diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/formike.c | 511 | ||||
| -rw-r--r-- | drivers/watchdog/Makefile | 1 | ||||
| -rw-r--r-- | drivers/watchdog/omap_wdt.c | 121 |
4 files changed, 634 insertions, 0 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 6dee1e930e..6c208c596e 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -41,6 +41,7 @@ COBJS-$(CONFIG_VIDEO_SM501) += sm501.o COBJS-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o COBJS-$(CONFIG_VIDEO_TEGRA) += tegra.o COBJS-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o +COBJS-$(CONFIG_FORMIKE) += formike.o COBJS := $(sort $(COBJS-y)) SRCS := $(COBJS:.o=.c) diff --git a/drivers/video/formike.c b/drivers/video/formike.c new file mode 100644 index 0000000000..b9b6822138 --- /dev/null +++ b/drivers/video/formike.c @@ -0,0 +1,511 @@ +/* + * LCD: Formike, TFT 4.3", 480x800, RGB24, KWH043ST20-F01, DriverIC NT35510-16 + * LCD initialization via SPI + * + * SPDX-License-Identifier: GPL-2.0 + * Based on: + * + */ +#include <common.h> +#include <errno.h> +#include <spi.h> + +#define TAG_READ 0x80 +#define TAG_WRITE 0x00 + +#define TAG_DATA 0x40 +#define TAG_COMMAND 0x00 + +#define TAG_ADDR_H 0x20 +#define TAG_ADDR_L 0x00 + +static int spi_write_tag_val(struct spi_slave *spi, unsigned char tag, + unsigned char val) +{ + unsigned long flags = SPI_XFER_BEGIN; + u8 buf[2]; + int ret; + + buf[0] = tag; + buf[1] = val; + flags |= SPI_XFER_END; + + ret = spi_xfer(spi, 16, buf, NULL, flags); +#ifdef KWH043ST20_F01_SPI_DEBUG + printf("spi_write_tag_val: tag=%02X, val=%02X ret: %d\n", + tag, val, ret); +#endif /* KWH043ST20_F01_SPI_DEBUG */ + if (ret) + debug("%s: Failed to send: %d\n", __func__, ret); + + return ret; +} + +static void spi_write_dat(struct spi_slave *spi, unsigned int val) +{ + spi_write_tag_val(spi, TAG_WRITE|TAG_DATA, val); +} + +static void spi_write_com(struct spi_slave *spi, unsigned int addr) +{ + spi_write_tag_val(spi, TAG_WRITE|TAG_COMMAND|TAG_ADDR_H, + (addr & 0xff00) >> 8); + spi_write_tag_val(spi, TAG_WRITE|TAG_COMMAND|TAG_ADDR_L, + (addr & 0x00ff) >> 0); +} + +int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int spi_mode) +{ + struct spi_slave *spi; + int ret; + + spi = spi_setup_slave(bus, cs, max_hz, spi_mode); + if (!spi) { + debug("%s: Failed to set up slave\n", __func__); + return -1; + } + + ret = spi_claim_bus(spi); + if (ret) { + debug("%s: Failed to claim SPI bus: %d\n", __func__, ret); + goto err_claim_bus; + } + + + /* LV2 Page 1 enable */ + spi_write_com(spi, 0xF000); spi_write_dat(spi, 0x55); + spi_write_com(spi, 0xF001); spi_write_dat(spi, 0xAA); + spi_write_com(spi, 0xF002); spi_write_dat(spi, 0x52); + spi_write_com(spi, 0xF003); spi_write_dat(spi, 0x08); + spi_write_com(spi, 0xF004); spi_write_dat(spi, 0x01); + + /* AVDD Set AVDD 5.2V */ + spi_write_com(spi, 0xB000); spi_write_dat(spi, 0x0D); + spi_write_com(spi, 0xB001); spi_write_dat(spi, 0x0D); + spi_write_com(spi, 0xB002); spi_write_dat(spi, 0x0D); + + /* AVDD ratio */ + spi_write_com(spi, 0xB600); spi_write_dat(spi, 0x34); + spi_write_com(spi, 0xB601); spi_write_dat(spi, 0x34); + spi_write_com(spi, 0xB602); spi_write_dat(spi, 0x34); + + /* AVEE -5.2V */ + spi_write_com(spi, 0xB100); spi_write_dat(spi, 0x0D); + spi_write_com(spi, 0xB101); spi_write_dat(spi, 0x0D); + spi_write_com(spi, 0xB102); spi_write_dat(spi, 0x0D); + + /* AVEE ratio */ + spi_write_com(spi, 0xB700); spi_write_dat(spi, 0x35); + spi_write_com(spi, 0xB701); spi_write_dat(spi, 0x35); + spi_write_com(spi, 0xB702); spi_write_dat(spi, 0x35); + + /* VCL -2.5V */ + spi_write_com(spi, 0xB200); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xB201); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xB202); spi_write_dat(spi, 0x00); + + /* VCL ratio */ + spi_write_com(spi, 0xB800); spi_write_dat(spi, 0x24); + spi_write_com(spi, 0xB801); spi_write_dat(spi, 0x24); + spi_write_com(spi, 0xB802); spi_write_dat(spi, 0x24); + + /* VGH 15V */ + spi_write_com(spi, 0xBF00); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xB300); spi_write_dat(spi, 0x08); + spi_write_com(spi, 0xB301); spi_write_dat(spi, 0x08); + spi_write_com(spi, 0xB302); spi_write_dat(spi, 0x08); + + /* VGH ratio */ + spi_write_com(spi, 0xB900); spi_write_dat(spi, 0x34); + spi_write_com(spi, 0xB901); spi_write_dat(spi, 0x34); + spi_write_com(spi, 0xB902); spi_write_dat(spi, 0x34); + + /* VGLX ratio */ + spi_write_com(spi, 0xBA00); spi_write_dat(spi, 0x24); + spi_write_com(spi, 0xBA01); spi_write_dat(spi, 0x24); + spi_write_com(spi, 0xBA02); spi_write_dat(spi, 0x24); + + /* VGMP/VGSP 4.7V/0V */ + spi_write_com(spi, 0xBC00); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xBC01); spi_write_dat(spi, 0x88); + spi_write_com(spi, 0xBC02); spi_write_dat(spi, 0x00); + + /* VGMN/VGSN -4.7V/0V */ + spi_write_com(spi, 0xBD00); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xBD01); spi_write_dat(spi, 0x88); + spi_write_com(spi, 0xBD02); spi_write_dat(spi, 0x00); + + /* VCOM 1.525V */ + spi_write_com(spi, 0xBE00); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xBE01); spi_write_dat(spi, 0x7A); + + /* Gamma Setting */ + spi_write_com(spi, 0xD100); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD101); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xD102); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD103); spi_write_dat(spi, 0x15); + spi_write_com(spi, 0xD104); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD105); spi_write_dat(spi, 0x30); + spi_write_com(spi, 0xD106); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD107); spi_write_dat(spi, 0x47); + spi_write_com(spi, 0xD108); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD109); spi_write_dat(spi, 0x5B); + spi_write_com(spi, 0xD10A); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD10B); spi_write_dat(spi, 0x7D); + spi_write_com(spi, 0xD10C); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD10D); spi_write_dat(spi, 0x9D); + spi_write_com(spi, 0xD10E); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD10F); spi_write_dat(spi, 0xCC); + spi_write_com(spi, 0xD110); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD111); spi_write_dat(spi, 0xF3); + spi_write_com(spi, 0xD112); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD113); spi_write_dat(spi, 0x32); + spi_write_com(spi, 0xD114); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD115); spi_write_dat(spi, 0x63); + spi_write_com(spi, 0xD116); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD117); spi_write_dat(spi, 0xB1); + spi_write_com(spi, 0xD118); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD119); spi_write_dat(spi, 0xF0); + spi_write_com(spi, 0xD11A); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD11B); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD11C); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD11D); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD11E); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD11F); spi_write_dat(spi, 0x67); + spi_write_com(spi, 0xD120); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD121); spi_write_dat(spi, 0x90); + spi_write_com(spi, 0xD122); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD123); spi_write_dat(spi, 0xCB); + spi_write_com(spi, 0xD124); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD125); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD126); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD127); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD128); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD129); spi_write_dat(spi, 0x51); + spi_write_com(spi, 0xD12A); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD12B); spi_write_dat(spi, 0x80); + spi_write_com(spi, 0xD12C); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD12D); spi_write_dat(spi, 0x9F); + spi_write_com(spi, 0xD12E); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD12F); spi_write_dat(spi, 0xBE); + spi_write_com(spi, 0xD130); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD131); spi_write_dat(spi, 0xF9); + spi_write_com(spi, 0xD132); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD133); spi_write_dat(spi, 0xFF); + + spi_write_com(spi, 0xD200); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD201); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xD202); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD203); spi_write_dat(spi, 0x15); + spi_write_com(spi, 0xD204); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD205); spi_write_dat(spi, 0x30); + spi_write_com(spi, 0xD206); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD207); spi_write_dat(spi, 0x47); + spi_write_com(spi, 0xD208); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD209); spi_write_dat(spi, 0x5B); + spi_write_com(spi, 0xD20A); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD20B); spi_write_dat(spi, 0x7D); + spi_write_com(spi, 0xD20C); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD20D); spi_write_dat(spi, 0x9D); + spi_write_com(spi, 0xD20E); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD20F); spi_write_dat(spi, 0xCC); + spi_write_com(spi, 0xD210); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD211); spi_write_dat(spi, 0xF3); + spi_write_com(spi, 0xD212); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD213); spi_write_dat(spi, 0x32); + spi_write_com(spi, 0xD214); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD215); spi_write_dat(spi, 0x63); + spi_write_com(spi, 0xD216); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD217); spi_write_dat(spi, 