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dm: Add Hardware Spinlock class

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This is uclass for Hardware Spinlocks.
It implements two mandatory operations: lock and unlock
and one optional relax operation.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Benjamin Gaignard
2018-11-27 13:49:50 +01:00
committed by Tom Rini
parent 3b074fb22b
commit 7f84fc670b
13 changed files with 414 additions and 0 deletions
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configs/sandbox_defconfig
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@@ -96,6 +96,8 @@ CONFIG_BOARD=y
CONFIG_BOARD_SANDBOX=y
CONFIG_PM8916_GPIO=y
CONFIG_SANDBOX_GPIO=y
CONFIG_DM_HWSPINLOCK=y
CONFIG_HWSPINLOCK_SANDBOX=y
CONFIG_DM_I2C_COMPAT=y
CONFIG_I2C_CROS_EC_TUNNEL=y
CONFIG_I2C_CROS_EC_LDO=y