From ab8909b032ffccc15384879dd5798b8647d6ab8a Mon Sep 17 00:00:00 2001
From: Hai Li <hali@codeaurora.org>
Date: Thu, 11 Jun 2015 10:56:46 -0400
Subject: 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>
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'drivers/gpu/drm/msm/dsi')

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de0400923303..69c13970a36c 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 @@ int msm_dsi_host_power_on(struct mipi_dsi_host *host)
 		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 @@ int msm_dsi_host_power_on(struct mipi_dsi_host *host)
 
 	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 @@ int msm_dsi_host_power_off(struct mipi_dsi_host *host)
 	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);
-- 
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