0xB1); + spi_write_com(spi, 0xD218); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD219); spi_write_dat(spi, 0xF0); + spi_write_com(spi, 0xD21A); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD21B); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD21C); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD21D); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD21E); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD21F); spi_write_dat(spi, 0x67); + spi_write_com(spi, 0xD220); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD221); spi_write_dat(spi, 0x90); + spi_write_com(spi, 0xD222); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD223); spi_write_dat(spi, 0xCB); + spi_write_com(spi, 0xD224); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD225); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD226); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD227); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD228); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD229); spi_write_dat(spi, 0x51); + spi_write_com(spi, 0xD22A); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD22B); spi_write_dat(spi, 0x80); + spi_write_com(spi, 0xD22C); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD22D); spi_write_dat(spi, 0x9F); + spi_write_com(spi, 0xD22E); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD22F); spi_write_dat(spi, 0xBE); + spi_write_com(spi, 0xD230); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD231); spi_write_dat(spi, 0xF9); + spi_write_com(spi, 0xD232); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD233); spi_write_dat(spi, 0xFF); + + spi_write_com(spi, 0xD300); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD301); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xD302); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD303); spi_write_dat(spi, 0x15); + spi_write_com(spi, 0xD304); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD305); spi_write_dat(spi, 0x30); + spi_write_com(spi, 0xD306); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD307); spi_write_dat(spi, 0x47); + spi_write_com(spi, 0xD308); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD309); spi_write_dat(spi, 0x5B); + spi_write_com(spi, 0xD30A); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD30B); spi_write_dat(spi, 0x7D); + spi_write_com(spi, 0xD30C); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD30D); spi_write_dat(spi, 0x9D); + spi_write_com(spi, 0xD30E); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD30F); spi_write_dat(spi, 0xCC); + spi_write_com(spi, 0xD310); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD311); spi_write_dat(spi, 0xF3); + spi_write_com(spi, 0xD312); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD313); spi_write_dat(spi, 0x32); + spi_write_com(spi, 0xD314); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD315); spi_write_dat(spi, 0x63); + spi_write_com(spi, 0xD316); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD317); spi_write_dat(spi, 0xB1); + spi_write_com(spi, 0xD318); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD319); spi_write_dat(spi, 0xF0); + spi_write_com(spi, 0xD31A); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD31B); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD31C); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD31D); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD31E); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD31F); spi_write_dat(spi, 0x67); + spi_write_com(spi, 0xD320); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD321); spi_write_dat(spi, 0x90); + spi_write_com(spi, 0xD322); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD323); spi_write_dat(spi, 0xCB); + spi_write_com(spi, 0xD324); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD325); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD326); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD327); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD328); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD329); spi_write_dat(spi, 0x51); + spi_write_com(spi, 0xD32A); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD32B); spi_write_dat(spi, 0x80); + spi_write_com(spi, 0xD32C); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD32D); spi_write_dat(spi, 0x9F); + spi_write_com(spi, 0xD32E); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD32F); spi_write_dat(spi, 0xBE); + spi_write_com(spi, 0xD330); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD331); spi_write_dat(spi, 0xF9); + spi_write_com(spi, 0xD332); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD333); spi_write_dat(spi, 0xFF); + + spi_write_com(spi, 