board: sama5d4_xplained: Convert to CONFIG_DM_VIDEO

Convert the board to support the video driver model, add the device
tree node, and remove the unnecessary code.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/at91-sama5d4_xplained.dts

@@ -74,6 +74,31 @@
 
 	ahb {
 		apb {
+			hlcdc: hlcdc@f0000000 {
+				atmel,vl-bpix = <4>;
+				atmel,guard-time = <1>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_pwm &pinctrl_lcd_rgb888>;
+				status = "okay";
+				u-boot,dm-pre-reloc;
+
+				display-timings {
+					u-boot,dm-pre-reloc;
+					480x272 {
+						clock-frequency = <9000000>;
+						hactive = <480>;
+						vactive = <272>;
+						hsync-len = <41>;
+						hfront-porch = <2>;
+						hback-porch = <2>;
+						vfront-porch = <2>;
+						vback-porch = <2>;
+						vsync-len = <11>;
+						u-boot,dm-pre-reloc;
+					};
+				};
+			};
+
 			spi0: spi@f8010000 {
 				u-boot,dm-pre-reloc;
 				cs-gpios = <&pioC 3 0>, <0>, <0>, <0>;

arch/arm/dts/sama5d4.dtsi

@@ -320,31 +320,12 @@
 			u-boot,dm-pre-reloc;
 
 			hlcdc: hlcdc@f0000000 {
-				compatible = "atmel,sama5d4-hlcdc";
+				compatible = "atmel,at91sam9x5-hlcdc";
 				reg = <0xf0000000 0x4000>;
 				interrupts = <51 IRQ_TYPE_LEVEL_HIGH 0>;
 				clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
 				clock-names = "periph_clk","sys_clk", "slow_clk";
 				status = "disabled";
-
-				hlcdc-display-controller {
-					compatible = "atmel,hlcdc-display-controller";
-					#address-cells = <1>;
-					#size-cells = <0>;
-
-					port@0 {
-						#address-cells = <1>;
-						#size-cells = <0>;
-						reg = <0>;
-					};
-				};
-
-				hlcdc_pwm: hlcdc-pwm {
-					compatible = "atmel,hlcdc-pwm";
-					pinctrl-names = "default";
-					pinctrl-0 = <&pinctrl_lcd_pwm>;
-					#pwm-cells = <3>;
-				};
 			};
 
 			dma1: dma-controller@f0004000 {

arch/arm/mach-at91/Kconfig

@@ -186,6 +186,7 @@ config TARGET_SAMA5D4_XPLAINED
 	select SAMA5D4
 	select SUPPORT_SPL
 	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
 
 config TARGET_SAMA5D4EK
 	bool "SAMA5D4 Evaluation Kit"

board/atmel/common/video_display.c

@@ -43,7 +43,7 @@ int at91_video_show_board_info(void)
 	nand_size = 0;
 #ifdef CONFIG_NAND_ATMEL
 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
-		nand_size += nand_info[i]->size;
+		nand_size += get_nand_dev_by_index(i)->size;
 #endif
 
 	len += sprintf(&buf[len], "%ld MB SDRAM, %ld MB NAND\n",

board/atmel/sama5d4_xplained/sama5d4_xplained.c

@@ -14,11 +14,7 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/sama5d3_smc.h>
 #include <asm/arch/sama5d4.h>
-#include <atmel_hlcdc.h>
 #include <debug_uart.h>
-#include <lcd.h>
-#include <nand.h>
-#include <version.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -73,98 +69,15 @@ static void sama5d4_xplained_usb_hw_init(void)
 }
 #endif
 
