lk2nd: panel: oem_panel: Enable tps65132 for huawei-kiwi

This might need a better solution in the future, but for now lets place
the necessary code directly into oem_panel.

[Raymond: reimplement for huawei-kiwi]

lk2nd/display/panel/oem_panel.c

@@ -3,6 +3,7 @@
 #include <err.h>
 #include <mipi_dsi.h>
 #include <mipi_dsi_i2c.h>
+#include <platform/gpio.h>
 #include <string.h>
 #include <target/display.h>
 
@@ -17,6 +18,14 @@
 uint32_t panel_regulator_settings[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 };
+
+static struct gpio_pin enp_gpio = {
+  "msmgpio", 97, 3, 1, 0, 1
+};
+
+static struct gpio_pin enn_gpio = {
+  "msmgpio", 32, 3, 1, 0, 1
+};
 #endif
 
 int oem_panel_rotation()
@@ -42,14 +51,44 @@ uint32_t oem_panel_max_auto_detect_panels()
 #define _panel_select(panel)	panel_##panel##_select
 #define panel_select(panel)	_panel_select(panel)
 
+#if TARGET_MSM8916
+static int oem_tps65132_ctrl(uint8_t enable)
+{
+	if (enable) {
+		/* for tps65132 ENP pin */
+		gpio_tlmm_config(enp_gpio.pin_id, 0,
+			enp_gpio.pin_direction, enp_gpio.pin_pull,
+			enp_gpio.pin_strength,
+			enp_gpio.pin_state);
+		gpio_set_dir(enp_gpio.pin_id, 2);
+
+		/* for tps65132 ENN pin*/
+		gpio_tlmm_config(enn_gpio.pin_id, 0,
+			enn_gpio.pin_direction, enn_gpio.pin_pull,
+			enn_gpio.pin_strength,
+			enn_gpio.pin_state);
+		gpio_set_dir(enn_gpio.pin_id, 2);
+	} else {
+		gpio_set_dir(enp_gpio.pin_id, 0); /* ENP */
+		gpio_set_dir(enn_gpio.pin_id, 0); /* ENN */
+	}
+	return NO_ERROR;
+}
+#endif
+
 int oem_panel_select(const char *panel_name, struct panel_struct *panel,
 		     struct msm_panel_info *pinfo, struct mdss_dsi_phy_ctrl *phy_db)
 {
+	int enable = 1;
+
 	panel_select(LK2ND_DISPLAY)(panel, pinfo, phy_db);
 	lk2nd_dev.panel.name = panel->paneldata->panel_node_id;
 
 
 #if TARGET_MSM8916
+	if (panel_select(LK2ND_DISPLAY) == panel_cmi_nt35532_5p5_1080pxa_video_select)
+		oem_tps65132_ctrl(enable);
+
 	if (phy_db->regulator_mode == DSI_PHY_REGULATOR_LDO_MODE)
 		memcpy(panel_regulator_settings, ldo_regulator_settings, REGULATOR_SIZE);
 	else