown +
+    io_rw_32 pwr;
+ 
+    _REG_(PLL_FBDIV_INT_OFFSET) // PLL_FBDIV_INT
+    // Feedback divisor
+    // 0x00000fff [11:0]  FBDIV_INT    (0x000) see ctrl reg description for constraints
+    io_rw_32 fbdiv_int;
+ 
+    _REG_(PLL_PRIM_OFFSET) // PLL_PRIM
+    // Controls the PLL post dividers for the primary output
+    // 0x00070000 [18:16] POSTDIV1     (0x7) divide by 1-7
+    // 0x00007000 [14:12] POSTDIV2     (0x7) divide by 1-7
+    io_rw_32 prim;
+ 
+    _REG_(PLL_INTR_OFFSET) // PLL_INTR
+    // Raw Interrupts
+    // 0x00000001 [0]     LOCK_N_STICKY (0) 
+    io_rw_32 intr;
+ 
+    _REG_(PLL_INTE_OFFSET) // PLL_INTE
+    // Interrupt Enable
+    // 0x00000001 [0]     LOCK_N_STICKY (0) 
+    io_rw_32 inte;
+ 
+    _REG_(PLL_INTF_OFFSET) // PLL_INTF
+    // Interrupt Force
+    // 0x00000001 [0]     LOCK_N_STICKY (0) 
+    io_rw_32 intf;
+ 
+    _REG_(PLL_INTS_OFFSET) // PLL_INTS
+    // Interrupt status after masking & forcing
+    // 0x00000001 [0]     LOCK_N_STICKY (0) 
+    io_ro_32 ints;
+} pll_hw_t;
+/// \end::pll_hw[]
+
+#define pll_sys_hw ((pll_hw_t *)PLL_SYS_BASE)
+#define pll_usb_hw ((pll_hw_t *)PLL_USB_BASE)
+static_assert(sizeof (pll_hw_t) == 0x0020, "");
+
+#endif // _HARDWARE_STRUCTS_PLL_H
+