Hi, On Sat, Jan 28, 2017 at 08:22:29PM +0800, Chen-Yu Tsai wrote: > Hi everyone, > > This is v2 of my A80 CCU clk patches. Changes since v1: > > - Use pre-divider adjusted parent rate for rounding. > > - Use else statement for the case where the PLL lock status bit is > in same register. > > - Add a more detailed description of the main CCU and DE CCU to the > commit messages. > > - Fix DE CCU compatible string in DT binding example. > > - Fix incorrectly squashed patch hunk. > > - Drop leading zeros from device tree node name in DT examples. > > - Expanded commit message for "ARM: dts: sun8i-a23-q8-tablet: Drop > pinmux setting for codec PA gpio". > > This series adds new "sunxi-ng" style drivers for the CCUs found in the > Allwinner A80 SoC. The A80 contains 1 main clock control unit, and some > subsystem specific clock control units at separate addresses. These > include the USB, display engine, and MMC. > > - The MMC clocks can be supported by the old clock drivers, > hence here we do not add a new driver for it. > > - The old USB clock driver is intertwined with other SoCs, > requires old style bindings with clock-output-names and > CLK_OF_DECLARE for its parents. It is easier to switch > to a new binding and driver. > > - The display engine (DE) CCU was not supported in the past. > > The A80 CCU also has some quirks about its design. It has > > - Separate registers for PLL lock status > > - P1, P2 dividers, which are power-of-2 and only 1 bit wide > > The first 3 patches fix and extend the behavior of sunxi-ng's > mux clock type, based on the behavior of the clk subsystem's > basic mux clock. > > The fourth patch adds support for checking PLL lock status > bits in separate registers, as opposed to within the PLL's > config register. > > Patches 5 through 7 add drivers for the CCU blocks. > > Patch 8 and 9 do some cleanup of the sunxi/allwinner dts files > prior to switching sun9i dts to the new sunxi-ng clock bindings. > These are independent of the clk stuff, but touch the same lines > for sun9i. Including them should make it easier to apply and test > patches. > > Patch 10 has sun9i switch over to the new clock bindings. > > Please take a look and let me know what you think. This is a bit late, but I took it in anyway. Note that I only applied the patches about the CCU. The pinctrl header stuff is quite conflict heavy, and not really a big deal anyway. (and I really would have liked to have it as a separate series. This has nothing to do with the A80 CCU). Thanks, Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
Attachment:
signature.asc
Description: PGP signature
