diff options
author | Biwen Li <biwen.li@nxp.com> | 2019-12-31 10:33:44 +0300 |
---|---|---|
committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-02-04 13:50:25 +0300 |
commit | 9ebde8849a37beff5eccb462a991e05b07f8a360 (patch) | |
tree | 037e178c5c495f7e72c83c873dee5b857b7cfa0e /board/freescale/common | |
parent | a0affb367ad638e1e6f51ed3678d3daad5724a40 (diff) | |
download | u-boot-9ebde8849a37beff5eccb462a991e05b07f8a360.tar.xz |
dm: arm: ls1021a: add i2c DM support
This supports i2c DM and enables CONFIG_DM_I2C
for SoC LS1021A
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'board/freescale/common')
-rw-r--r-- | board/freescale/common/dcu_sii9022a.c | 96 | ||||
-rw-r--r-- | board/freescale/common/diu_ch7301.c | 81 |
2 files changed, 177 insertions, 0 deletions
diff --git a/board/freescale/common/dcu_sii9022a.c b/board/freescale/common/dcu_sii9022a.c index 3bf71abf55..832ae258f1 100644 --- a/board/freescale/common/dcu_sii9022a.c +++ b/board/freescale/common/dcu_sii9022a.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2019 NXP */ #include <asm/io.h> @@ -63,7 +64,101 @@ int dcu_set_dvi_encoder(struct fb_videomode *videomode) u8 temp; u16 temp1, temp2; u32 temp3; +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(CONFIG_SYS_I2C_DVI_BUS_NUM, + CONFIG_SYS_I2C_DVI_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + CONFIG_SYS_I2C_DVI_BUS_NUM); + return ret; + } + /* Enable TPI transmitter mode */ + temp = TPI_TRANS_MODE_ENABLE; + dm_i2c_write(dev, TPI_TRANS_MODE_REG, &temp, 1); + + /* Enter into D0 state, full operation */ + dm_i2c_read(dev, TPI_PWR_STAT_REG, &temp, 1); + temp &= ~TPI_PWR_STAT_MASK; + temp |= TPI_PWR_STAT_D0; + dm_i2c_write(dev, TPI_PWR_STAT_REG, &temp, 1); + + /* Enable source termination */ + temp = TPI_SET_PAGE_SII9022A; + dm_i2c_write(dev, TPI_SET_PAGE_REG, &temp, 1); + temp = TPI_SET_OFFSET_SII9022A; + dm_i2c_write(dev, TPI_SET_OFFSET_REG, &temp, 1); + + dm_i2c_read(dev, TPI_RW_ACCESS_REG, &temp, 1); + temp |= TPI_RW_EN_SRC_TERMIN; + dm_i2c_write(dev, TPI_RW_ACCESS_REG, &temp, 1); + + /* Set TPI system control */ + temp = TPI_SYS_TMDS_OUTPUT | TPI_SYS_AV_NORAML | TPI_SYS_DVI_MODE; + dm_i2c_write(dev, TPI_SYS_CTRL_REG, &temp, 1); + + /* Set pixel clock */ + temp1 = PICOS2KHZ(videomode->pixclock) / 10; + temp = (u8)(temp1 & 0xFF); + dm_i2c_write(dev, PIXEL_CLK_LSB_REG, &temp, 1); + temp = (u8)(temp1 >> 8); + dm_i2c_write(dev, PIXEL_CLK_MSB_REG, &temp, 1); + + /* Set total pixels per line */ + temp1 = videomode->hsync_len + videomode->left_margin + + videomode->xres + videomode->right_margin; + temp = (u8)(temp1 & 0xFF); + dm_i2c_write(dev, TOTAL_PIXELS_LSB_REG, &temp, 1); + temp = (u8)(temp1 >> 8); + dm_i2c_write(dev, TOTAL_PIXELS_MSB_REG, &temp, 1); + + /* Set total lines */ + temp2 = videomode->vsync_len + videomode->upper_margin + + videomode->yres + videomode->lower_margin; + temp = (u8)(temp2 & 0xFF); + dm_i2c_write(dev, TOTAL_LINES_LSB_REG, &temp, 1); + temp = (u8)(temp2 >> 8); + dm_i2c_write(dev, TOTAL_LINES_MSB_REG, &temp, 1); + + /* Set vertical frequency in Hz */ + temp3 = temp1 * temp2; + temp3 = (PICOS2KHZ(videomode->pixclock) * 1000) / temp3; + temp1 = (u16)temp3 * 100; + temp = (u8)(temp1 & 0xFF); + dm_i2c_write(dev, VERT_FREQ_LSB_REG, &temp, 1); + temp = (u8)(temp1 >> 8); + dm_i2c_write(dev, VERT_FREQ_MSB_REG, &temp, 1); + + /* Set TPI input bus and pixel repetition data */ + temp = TPI_INBUS_CLOCK_RATIO_1 | TPI_INBUS_FULL_PIXEL_WIDE | + TPI_INBUS_RISING_EDGE; + dm_i2c_write(dev, TPI_INBUS_FMT_REG, &temp, 1); + + /* Set TPI AVI Input format data */ + temp = TPI_INPUT_CLR_DEPTH_8BIT | TPI_INPUT_VRANGE_EXPAN_AUTO | + TPI_INPUT_CLR_RGB; + dm_i2c_write(dev, TPI_INPUT_FMT_REG, &temp, 1); + + /* Set TPI AVI Output format data */ + temp = TPI_OUTPUT_CLR_DEPTH_8BIT | TPI_OUTPUT_VRANGE_COMPRE_AUTO | + TPI_OUTPUT_CLR_HDMI_RGB; + dm_i2c_write(dev, TPI_OUTPUT_FMT_REG, &temp, 1); + + /* Set TPI audio configuration write data */ + temp = TPI_AUDIO_PASS_BASIC; + dm_i2c_write(dev, TPI_AUDIO_HANDING_REG, &temp, 1); + + temp = TPI_AUDIO_INTF_I2S | TPI_AUDIO_INTF_NORMAL | + TPI_AUDIO_TYPE_PCM; + dm_i2c_write(dev, TPI_AUDIO_INTF_REG, &temp, 1); + + temp = TPI_AUDIO_SAMP_SIZE_16BIT | TPI_AUDIO_SAMP_FREQ_44K; + dm_i2c_write(dev, TPI_AUDIO_FREQ_REG, &temp, 1); +#else i2c_set_bus_num(CONFIG_SYS_I2C_DVI_BUS_NUM); /* Enable TPI transmitter mode */ @@ -147,6 +242,7 @@ int dcu_set_dvi_encoder(struct fb_videomode *videomode) temp = TPI_AUDIO_SAMP_SIZE_16BIT | TPI_AUDIO_SAMP_FREQ_44K; i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_FREQ_REG, 1, &temp, 1); +#endif return 0; } diff --git a/board/freescale/common/diu_ch7301.c b/board/freescale/common/diu_ch7301.c index 435b4a3f1a..7f11123e6f 100644 --- a/board/freescale/common/diu_ch7301.c +++ b/board/freescale/common/diu_ch7301.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2019 NXP * Authors: Priyanka Jain <Priyanka.Jain@freescale.com> * Wang Dongsheng <dongsheng.wang@freescale.com> * @@ -51,6 +52,85 @@ int diu_set_dvi_encoder(unsigned int pixclock) u8 temp; temp = I2C_DVI_TEST_PATTERN_VAL; +#ifdef CONFIG_DM_I2C + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(CONFIG_SYS_I2C_DVI_BUS_NUM, + CONFIG_SYS_I2C_DVI_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + CONFIG_SYS_I2C_DVI_BUS_NUM); + return ret; + } + ret = dm_i2c_write(dev, I2C_DVI_TEST_PATTERN_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select proper dvi test pattern\n"); + return ret; + } + temp = I2C_DVI_INPUT_DATA_FORMAT_VAL; + ret = dm_i2c_write(dev, I2C_DVI_INPUT_DATA_FORMAT_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi input data format\n"); + return ret; + } + + /* Set Sync polarity register */ + temp = I2C_DVI_SYNC_POLARITY_VAL; + ret = dm_i2c_write(dev, I2C_DVI_SYNC_POLARITY_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi syc polarity\n"); + return ret; + } + + /* Set PLL registers based on pixel clock rate*/ + if (pixclock > 65000000) { + temp = I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL; + ret = dm_i2c_write(dev, I2C_DVI_PLL_CHARGE_CNTL_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi pll charge_cntl\n"); + return ret; + } + temp = I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL; + ret = dm_i2c_write(dev, I2C_DVI_PLL_DIVIDER_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi pll divider\n"); + return ret; + } + temp = I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL; + ret = dm_i2c_write(dev, I2C_DVI_PLL_FILTER_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi pll filter\n"); + return ret; + } + } else { + temp = I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL; + ret = dm_i2c_write(dev, I2C_DVI_PLL_CHARGE_CNTL_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi pll charge_cntl\n"); + return ret; + } + temp = I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL; + ret = dm_i2c_write(dev, I2C_DVI_PLL_DIVIDER_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi pll divider\n"); + return ret; + } + temp = I2C_DVI_PLL_FILTER_LOW_SPEED_VAL; + ret = dm_i2c_write(dev, I2C_DVI_PLL_FILTER_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi pll filter\n"); + return ret; + } + } + + temp = I2C_DVI_POWER_MGMT_VAL; + ret = dm_i2c_write(dev, I2C_DVI_POWER_MGMT_REG, &temp, 1); + if (ret) { + puts("I2C: failed to select dvi power mgmt\n"); + return ret; + } +#else ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_TEST_PATTERN_REG, 1, &temp, 1); if (ret) { @@ -128,6 +208,7 @@ int diu_set_dvi_encoder(unsigned int pixclock) puts("I2C: failed to select dvi power mgmt\n"); return ret; } +#endif udelay(500); |