arm: add support for SoC s5p4418 (cpu) / nanopi2 board

Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01:
- SPL not supported yet --> no spl-dir in arch/arm/cpu/armv7/s5p4418/.
  Appropriate line in Makefile removed.
- cpu.c: '#include <cpu_func.h>' added.
- arch/arm/cpu/armv7/s5p4418/u-boot.lds removed, is not required
  anylonger.
- "obj-$(CONFIG_ARCH_NEXELL) += s5p-common/" added to
  arch/arm/cpu/armv7/Makefile since s5p-common/pwm.c is used instead
  of drivers/pwm/pwm-nexell.c.
- s5p4418.dtsi: '#include "../../../include/generated/autoconf.h"'
  removed, is not necessary, error at out-of-tree building.
  '#ifdef CONFIG_CPU_NXP4330'-blocks (2x) removed. Some minor changes
  regarding mmc. 'u-boot,dm-pre-reloc' added to dp0 because of added
  DM_VIDEO support.
- board/s5p4418/ renamed to board/friendlyarm/
- All s5p4418-boards except nanopi2 removed because there is no
  possibility to test the other boards.
- Kconfig: Changes to have a structure like mach-bcm283x (RaspberryPi),
  e.g. "config ..." entries moved from/to other Kconfig.
- "CONFIG_" removed from several s5p4418/nanopi2 specific defines
  because the appropriate values do not need to be configurable.
- nanopi2/board.c: All getenv(), getenv_ulong(), setenv() and saveenv()
  renamed to env_get(), env_get_ulong(), env_set() and env_save(),
  respectively. MACH_TYPE_S5P4418 is not defined anymore, therefore
  appropriate code removed (not necessary for DT-kernels).
- nanopi2/onewire.c: All crc8() renamed to crc8_ow() because crc8() is
  already defined in lib/crc8.c (with different parameters).
- dts: "nexell,s5pxx18-i2c" used instead of "i2c-gpio", i2c0 and
  i2c1 added. gmac-, ehci- and dwc2otg-entries removed because the
  appropriate functionality is not supported yet. New mmc-property
  "mmcboost" added.
  s5p4418-pinctrl.dtsi: gmac-entries removed, mmc- and i2c-entries
  added.
- '#ifdef CONFIG...' changed to 'if (IS_ENABLED(CONFIG...))' where
  possible (and similar).

Signed-off-by: Stefan Bosch <stefan_b@posteo.net>

1 files changed, 94 insertions, 0 deletions

diff --git a/board/friendlyarm/nanopi2/nxp-fb.h b/board/friendlyarm/nanopi2/nxp-fb.h
new file mode 100644
index 0000000000..d31a03d7ce
--- /dev/null
+++ b/board/friendlyarm/nanopi2/nxp-fb.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright (c) 2017 FriendlyARM (www.arm9.net)
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com/
+ *
+ * Header file for NXP Display Driver
+ */
+
+#ifndef __MACH_NXP_FB_H__
+#define __MACH_NXP_FB_H__
+
+/*
+ * struct nxp_lcd_polarity
+ * @rise_vclk:	if 1, video data is fetched at rising edge
+ * @inv_hsync:	if HSYNC polarity is inversed
+ * @inv_vsync:	if VSYNC polarity is inversed
+ * @inv_vden:	if VDEN polarity is inversed
+ */
+struct nxp_lcd_polarity {
+	int	rise_vclk;
+	int	inv_hsync;
+	int	inv_vsync;
+	int	inv_vden;
+};
+
+/*
+ * struct nxp_lcd_timing
+ * @h_fp:	horizontal front porch
+ * @h_bp:	horizontal back porch
+ * @h_sw:	horizontal sync width
+ * @v_fp:	vertical front porch
+ * @v_fpe:	vertical front porch for even field
+ * @v_bp:	vertical back porch
+ * @v_bpe:	vertical back porch for even field
+ */
+struct nxp_lcd_timing {
+	int	h_fp;
+	int	h_bp;
+	int	h_sw;
+	int	v_fp;
+	int	v_fpe;
+	int	v_bp;
+	int	v_bpe;
+	int	v_sw;
+};
+
+/*
+ * struct nxp_lcd
+ * @width:		horizontal resolution
+ * @height:		vertical resolution
+ * @p_width:	width of lcd in mm
+ * @p_height:	height of lcd in mm
+ * @bpp:		bits per pixel
+ * @freq:		vframe frequency
+ * @timing:		timing values
+ * @polarity:	polarity settings
+ * @gpio_init:	pointer to GPIO init function
+ *
+ */
+struct nxp_lcd {
+	int	width;
+	int	height;
+	int	p_width;
+	int	p_height;
+	int	bpp;
+	int	freq;
+	struct	nxp_lcd_timing timing;
+	struct	nxp_lcd_polarity polarity;
+	void	(*gpio_init)(void);
+};
+
+/**
+ * Public interfaces
+ */
+enum lcd_format {
+	LCD_VESA	= 0,
+	LCD_JEIDA	= 1,
+	LCD_LOC		= 2,
+
+	LCD_RGB		= 4,
+	LCD_HDMI	= 5,
+};
+
+extern int bd_setup_lcd_by_id(int id);
+extern int bd_setup_lcd_by_name(char *name);
+extern struct nxp_lcd *bd_get_lcd(void);
+extern const char *bd_get_lcd_name(void);
+extern int bd_get_lcd_density(void);
+extern enum lcd_format bd_get_lcd_format(void);
+extern int bd_fixup_lcd_fdt(void *blob, struct nxp_lcd *cfg);
+
+#endif /* __MACH_NXP_FB_H__ */