X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Ft4qds%2Ft4240qds.c;h=869c01de92b91fd2658058f119849d8844e63c10;hb=e6bd72f880a76652ce1d6742880e7efcd85b8fb1;hp=bb18b97e6a2e0162b1ddd2ab429fdc90560d9c15;hpb=5939afc9611e8ba4a86b96e67670b765ee27668e;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/freescale/t4qds/t4240qds.c b/board/freescale/t4qds/t4240qds.c
index bb18b97..869c01d 100644
--- a/board/freescale/t4qds/t4240qds.c
+++ b/board/freescale/t4qds/t4240qds.c
@@ -1,12 +1,16 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2009-2012 Freescale Semiconductor, Inc.
+ * Copyright 2020 NXP
  */
 
 #include <common.h>
 #include <command.h>
 #include <env.h>
+#include <fdt_support.h>
 #include <i2c.h>
+#include <init.h>
+#include <irq_func.h>
 #include <netdev.h>
 #include <linux/compiler.h>
 #include <asm/mmu.h>
@@ -88,11 +92,25 @@ int checkboard(void)
 	return 0;
 }
 
-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;
@@ -112,10 +130,28 @@ static inline int read_voltage(void)
 {
 	int i, ret, voltage_read = 0;
 	u16 vol_mon;
+#ifdef CONFIG_DM_I2C
+	struct udevice *dev;
+	int bus_num = 0;
+#endif
 
 	for (i = 0; i < NUM_READINGS; i++) {
+#ifdef CONFIG_DM_I2C
+		ret = i2c_get_chip_for_busnum(bus_num, I2C_VOL_MONITOR_ADDR,
+					      1, &dev);
+		if (ret) {
+			printf("%s: Cannot find udev for a bus %d\n", __func__,
+			       bus_num);
+			return ret;
+		}
+
+		ret = dm_i2c_read(dev,
+				  I2C_VOL_MONITOR_BUS_V_OFFSET,
+				  (void *)&vol_mon, 2);
+#else
 		ret = i2c_read(I2C_VOL_MONITOR_ADDR,
 			I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2);
+#endif
 		if (ret) {
 			printf("VID: failed to read core voltage\n");
 			return ret;
@@ -247,7 +283,7 @@ static int adjust_vdd(ulong vdd_override)
 		unsigned voltage;
 	};
 
-	ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR);
+	ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR, 0);
 	if (ret) {
 		debug("VID: I2c failed to switch channel\n");
 		ret = -1;
@@ -345,7 +381,7 @@ int config_frontside_crossbar_vsc3316(void)
 	u32 srds_prtcl_s1, srds_prtcl_s2;
 	int ret;
 
-	ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS);
+	ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS, 0);
 	if (ret)
 		return ret;
 
@@ -564,7 +600,7 @@ int board_early_init_r(void)
 	/* Configure board SERDES ports crossbar */
 	config_frontside_crossbar_vsc3316();
 	config_backside_crossbar_mux();
-	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
 
 	return 0;
 }
@@ -729,11 +765,11 @@ void board_detail(void)
 	}
 
 	/* Voltage secion */
-	if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) {
+	if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR, 0)) {
 		vdd = read_voltage();
 		if (vdd > 0)
 			printf("Core voltage= %d mV\n", vdd);
-		select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+		select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
 	}
 
 	printf("XVDD        = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25);