lvds: bridge: sn65dsi84 driver porting.

Change-Id: Icc75dcf860fe2539863f31df33c75cbb6b409e41

Author: singhomelee

arch/arm/boot/dts/rk3288-tinker-board.dts

@@ -85,9 +85,6 @@
 			240 241 242 243 244 245 246 247
 			248 249 250 251 252 253 254 255>;
 		default-brightness-level = <128>;
-		enable-gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&bl_en>;
 		pwms = <&pwm0 0 1000000 0>;
 	};
 
@@ -249,6 +246,57 @@
 	};
 };
 
+&pwm3 {
+	status = "disabled";
+};
+
+&backlight {
+		status = "disabled";
+		compatible = "pwm-backlight";
+		pwms = <&pwm3 0 400000 0>;//f=2500 t=400,000ns
+		brightness-levels = <
+			  0   1   2   3   4   5   6   7
+			  8   9  10  11  12  13  14  15
+			 16  17  18  19  20  21  22  23
+			 24  25  26  27  28  29  30  31
+			 32  33  34  35  36  37  38  39
+			 40  41  42  43  44  45  46  47
+			 48  49  50  51  52  53  54  55
+			 56  57  58  59  60  61  62  63
+			 64  65  66  67  68  69  70  71
+			 72  73  74  75  76  77  78  79
+			 80  81  82  83  84  85  86  87
+			 88  89  90  91  92  93  94  95
+			 96  97  98  99 100 101 102 103
+			104 105 106 107 108 109 110 111
+			112 113 114 115 116 117 118 119
+			120 121 122 123 124 125 126 127
+			128 129 130 131 132 133 134 135
+			136 137 138 139 140 141 142 143
+			144 145 146 147 148 149 150 151
+			152 153 154 155 156 157 158 159
+			160 161 162 163 164 165 166 167
+			168 169 170 171 172 173 174 175
+			176 177 178 179 180 181 182 183
+			184 185 186 187 188 189 190 191
+			192 193 194 195 196 197 198 199
+			200 201 202 203 204 205 206 207
+			208 209 210 211 212 213 214 215
+			216 217 218 219 220 221 222 223
+			224 225 226 227 228 229 230 231
+			232 233 234 235 236 237 238 239
+			240 241 242 243 244 245 246 247
+			248 249 250 251 252 253 254 255>;
+		default-brightness-level = <200>;
+		minimal-brightness-level = <26>;
+		soc_enablekl-gpios = <&gpio8 RK_PB1 GPIO_ACTIVE_HIGH>;
+		enable_delay = <15>;
+		disable_delay = <5>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_lvds_bl_en>;
+	};
+
+
 &cif {
 	status = "disabled";
 	port {
@@ -314,7 +362,7 @@
 	enable-delay-ms = <120>;
 	pinctrl-0 = <&lcd_cs>;
 	power-supply = <&vcc33_lan>;
-	status = "okay";
+	status = "disabled";
 
 	display-timings {
 		native-mode = <&timing0>;
@@ -338,7 +386,7 @@
 };
 
 &edp_phy {
-	status = "okay";
+	status = "disabled";
 };
 
 &gpu {
@@ -362,6 +410,11 @@
 		reg = <0>;
 		status = "okay";
 	};
+	port@2 {
+			mipi_dsi_out: endpoint3 {
+				remote-endpoint = <&sn65dsi84_in>;
+			};
+	};
 };
 
 &dsi0_in_vopb {
@@ -701,6 +754,70 @@
 &i2c3 {
 	status = "okay";
 
