drm/msm/dsi: Use pinctrl in DSI driver
Some targets use pinctrl framework to configure some
pins. This change allows DSI driver to set default and
sleep pinctrl status.
Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..69c1397 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -20,6 +20,7 @@
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/of_irq.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/spinlock.h>
#include <video/mipi_display.h>
@@ -1919,6 +1920,13 @@
goto fail_disable_reg;
}
+ ret = pinctrl_pm_select_default_state(&msm_host->pdev->dev);
+ if (ret) {
+ pr_err("%s: failed to set pinctrl default state, %d\n",
+ __func__, ret);
+ goto fail_disable_clk;
+ }
+
dsi_timing_setup(msm_host);
dsi_sw_reset(msm_host);
dsi_ctrl_config(msm_host, true, clk_pre, clk_post);
@@ -1931,6 +1939,8 @@
return 0;
+fail_disable_clk:
+ dsi_clk_ctrl(msm_host, 0);
fail_disable_reg:
dsi_host_regulator_disable(msm_host);
unlock_ret:
@@ -1953,6 +1963,8 @@
if (msm_host->disp_en_gpio)
gpiod_set_value(msm_host->disp_en_gpio, 0);
+ pinctrl_pm_select_sleep_state(&msm_host->pdev->dev);
+
msm_dsi_manager_phy_disable(msm_host->id);
dsi_clk_ctrl(msm_host, 0);