0xD400); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD401); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xD402); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD403); spi_write_dat(spi, 0x15); + spi_write_com(spi, 0xD404); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD405); spi_write_dat(spi, 0x30); + spi_write_com(spi, 0xD406); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD407); spi_write_dat(spi, 0x47); + spi_write_com(spi, 0xD408); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD409); spi_write_dat(spi, 0x5B); + spi_write_com(spi, 0xD40A); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD40B); spi_write_dat(spi, 0x7D); + spi_write_com(spi, 0xD40C); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD40D); spi_write_dat(spi, 0x9D); + spi_write_com(spi, 0xD40E); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD40F); spi_write_dat(spi, 0xCC); + spi_write_com(spi, 0xD410); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD411); spi_write_dat(spi, 0xF3); + spi_write_com(spi, 0xD412); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD413); spi_write_dat(spi, 0x32); + spi_write_com(spi, 0xD414); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD415); spi_write_dat(spi, 0x63); + spi_write_com(spi, 0xD416); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD417); spi_write_dat(spi, 0xB1); + spi_write_com(spi, 0xD418); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD419); spi_write_dat(spi, 0xF0); + spi_write_com(spi, 0xD41A); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD41B); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD41C); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD41D); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD41E); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD41F); spi_write_dat(spi, 0x67); + spi_write_com(spi, 0xD420); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD421); spi_write_dat(spi, 0x90); + spi_write_com(spi, 0xD422); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD423); spi_write_dat(spi, 0xCB); + spi_write_com(spi, 0xD424); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD425); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD426); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD427); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD428); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD429); spi_write_dat(spi, 0x51); + spi_write_com(spi, 0xD42A); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD42B); spi_write_dat(spi, 0x80); + spi_write_com(spi, 0xD42C); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD42D); spi_write_dat(spi, 0x9F); + spi_write_com(spi, 0xD42E); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD42F); spi_write_dat(spi, 0xBE); + spi_write_com(spi, 0xD430); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD431); spi_write_dat(spi, 0xF9); + spi_write_com(spi, 0xD432); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD433); spi_write_dat(spi, 0xFF); + + spi_write_com(spi, 0xD500); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD501); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xD502); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD503); spi_write_dat(spi, 0x15); + spi_write_com(spi, 0xD504); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD505); spi_write_dat(spi, 0x30); + spi_write_com(spi, 0xD506); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD507); spi_write_dat(spi, 0x47); + spi_write_com(spi, 0xD508); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD509); spi_write_dat(spi, 0x5B); + spi_write_com(spi, 0xD50A); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD50B); spi_write_dat(spi, 0x7D); + spi_write_com(spi, 0xD50C); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD50D); spi_write_dat(spi, 0x9D); + spi_write_com(spi, 0xD50E); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD50F); spi_write_dat(spi, 0xCC); + spi_write_com(spi, 0xD510); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD511); spi_write_dat(spi, 0xF3); + spi_write_com(spi, 0xD512); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD513); spi_write_dat(spi, 0x32); + spi_write_com(spi, 0xD514); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD515); spi_write_dat(spi, 0x63); + spi_write_com(spi, 0xD516); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD517); spi_write_dat(spi, 0xB1); + spi_write_com(spi, 0xD518); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD519); spi_write_dat(spi, 0xF0); + spi_write_com(spi, 0xD51A); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD51B); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD51C); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD51D); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD51E); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD51F); spi_write_dat(spi, 0x67); + spi_write_com(spi, 