[U-Boot] [PATCH 27/42] board: freescale: ls1046afrwy: support dm_i2c_* API
Biwen Li
biwen.li at nxp.com
Thu Nov 14 10:36:26 UTC 2019
This supports dm_i2c_* API to
fix compilation error when enabled
CONFIG_DM_I2C as follows:
- board/freescale/ls1046afrwy/built-in.o: In function `select_i2c_ch_pca9547:
board/freescale/ls1046afrwy/ls1046afrwy.c:42: undefined reference to `i2c_write'`
Signed-off-by: Biwen Li <biwen.li at nxp.com>
---
board/freescale/ls1046afrwy/ls1046afrwy.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c b/board/freescale/ls1046afrwy/ls1046afrwy.c
index ac2f8ee436..4a9189b3ee 100644
--- a/board/freescale/ls1046afrwy/ls1046afrwy.c
+++ b/board/freescale/ls1046afrwy/ls1046afrwy.c
@@ -35,11 +35,24 @@
DECLARE_GLOBAL_DATA_PTR;
-int select_i2c_ch_pca9547(u8 ch)
+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;
@@ -144,7 +157,7 @@ val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
sec_init();
#endif
- select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
return 0;
}
--
2.17.1
More information about the U-Boot
mailing list