From cb7c47d7066ca9fda053f5cb327ea49e14f42409 Mon Sep 17 00:00:00 2001
From: Michael Turquette <mturquette@baylibre.com>
Date: Mon, 23 May 2016 14:29:13 -0700
Subject: [PATCH] clk: meson: only build selected platforms

Break the AmLogic clock code up so that only the necessary parts are
compiled and linked. The core code is selected by both arm and arm64
builds with COMMON_CLK_AMLOGIC. The individual drivers have their own
config options as well.

Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
---
 drivers/clk/Kconfig        |  1 +
 drivers/clk/Makefile       |  2 +-
 drivers/clk/meson/Kconfig  | 12 ++++++++++++
 drivers/clk/meson/Makefile |  4 ++--
 4 files changed, 16 insertions(+), 3 deletions(-)
 create mode 100644 drivers/clk/meson/Kconfig

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 53ddba26578c..30feb6b40305 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -208,6 +208,7 @@ config COMMON_CLK_OXNAS
 
 source "drivers/clk/bcm/Kconfig"
 source "drivers/clk/hisilicon/Kconfig"
+source "drivers/clk/meson/Kconfig"
 source "drivers/clk/mvebu/Kconfig"
 source "drivers/clk/qcom/Kconfig"
 source "drivers/clk/renesas/Kconfig"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index dcc5e698ff6d..af03eb2f6c05 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -65,7 +65,7 @@ ifeq ($(CONFIG_COMMON_CLK), y)
 obj-$(CONFIG_ARCH_MMP)			+= mmp/
 endif
 obj-y					+= mvebu/
-obj-$(CONFIG_ARCH_MESON)		+= meson/
+obj-$(CONFIG_COMMON_CLK_AMLOGIC)	+= meson/
 obj-$(CONFIG_ARCH_MXS)			+= mxs/
 obj-$(CONFIG_MACH_PISTACHIO)		+= pistachio/
 obj-$(CONFIG_COMMON_CLK_NXP)		+= nxp/
diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
new file mode 100644
index 000000000000..7bb19ad7369e
--- /dev/null
+++ b/drivers/clk/meson/Kconfig
@@ -0,0 +1,12 @@
+config COMMON_CLK_AMLOGIC
+	bool
+	depends on OF
+	depends on ARCH_MESON || COMPILE_TEST
+
+config COMMON_CLK_MESON8B
+	bool
+	depends on COMMON_CLK_AMLOGIC
+	help
+	  Support for the clock controller on AmLogic S805 devices, aka
+	  meson8b. Say Y if you want peripherals and CPU frequency scaling to
+	  work.
diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
index 901b5d435812..b3d60fecd846 100644
--- a/drivers/clk/meson/Makefile
+++ b/drivers/clk/meson/Makefile
@@ -2,5 +2,5 @@
 # Makefile for Meson specific clk
 #
 
-obj-y += clk-pll.o clk-cpu.o
-obj-y += meson8b-clkc.o
+obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-cpu.o
+obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b-clkc.o
-- 
2.11.0