-#ifdef CONFIG_LCD
-vidinfo_t panel_info = {
-	.vl_col = 480,
-	.vl_row = 272,
-	.vl_clk = 9000000,
-	.vl_bpix = LCD_BPP,
-	.vl_tft = 1,
-	.vl_hsync_len = 41,
-	.vl_left_margin = 2,
-	.vl_right_margin = 2,
-	.vl_vsync_len = 11,
-	.vl_upper_margin = 2,
-	.vl_lower_margin = 2,
-	.mmio = ATMEL_BASE_LCDC,
-};
-
-/* No power up/down pin for the LCD pannel */
-void lcd_enable(void)	{ /* Empty! */ }
-void lcd_disable(void)	{ /* Empty! */ }
-
-unsigned int has_lcdc(void)
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
 {
-	return 1;
-}
-
-static void sama5d4_xplained_lcd_hw_init(void)
-{
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 24, 0);	/* LCDPWM */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 25, 0);	/* LCDDISP */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 26, 0);	/* LCDVSYNC */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 27, 0);	/* LCDHSYNC */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 28, 0);	/* LCDDOTCK */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 29, 0);	/* LCDDEN */
-
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  0, 0);	/* LCDD0 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  1, 0);	/* LCDD1 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  2, 0);	/* LCDD2 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  3, 0);	/* LCDD3 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  4, 0);	/* LCDD4 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  5, 0);	/* LCDD5 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  6, 0);	/* LCDD6 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  7, 0);	/* LCDD7 */
-
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  8, 0);	/* LCDD9 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA,  9, 0);	/* LCDD8 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 10, 0);	/* LCDD10 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 11, 0);	/* LCDD11 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 12, 0);	/* LCDD12 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 13, 0);	/* LCDD13 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 14, 0);	/* LCDD14 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 15, 0);	/* LCDD15 */
-
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 16, 0);	/* LCDD16 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 17, 0);	/* LCDD17 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 18, 0);	/* LCDD18 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 19, 0);	/* LCDD19 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 20, 0);	/* LCDD20 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 21, 0);	/* LCDD21 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 22, 0);	/* LCDD22 */
-	at91_pio3_set_a_periph(AT91_PIO_PORTA, 23, 0);	/* LCDD23 */
-
-	/* Enable clock */
-	at91_periph_clk_enable(ATMEL_ID_LCDC);
-}
-
-#ifdef CONFIG_LCD_INFO
-void lcd_show_board_info(void)
-{
-	ulong dram_size, nand_size;
-	int i;
-	char temp[32];
-
-	lcd_printf("%s\n", U_BOOT_VERSION);
-	lcd_printf("2014 ATMEL Corp\n");
-	lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
-		   strmhz(temp, get_cpu_clk_rate()));
-
-	dram_size = 0;
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
-		dram_size += gd->bd->bi_dram[i].size;
-
-	nand_size = 0;
-#ifdef CONFIG_NAND_ATMEL
-	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
-		nand_size += get_nand_dev_by_index(i)->size;
+#ifdef CONFIG_DM_VIDEO
+	at91_video_show_board_info();
 #endif
-	lcd_printf("%ld MB SDRAM, %ld MB NAND\n",
-		   dram_size >> 20, nand_size >> 20);
+	return 0;
 }
-#endif /* CONFIG_LCD_INFO */
-
-#endif /* CONFIG_LCD */
+#endif
 
 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
 static void sama5d4_xplained_serial3_hw_init(void)
@@ -212,9 +125,6 @@ int board_init(void)
 #ifdef CONFIG_NAND_ATMEL
 	sama5d4_xplained_nand_hw_init();
 #endif
-#ifdef CONFIG_LCD
-	sama5d4_xplained_lcd_hw_init();
-#endif
 #ifdef CONFIG_CMD_USB
 	sama5d4_xplained_usb_hw_init();
 #endif

configs/sama5d4_xplained_mmc_defconfig

@@ -78,3 +78,5 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_DM_VIDEO=y
+CONFIG_ATMEL_HLCD=y

configs/sama5d4_xplained_nandflash_defconfig

@@ -75,3 +75,5 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_DM_VIDEO=y
+CONFIG_ATMEL_HLCD=y

configs/sama5d4_xplained_spiflash_defconfig

@@ -77,3 +77,5 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_DM_VIDEO=y
+CONFIG_ATMEL_HLCD=y

include/configs/sama5d4_xplained.h

@@ -47,17 +47,6 @@
 #define CONFIG_ATMEL_NAND_HW_PMECC
 #endif
 
-/* LCD */
-#ifdef CONFIG_LCD
-#define LCD_BPP				LCD_COLOR16
-#define LCD_OUTPUT_BPP                  24
-#define CONFIG_LCD_LOGO
-#define CONFIG_LCD_INFO
-#define CONFIG_LCD_INFO_BELOW_LOGO
-#define CONFIG_ATMEL_HLCD
-#define CONFIG_ATMEL_LCD_RGB565
-#endif
-
 /* SPL */
 #define CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_TEXT_BASE		0x200000