0xD520); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD521); spi_write_dat(spi, 0x90); + spi_write_com(spi, 0xD522); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD523); spi_write_dat(spi, 0xCB); + spi_write_com(spi, 0xD524); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD525); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD526); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD527); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD528); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD529); spi_write_dat(spi, 0x51); + spi_write_com(spi, 0xD52A); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD52B); spi_write_dat(spi, 0x80); + spi_write_com(spi, 0xD52C); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD52D); spi_write_dat(spi, 0x9F); + spi_write_com(spi, 0xD52E); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD52F); spi_write_dat(spi, 0xBE); + spi_write_com(spi, 0xD530); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD531); spi_write_dat(spi, 0xF9); + spi_write_com(spi, 0xD532); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD533); spi_write_dat(spi, 0xFF); + + spi_write_com(spi, 0xD600); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD601); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xD602); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD603); spi_write_dat(spi, 0x15); + spi_write_com(spi, 0xD604); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD605); spi_write_dat(spi, 0x30); + spi_write_com(spi, 0xD606); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD607); spi_write_dat(spi, 0x47); + spi_write_com(spi, 0xD608); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD609); spi_write_dat(spi, 0x5B); + spi_write_com(spi, 0xD60A); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD60B); spi_write_dat(spi, 0x7D); + spi_write_com(spi, 0xD60C); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD60D); spi_write_dat(spi, 0x9D); + spi_write_com(spi, 0xD60E); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD60F); spi_write_dat(spi, 0xCC); + spi_write_com(spi, 0xD610); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xD611); spi_write_dat(spi, 0xF3); + spi_write_com(spi, 0xD612); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD613); spi_write_dat(spi, 0x32); + spi_write_com(spi, 0xD614); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD615); spi_write_dat(spi, 0x63); + spi_write_com(spi, 0xD616); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD617); spi_write_dat(spi, 0xB1); + spi_write_com(spi, 0xD618); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD619); spi_write_dat(spi, 0xF0); + spi_write_com(spi, 0xD61A); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xD61B); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD61C); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD61D); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD61E); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD61F); spi_write_dat(spi, 0x67); + spi_write_com(spi, 0xD620); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD621); spi_write_dat(spi, 0x90); + spi_write_com(spi, 0xD622); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD623); spi_write_dat(spi, 0xCB); + spi_write_com(spi, 0xD624); spi_write_dat(spi, 0x02); + spi_write_com(spi, 0xD625); spi_write_dat(spi, 0xF2); + spi_write_com(spi, 0xD626); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD627); spi_write_dat(spi, 0x2A); + spi_write_com(spi, 0xD628); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD629); spi_write_dat(spi, 0x51); + spi_write_com(spi, 0xD62A); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD62B); spi_write_dat(spi, 0x80); + spi_write_com(spi, 0xD62C); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD62D); spi_write_dat(spi, 0x9F); + spi_write_com(spi, 0xD62E); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD62F); spi_write_dat(spi, 0xBE); + spi_write_com(spi, 0xD630); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD631); spi_write_dat(spi, 0xF9); + spi_write_com(spi, 0xD632); spi_write_dat(spi, 0x03); + spi_write_com(spi, 0xD633); spi_write_dat(spi, 0xFF); + + /* LV2 Page 0 enable */ + spi_write_com(spi, 0xF000); spi_write_dat(spi, 0x55); + spi_write_com(spi, 0xF001); spi_write_dat(spi, 0xAA); + spi_write_com(spi, 0xF002); spi_write_dat(spi, 0x52); + spi_write_com(spi, 0xF003); spi_write_dat(spi, 0x08); + spi_write_com(spi, 0xF004); spi_write_dat(spi, 0x00); + + /* Display control */ + spi_write_com(spi, 0xB100); spi_write_dat(spi, 0xFC); + spi_write_com(spi, 0xB101); spi_write_dat(spi, 0x00); + + /* Source hold time */ + spi_write_com(spi, 0xB600); spi_write_dat(spi, 0x05); + + /* Gate EQ control */ + spi_write_com(spi, 0xB700); spi_write_dat(spi, 