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 <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index dd1cf016eac19a2441087618df7a343eba348727..81573819e98e0506a40b8b89c4850f8dfbaac624 100644 (file)
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -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
@@ -94,6 +105,7 @@ 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

diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
index 9713fd5a29bad5c9a367e2650d2c18eaff248101..1284b0e80c7f16278e85fc84d860d13f34dfa571 100644 (file)
--- a/arch/arm/mach-sunxi/Makefile
+++ b/arch/arm/mach-sunxi/Makefile
@@ -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