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authorBrian Norris <briannorris@chromium.org>2016-12-16 16:59:16 -0800
committerMark Brown <broonie@kernel.org>2016-12-19 13:29:27 +0000
commit23e291c2e4c84a40a4b3de8539dec95bfda214f1 (patch)
tree3416c6120ce48a4df0fbf716eeaee5af056d6faa /drivers/spi
parentfafd67940774733fa97f4b09412aea6981b82e0a (diff)
downloadlinux-next-23e291c2e4c84a40a4b3de8539dec95bfda214f1.tar.gz
spi: rockchip: support "sleep" pin configuration
In the pattern of many other devices, support a system-sleep pin configuration. Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-rockchip.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 0f89c2169c24..acf31f36b898 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -17,6 +17,7 @@
#include <linux/dmaengine.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/pm_runtime.h>
@@ -843,6 +844,8 @@ static int rockchip_spi_suspend(struct device *dev)
clk_disable_unprepare(rs->apb_pclk);
}
+ pinctrl_pm_select_sleep_state(dev);
+
return ret;
}
@@ -852,6 +855,8 @@ static int rockchip_spi_resume(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct rockchip_spi *rs = spi_master_get_devdata(master);
+ pinctrl_pm_select_default_state(dev);
+
if (!pm_runtime_suspended(dev)) {
ret = clk_prepare_enable(rs->apb_pclk);
if (ret < 0)