@@ -15,11 +15,23 @@
DECLARE_GLOBAL_DATA_PTR;
-static int select_i2c_ch_pca9547(u8 ch)
+static int select_i2c_ch_pca9547(u8 ch, int bus_num)
{
int ret;
+#ifdef CONFIG_DM_I2C
+ struct udevice *dev;
+ ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_PRI,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return ret;
+ }
+ ret = dm_i2c_write(dev, 0, &ch, 1);
+#else
ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
+#endif
if (ret) {
puts("PCA: failed to select proper channel\n");
return ret;
@@ -51,6 +63,28 @@ int platform_dcu_init(struct fb_info *fbinfo,
u8 ch;
/* Mux I2C3+I2C4 as HSYNC+VSYNC */
+#ifdef CONFIG_DM_I2C
+ struct udevice *dev;
+
+ /* QIXIS device mount on I2C1 bus*/
+ ret = i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_QIXIS_ADDR,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ 0);
+ return ret;
+ }
+ ret = dm_i2c_read(dev, QIXIS_DCU_BRDCFG5, &ch, 1);
+ if (ret) {
+ printf("Error: failed to read I2C @%02x\n",
+ CONFIG_SYS_I2C_QIXIS_ADDR);
+ return ret;
+ }
+ ch &= 0x1F;
+ ch |= 0xA0;
+ ret = dm_i2c_write(dev, QIXIS_DCU_BRDCFG5, &ch, 1);
+
+#else
ret = i2c_read(CONFIG_SYS_I2C_QIXIS_ADDR, QIXIS_DCU_BRDCFG5,
1, &ch, 1);
if (ret) {
@@ -62,6 +96,7 @@ int platform_dcu_init(struct fb_info *fbinfo,
ch |= 0xA0;
ret = i2c_write(CONFIG_SYS_I2C_QIXIS_ADDR, QIXIS_DCU_BRDCFG5,
1, &ch, 1);
+#endif
if (ret) {
printf("Error: failed to write I2C @%02x\n",
CONFIG_SYS_I2C_QIXIS_ADDR);
@@ -76,10 +111,12 @@ int platform_dcu_init(struct fb_info *fbinfo,
pixval = 1000000000 / dcu_fb_videomode->pixclock;
pixval *= 1000;
+#ifndef CONFIG_DM_I2C
i2c_set_bus_num(CONFIG_SYS_I2C_DVI_BUS_NUM);
- select_i2c_ch_pca9547(I2C_MUX_CH_CH7301);
+#endif
+ select_i2c_ch_pca9547(I2C_MUX_CH_CH7301, CONFIG_SYS_I2C_DVI_BUS_NUM);
diu_set_dvi_encoder(pixval);
- select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, CONFIG_SYS_I2C_DVI_BUS_NUM);
} else {
return 0;
}
This supports dm_i2c_* API to fix compilation error when enabled CONFIG_DM_I2C as follows: - board/freescale/ls1021aqds/built-in.o: In function `platform_dcu_init: board/freescale/ls1021aqds/dcu.c:54: undefined reference to `i2c_read' board/freescale/ls1021aqds/dcu.c:63: undefined reference to `i2c_write' board/freescale/ls1021aqds/dcu.c:79: undefined reference to `i2c_set_bus_num' ` Signed-off-by: Biwen Li <biwen.li@nxp.com> --- board/freescale/ls1021aqds/dcu.c | 43 +++++++++++++++++++++++++++++--- 1 file changed, 40 insertions(+), 3 deletions(-)