+	dsi_lvds_bridge: sn65dsi84@2c {
+		compatible = "asus,sn65dsi84";
+		status = "disabled";
+		reg = <0x2c>;
+
+		backlight = <&backlight>;
+
+		lvds-clk-rate = <72000000>;
+		lvds-format = <2>;
+		lvds-bpp = <24>;
+		lvds-width-mm = <476>;
+		lvds-height-mm = <267>;
+		sync_delay = <33>;
+		//dual-link;
+		//test-pattern;
+
+		t1=<0>;
+		t2=<1>;
+		t3=<500>;
+		t4=<200>;
+		t5=<1>;
+		t6=<0>;
+		t7=<1000>;
+
+		bpc=<8>;
+		bus-format = <0x100a>;//<MEDIA_BUS_FMT_RGB888_1X24>;
+		dsi,flags = <0x3>;
+		dsi,format = <0>;//MIPI_DSI_FMT_RGB888:
+		dsi-lanes = <2>;
+
+		pinctrl-names = "default";
+		pinctrl-0 =  <&pinctrl_sn65dsi84_en>, <&pinctrl_lvds_vdd_en>, <&pinctrl_sn65dsi84_irq>, <&pinctrl_pwr_source>;//<&pinctrl_lvds_hdmi_sel>
+
+		/*lvds_hdmi_sel-gpios = <&5 23 GPIO_ACTIVE_HIGH>;*/
+		EN-gpios = <&gpio8 RK_PB0 GPIO_ACTIVE_HIGH>;
+		lvds_vdd_en-gpios = <&gpio8 RK_PA6 GPIO_ACTIVE_HIGH>;
+		dsi84_irq-gpios = <&gpio8 RK_PA7 GPIO_ACTIVE_HIGH>;
+		pwr_source-gpios = <&gpio8 RK_PA3 GPIO_ACTIVE_HIGH>;
+
+		display-timings {
+			lvds {
+				clock-frequency = <144000000>;
+				hactive = <1920>;
+				vactive = <1080>;
+				hfront-porch = <96>;
+				hback-porch = <96>;
+				hsync-len = <64>;
+				vfront-porch = <8>;
+				vsync-len = <4>;
+				vback-porch = <8>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <1>;
+				pixelclk-active = <0>;
+			};
+		};
+
+		port {
+			sn65dsi84_in: endpoint2 {
+				remote-endpoint = <&mipi_dsi_out>;
+			};
+		};
+	};
+
 	tinker_mcu: tinker_mcu@45 {
 		compatible = "tinker_mcu";
 		reg = <0x45>;
@@ -846,12 +963,16 @@
         pinctrl-names = "default";
         pinctrl-0 = <&gpio_init>;
 
+	pcfg_output_low: pcfg-output-low {
+		output-low;
+	};
+
 	gpio_init_config {
 		gpio_init: gpio-init {
-                        rockchip,pins = 
+                        rockchip,pins =
 				<7 22 RK_FUNC_GPIO &pcfg_pull_none>,
 				<7 23 RK_FUNC_GPIO &pcfg_pull_none>;
-		};	
+		};
 	};
 
 	backlight {
@@ -860,6 +981,32 @@
 		};
 	};
 
+ 	mipi_to_lvds {
+		/*pinctrl_lvds_hdmi_sel: lvds_hdmi_sel {
+			rockchip,pins = <0 5 RK_FUNC_GPIO  &pcfg_pull_none>;
+		};*/
+
+		pinctrl_lvds_bl_en: lvds_bl_en {
+			rockchip,pins = <8 RK_PB1 RK_FUNC_GPIO  &pcfg_pull_none>;
+		};
+
+		pinctrl_sn65dsi84_en: sn65dsi84_en {
+			rockchip,pins = <8 RK_PB0 RK_FUNC_GPIO   &pcfg_pull_none>;
+		};
+
+		pinctrl_lvds_vdd_en: lvds_vdd_en {
+			rockchip,pins = <8 RK_PA6 RK_FUNC_GPIO  &pcfg_pull_none>;
+		};
+
+		pinctrl_sn65dsi84_irq: sn65dsi84_irq{
+			rockchip,pins = <8 RK_PA7 RK_FUNC_GPIO  &pcfg_pull_none>;
+		};
+
+		pinctrl_pwr_source: pwr_source {
+			rockchip,pins = <8 RK_PA3 RK_FUNC_GPIO  &pcfg_output_low>;
+		};
+	 };
+
 	buttons {
 		pwrbtn: pwrbtn {
 			rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;

