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sunxi: Add SUN6I_P2WI kconfig entry

PATCH New Jagan Teki 2 participants 2 messages Mar 19, 2018

Subsystems (3)
Arm (32-bit) Arm sub-architectures Arm/Allwinner sunXi SoC support
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Jagan Teki

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PATCH v5 2/11 sunxi: Add SUN6I_P2WI kconfig entry

Add simple and meaningful kconfig option for p2wi.c instead of using MACH type on Makefile.

Signed-off-by Jagan Teki <[email protected]>
Acked-by Maxime Ripard <[email protected]>

---
Changes for v5:
- Renames I2C_SUN6I_P2WI to SUN6I_P2WI

 arch/arm/mach-sunxi/Kconfig  | 12 ++++++++++++
 arch/arm/mach-sunxi/Makefile |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)
arch/arm/mach-sunxi/Kconfig +12 -0
index 2de35aa602..e2af6a7c12 100644
@@ -6,6 +6,17 @@ config SPL_LDSCRIPT
 config IDENT_STRING
 	default " Allwinner Technology"
 
+config SUN6I_P2WI
+	bool "Allwinner sun6i internal P2WI controller"
+	help
+	  If you say yes to this option, support will be included for the
+	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
+	  SOCs.
+	  The P2WI looks like an SMBus controller (which supports only byte
+	  accesses), except that it only supports one slave device.
+	  This interface is used to connect to specific PMIC devices (like the
+	  AXP221).
+
 config SUN6I_PRCM
 	bool
 	help

@@ -93,6 +104,7 @@ config MACH_SUN6I
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select ARCH_SUPPORT_PSCI
+	select SUN6I_P2WI
 	select SUN6I_PRCM
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
arch/arm/mach-sunxi/Makefile +1 -1
index 9713fd5a29..1284b0e80c 100644
@@ -16,10 +16,10 @@ obj-y	+= pinmux.o
 ifndef CONFIG_MACH_SUN9I
 obj-y	+= usb_phy.o
 endif
+obj-$(CONFIG_SUN6I_P2WI)	+= p2wi.o
 obj-$(CONFIG_SUN6I_PRCM)	+= prcm.o
 obj-$(CONFIG_MACH_SUN8I)	+= prcm.o
 obj-$(CONFIG_MACH_SUN9I)	+= prcm.o
-obj-$(CONFIG_MACH_SUN6I)	+= p2wi.o
 obj-$(CONFIG_MACH_SUN8I)	+= rsb.o
 obj-$(CONFIG_MACH_SUN9I)	+= rsb.o
 obj-$(CONFIG_MACH_SUN4I)	+= clock_sun4i.o
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