No need to add hardware spinlock proctection due to add multiple msater channel, so change it to be optional in documentation. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Link: https://lore.kernel.org/r/23d51f5d9c9cc647ad0c5a1fb950d3d9fb9c1303.1564125131.git.baolin.wang@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds the binding documentation for Spreadtrum ADI controller device. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Mark Brown <broonie@kernel.org>