--- /dev/null
+/*
+ * 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;
+}
projects / u-boot / commitdiff