Basin Cove PMIC is connected to I2C0 bus which is hidden from the OS
and access is going via SCU device, enumerated via PCI.
For now, we add just a minimum support of PMIC device to allow enabling,
e.g. USB OTG, in the OS.
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
.../asm/arch-tangier/acpi/southcluster.asl | 86 +++++++++++++++++++
1 file changed, 86 insertions(+)
diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
index e166e510cb..b08d852e59 100644
--- a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
+++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
@@ -320,6 +320,92 @@ Device (PCI0)
})
}
}
+
+ Device (IPC1)
+ {
+ Name (_ADR, 0x00130000)
+
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (STA_VISIBLE)
+ }
+
+ Device (PMIC)
+ {
+ Name (_ADR, Zero)
+ Name (_HID, "INTC100E")
+ Name (_CID, "INTC100E")
+ Name (_DDN, "Basin Cove PMIC")
+ Name (_DEP, Package ()
+ {
+ IPC1
+ })
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (STA_VISIBLE)
+ }
+
+ Method (_CRS, 0, Serialized)
+ {
+ Name (RBUF, ResourceTemplate()
+ {
+ /*
+ * Shadow registers in SRAM for PMIC:
+ * SRAM PMIC register
+ * --------------------
+ * 0x00- Unknown
+ * 0x03 THRMIRQ (0x04)
+ * 0x04 BCUIRQ (0x05)
+ * 0x05 ADCIRQ (0x06)
+ * 0x06 CHGRIRQ0 (0x07)
+ * 0x07 CHGRIRQ1 (0x08)
+ * 0x08- Unknown
+ * 0x0a PBSTATUS (0x27)
+ * 0x0b- Unknown
+ */
+ Memory32Fixed(ReadWrite, 0xFFFFF610, 0x00000010)
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 30 }
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 23 }
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 52 }
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 51 }
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 50 }
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 27 }
+ Interrupt(ResourceConsumer, Level, ActiveHigh, Shared, ,,
) { 49 }
+ })
+ Return (RBUF)
+ }
+
+ OperationRegion (PMOP, 0x8D, Zero, 0x0100)
+ Field (PMOP, DWordAcc, NoLock, Preserve)
+ {
+ SEL1, 32,
+ SEL2, 32,
+ VCCL, 32,
+ VNNL, 32,
+ AONL, 32,
+ CNTC, 32,
+ CNTN, 32,
+ AONN, 32,
+ CNT1, 32,
+ CNT2, 32,
+ CNT3, 32,
+ FLEX, 32,
+ PRG1, 32,
+ PRG2, 32,
+ PRG3, 32,
+ VLDO, 32,
+ }
+
+ Name (AVBL, Zero)
+ Method (_REG, 2, NotSerialized)
+ {
+ If ((Arg0 == 0x8D))
+ {
+ AVBL = Arg1
+ }
+ }
+ }
+ }
}
Device (FLIS)
--
2.20.1
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
