[PATCH 0/4] Add framework to support clkout

Tushar Behera tushar.behera at linaro.org
Fri May 9 06:00:06 PDT 2014


The MUX/GATE register for XCLKOUT doesn't resides within PMU domain,
this can be accessed through a regmap provided by syscon driver. Adding
another clock provider to handle regmap based handing of XCLKOUT.

Dependency:
1. [PATCH v3] mfd: syscon: Support early initialization
http://article.gmane.org/gmane.linux.kernel/1679446

Also we need to find a suitable place to call early_syscon_init(), after
the device tree has been unflattened and before clock initialization.

While testing, I called this before of_clk_init() in arch/arm/kernel/time.c,
but that place is too generic. Calling anywhere from exynos.c is not
working ATM.

Tushar Behera (4):
  clk: samsung: out: Add infrastructure to register CLKOUT
  clk: samsung: exynos5420: Add xclkout debug clock
  clk: samsung: exynos5250: Add xclkout debug clock
  ARM: dts: Add pmu-syscon handle for Exynos5420/Exynos5250 clock

 arch/arm/boot/dts/exynos5250.dtsi      |    1 +
 arch/arm/boot/dts/exynos5420.dtsi      |    1 +
 drivers/clk/samsung/Makefile           |    2 +-
 drivers/clk/samsung/clk-exynos5250.c   |   14 +++
 drivers/clk/samsung/clk-exynos5420.c   |   14 +++
 drivers/clk/samsung/clk-out.c          |  181 ++++++++++++++++++++++++++++++++
 drivers/clk/samsung/clk.h              |   33 ++++++
 include/dt-bindings/clock/exynos5250.h |    3 +
 include/dt-bindings/clock/exynos5420.h |    5 +-
 9 files changed, 252 insertions(+), 2 deletions(-)
 create mode 100644 drivers/clk/samsung/clk-out.c

-- 
1.7.9.5




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