0x70); + spi_write_com(spi, 0xB701); spi_write_dat(spi, 0x70); + + /* Source EQ control (Mode 2) */ + spi_write_com(spi, 0xB800); spi_write_dat(spi, 0x01); + spi_write_com(spi, 0xB801); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xB802); spi_write_dat(spi, 0x05); + spi_write_com(spi, 0xB803); spi_write_dat(spi, 0x05); + + /* Inversion mode (Column) */ + spi_write_com(spi, 0xBC00); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xBC01); spi_write_dat(spi, 0x00); + spi_write_com(spi, 0xBC02); spi_write_dat(spi, 0x00); + + /* Timing control 8phase dual side/4H/4delay/RST_EN */ + spi_write_com(spi, 0xC900); spi_write_dat(spi, 0xD0); + spi_write_com(spi, 0xC901); spi_write_dat(spi, 0x82); + spi_write_com(spi, 0xC902); spi_write_dat(spi, 0x50); + spi_write_com(spi, 0xC903); spi_write_dat(spi, 0x50); + spi_write_com(spi, 0xC904); spi_write_dat(spi, 0x50); + + spi_write_com(spi, 0x3A00); spi_write_dat(spi, 0x55); + mdelay(120); + spi_write_com(spi, 0x1100); + mdelay(120); + spi_write_com(spi, 0x2900); + mdelay(120); + /* spi_write_com(spi, 0x2100); spi_write_dat(spi, 0x00); */ + spi_write_com(spi, 0x2C00); + + return 0; +err_claim_bus: + spi_free_slave(spi); + return -1; +} diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 7e255ce8ae..3ade624702 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -18,6 +18,7 @@ COBJS-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o COBJS-$(CONFIG_S5P) += s5p_wdt.o COBJS-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o COBJS-$(CONFIG_BFIN_WATCHDOG) += bfin_wdt.o +COBJS-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c new file mode 100644 index 0000000000..7ea4b604cd --- /dev/null +++ b/drivers/watchdog/omap_wdt.c @@ -0,0 +1,121 @@ +/* + * omap_wdt.c + * + * (C) Copyright 2013 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * SPDX-License-Identifier: GPL-2.0 + * + * Based on: + * + * Watchdog driver for the TI OMAP 16xx & 24xx/34xx 32KHz (non-secure) watchdog + * + * commit 2d991a164a61858012651e13c59521975504e260 + * Author: Bill Pemberton <wfp5p@virginia.edu> + * Date: Mon Nov 19 13:21:41 2012 -0500 + * + * watchdog: remove use of __devinit + * + * CONFIG_HOTPLUG is going away as an option so __devinit is no longer + * needed. + * + * Author: MontaVista Software, Inc. + * <gdavis@mvista.com> or <source@mvista.com> + * + * History: + * + * 20030527: George G. Davis <gdavis@mvista.com> + * Initially based on linux-2.4.19-rmk7-pxa1/drivers/char/sa1100_wdt.c + * (c) Copyright 2000 Oleg Drokin <green@crimea.edu> + * Based on SoftDog driver by Alan Cox <alan@lxorguk.ukuu.org.uk> + * + * Copyright (c) 2004 Texas Instruments. + * 1. Modified to support OMAP1610 32-KHz watchdog timer + * 2. Ported to 2.6 kernel + * + * Copyright (c) 2005 David Brownell + * Use the driver model and standard identifiers; handle bigger timeouts. + */ + +#include <common.h> +#include <watchdog.h> +#include <asm/arch/hardware.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/arch/cpu.h> + +/* Hardware timeout in seconds */ +#define WDT_HW_TIMEOUT 60 + +static unsigned int wdt_trgr_pattern = 0x1234; + +void hw_watchdog_reset(void) +{ + struct wd_timer *wdt = (struct wd_timer *)WDT_BASE; + + /* wait for posted write to complete */ + while ((readl(&wdt->wdtwwps)) & WDT_WWPS_PEND_WTGR) + ; + + wdt_trgr_pattern = ~wdt_trgr_pattern; + writel(wdt_trgr_pattern, &wdt->wdtwtgr); + + /* wait for posted write to complete */ + while ((readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WTGR)) + ; +} + +static int omap_wdt_set_timeout(unsigned int timeout) +{ + struct wd_timer *wdt = (struct wd_timer *)WDT_BASE; + u32 pre_margin = GET_WLDR_VAL(timeout); + + /* just count up at 32 KHz */ + while (readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WLDR) + ; + + writel(pre_margin, &wdt->wdtwldr); + while (readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WLDR) + ; + + return 0; +} + +void hw_watchdog_init(void) +{ + struct wd_timer *wdt = (struct wd_timer *)WDT_BASE; + + /* initialize prescaler */ + while (readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WCLR) + ; + + writel(WDT_WCLR_PRE | (PTV << WDT_WCLR_PTV_OFF), &wdt->wdtwclr); + while (readl(&wdt->wdtwwps) & WDT_WWPS_PEND_WCLR) + ; + + omap_wdt_set_timeout(WDT_HW_TIMEOUT); + + /* Sequence to enable the watchdog */ + writel(0xBBBB, &wdt->wdtwspr); + while ((readl(&wdt->wdtwwps)) & WDT_WWPS_PEND_WSPR) + ; + + writel(0x4444, &wdt->wdtwspr); + while ((readl(&wdt->wdtwwps)) & WDT_WWPS_PEND_WSPR) + ; +} + +void hw_watchdog_disable(void) +{ + struct wd_timer *wdt = (struct wd_timer *)WDT_BASE; + + /* + * Disable watchdog + */ + writel(0xAAAA, &wdt->wdtwspr); + while (readl(&wdt->wdtwwps) != 0x0) + ; + writel(0x5555, &wdt->wdtwspr); + while (readl(&wdt->wdtwwps) != 0x0) + ; +} |