arch/arm/configs/rockchip_linux_defconfig

@@ -563,6 +563,7 @@ CONFIG_ROCKCHIP_DW_HDMI=y
 CONFIG_ROCKCHIP_DW_MIPI_DSI=y
 CONFIG_DRM_PANEL_TOSHIBA_TC358762=y
 CONFIG_DRM_PANEL_ASUS_ILI9881C=y
+CONFIG_DRM_I2C_SN65DSI84=y
 CONFIG_ROCKCHIP_ANALOGIX_DP=y
 CONFIG_ROCKCHIP_INNO_HDMI=y
 CONFIG_ROCKCHIP_LVDS=y

drivers/gpu/drm/bridge/Kconfig

@@ -62,4 +62,6 @@ source "drivers/gpu/drm/bridge/analogix/Kconfig"
 
 source "drivers/gpu/drm/bridge/synopsys/Kconfig"
 
+source "drivers/gpu/drm/bridge/sn65dsi8x/Kconfig"
+
 endmenu

drivers/gpu/drm/bridge/Makefile

@@ -7,5 +7,6 @@ obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o
 obj-$(CONFIG_DRM_LONTIUM_LT8912) += lt8912.o
 obj-$(CONFIG_DRM_CHIPONE_ICN6211) += icn6211.o
 
+obj-$(CONFIG_DRM_I2C_SN65DSI84) += sn65dsi8x/
 obj-y += analogix/
 obj-y += synopsys/

drivers/gpu/drm/bridge/sn65dsi8x/Kconfig

@@ -0,0 +1,7 @@
+config DRM_I2C_SN65DSI84
+	tristate "SN65DSI84"
+	depends on OF
+	select DRM_KMS_HELPER
+	select REGMAP_I2C
+	help
+	  Support for the TI SN65DSI84.

drivers/gpu/drm/bridge/sn65dsi8x/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_DRM_I2C_SN65DSI84) += sn65dsi84_drv.o

drivers/gpu/drm/bridge/sn65dsi8x/sn65dsi84.h

@@ -0,0 +1,77 @@
+/*
+ * Analog Devices ADV7511 HDMI transmitter driver
+ *
+ * Copyright 2012 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef __DRM_I2C_ADV7511_H__
+#define __DRM_I2C_ADV7511_H__
+
+#include <linux/hdmi.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_mipi_dsi.h>
+
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+struct sn65dsi84_data {
+	struct backlight_device *backlight;
+	struct i2c_client *client;
+	struct device *dev;
+
+	unsigned int lvds_clk_rate;
+	unsigned int dsi_lanes;
+	unsigned int lvds_format;;
+	unsigned int lvds_bpp;
+	unsigned int width_mm;
+	unsigned int height_mm;
+	unsigned int sync_delay;
+	unsigned int refclk_multiplier;
+	unsigned int lvds_voltage;
+	bool test_pattern_en;
+	bool dual_link;
+	bool clk_from_refclk;
+	bool enabled;
+	bool debug;
+
+	bool powered;
+
+	struct gpio_desc *lvds_vdd_en_gpio;
+	struct gpio_desc *sn65dsi84_en_gpio;
+	struct gpio_desc *lvds_hdmi_sel_gpio;
+	struct gpio_desc *pwr_source_gpio;
+
+	struct workqueue_struct *wq;
+	struct work_struct work;
+	//unsigned int	dsi84_irq_gpio;
+	struct gpio_desc *dsi84_irq_gpio;
+	unsigned int	dsi84_irq;
+
+	enum drm_connector_status status;
+	struct drm_connector connector;
+	struct device_node *host_node;
+	struct drm_bridge bridge;
+
+	struct mipi_dsi_device *dsi;
+	struct videomode  vm;
+
+	struct drm_display_mode curr_mode;
+	unsigned int bus_format;
+	unsigned int bpc;
+	unsigned int format;
+	unsigned int mode_flags;
+	unsigned int t1;
+	unsigned int t2;
+	unsigned int t3;
+	unsigned int t4;
+	unsigned int t5;
+	unsigned int t6;
+	unsigned int t7;
+};
+#endif /* __DRM_I2C_ADV7511_H__ */