This RFC series is a work on replacing static platform-specific data in
pinctrl-samsung driver with data dynamically parsed from device tree.
It aims at reducing the SoC-specific part of the driver and thus the
amount of modifications to driver sources when adding support for next
SoCs (like Exynos4x12).
Furthermore, moving definitions of pin banks to device tree will allow
to simplify GPIO and GEINT specification to a format similar to used
previously by gpiolib-based implementation, using a phandle to the bank
and pin index inside the bank, e.g.
gpios = <&gpa1 4 0>;
interrupt-parent = <&gpa1>;
interrupts = <4 0>;
Any comments are welcome.
TODO:
- bindings documentation
- per-bank GPIO and GEINT specification
Tomasz Figa (6):
pinctrl: exynos: Parse wakeup-eint parameters from DT
pinctrl: samsung: Parse pin banks from DT
pinctrl: exynos: Remove static platform-specific data
pinctrl: samsung: Parse bank-specific eint offset from DT
ARM: dts: exynos4210: Remove legacy gpio nodes
ARM: dts: exynos4210: Add platform-specific descriptions for pin
controllers
arch/arm/boot/dts/exynos4210-pinctrl-banks.dtsi | 605 ++++++++++++++++++++++++
arch/arm/boot/dts/exynos4210-pinctrl.dtsi | 2 +
arch/arm/boot/dts/exynos4210.dtsi | 241 +---------
drivers/pinctrl/pinctrl-exynos.c | 124 ++---
drivers/pinctrl/pinctrl-exynos.h | 157 ------
drivers/pinctrl/pinctrl-samsung.c | 153 +++++-
drivers/pinctrl/pinctrl-samsung.h | 19 +-
7 files changed, 813 insertions(+), 488 deletions(-)
create mode 100644 arch/arm/boot/dts/exynos4210-pinctrl-banks.dtsi
--
1.7.12
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