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reset: add Tegra186 reset driver

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In Tegra186, on-SoC reset signals are manipulated using IPC requests to
the BPMP (Boot and Power Management Processor). This change implements a
driver that does that. It is unconditionally selected by CONFIG_TEGRA186
since virtually any Tegra186 build of U-Boot will need the feature.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Stephen Warren
2016-08-08 11:28:25 -06:00
committed by Tom Warren
parent d9fd7008f4
commit 4dd99d140c
4 changed files with 91 additions and 0 deletions
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7
drivers/reset/Kconfig
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@@ -20,4 +20,11 @@ config SANDBOX_RESET
simply accepts requests to reset various HW modules without actually
doing anything beyond a little error checking.
config TEGRA186_RESET
bool "Enable Tegra186 BPMP-based reset driver"
depends on TEGRA186_BPMP
help
Enable support for manipulating Tegra's on-SoC reset signals via IPC
requests to the BPMP (Boot and Power Management Processor).
endmenu