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* clk: convert API to match reset/mailbox styleStephen Warren2016-06-19-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following changes are made to the clock API: * The concept of "clocks" and "peripheral clocks" are unified; each clock provider now implements a single set of clocks. This provides a simpler conceptual interface to clients, and better aligns with device tree clock bindings. * Clocks are now identified with a single "struct clk", rather than requiring clients to store the clock provider device and clock identity values separately. For simple clock consumers, this isolates clients from internal details of the clock API. * clk.h is split so it only contains the client/consumer API, whereas clk-uclass.h contains the provider API. This aligns with the recently added reset and mailbox APIs. * clk_ops .of_xlate(), .request(), and .free() are added so providers can customize these operations if needed. This also aligns with the recently added reset and mailbox APIs. * clk_disable() is added. * All users of the current clock APIs are updated. * Sandbox clock tests are updated to exercise clock lookup via DT, and clock enable/disable. * rkclk_get_clk() is removed and replaced with standard APIs. Buildman shows no clock-related errors for any board for which buildman can download a toolchain. test/py passes for sandbox (which invokes the dm clk test amongst others). Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
* Rename reset to sysresetStephen Warren2016-05-26-9/+9
| | | | | | | | | | | | | | The current reset API implements a method to reset the entire system. In the near future, I'd like to introduce code that implements the device tree reset bindings; i.e. the equivalent of the Linux kernel's reset API. This controls resets to individual HW blocks or external chips with reset signals. It doesn't make sense to merge the two APIs into one since they have different semantic purposes. Resolve the naming conflict by renaming the existing reset API to sysreset instead, so the new reset API can be called just reset. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
* board: Add Qualcomm Dragonboard 410C supportMateusz Kulikowski2016-04-01-0/+20
| | | | | | | | | | | | | | | | | | | | | | This commit add support for 96Boards Dragonboard410C. It is board based on APQ8016 Qualcomm SoC, complying with 96boards specification. Features (present out of the box): - 4x Cortex A53 (ARMv8) - 2x USB Host port - 1x USB Device port - 4x LEDs - 1x HDMI connector - 1x uSD connector - 3x buttons (Power, Vol+, Vol-/Reset) - WIFI, Bluetooth with integrated antenna - 8GiB eMMC U-Boot boots chained with fastboot in 64-bit mode. For detailed build instructions see readme.txt in board directory. Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Tested-by: Simon Glass <sjg@chromium.org>
* arm: Add support for Qualcomm Snapdragon familyMateusz Kulikowski2016-04-01-0/+370
First supported chip is APQ8016 (that is compatible with MSM8916). Drivers in SoC code: - Reset controller (PSHOLD) - Clock controller (very simple clock configuration for MMC and UART) Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>