ODROID-C4:Add amlogic i2c_bus_2 for odroid-vu7c

Signed-off-by: ckkim <[email protected]> Change-Id: I830ecb59a4b51ee02ce2e58845e4b42761cd6309
hardkernel · Feb 15, 2022 · e6c7ab7 · e6c7ab7
1 parent 766167b
commit e6c7ab7
Show file tree

Hide file tree

Showing 3 changed files with 40 additions and 18 deletions.
diff --git a/arch/arm/include/asm/arch-g12a/i2c.h b/arch/arm/include/asm/arch-g12a/i2c.h
@@ -147,6 +147,12 @@ struct i2c_msg {
 #define MESON_I2C_MASTER_B_GPIOY_13_REG		(PERIPHS_PIN_MUX_10)
 #define MESON_I2C_MASTER_B_GPIOY_13_BIT		(1<<15)
 
+#define MESON_I2C_MASTER_B_GPIOX_10_REG		(PERIPHS_PIN_MUX_4)
+#define MESON_I2C_MASTER_B_GPIOX_10_BIT		(5<<8)
+#define MESON_I2C_MASTER_B_GPIOX_11_REG		(PERIPHS_PIN_MUX_4)
+#define MESON_I2C_MASTER_B_GPIOX_11_BIT		(5<<12)
+
+
 /*i2c master c*/
 #define MESON_I2C_MASTER_C_GPIOY_7_REG		(PERIPHS_PIN_MUX_4)
 #define MESON_I2C_MASTER_C_GPIOY_7_BIT		(1<<28)

diff --git a/board/hardkernel/odroidc4/odroidc4.c b/board/hardkernel/odroidc4/odroidc4.c
@@ -15,6 +15,7 @@
 #include <asm/cpu_id.h>
 #include <asm/arch/secure_apb.h>
 #ifdef CONFIG_SYS_I2C_AML
+#include <amlogic/i2c.h>
 #include <aml_i2c.h>
 #endif
 #ifdef CONFIG_AML_VPU
@@ -221,21 +222,32 @@ int board_mmc_init(bd_t	*bis)
 #endif
 
 #ifdef CONFIG_SYS_I2C_AML
-struct aml_i2c_platform g_aml_i2c_plat = {
-	.wait_count         = 1000000,
-	.wait_ack_interval  = 5,
-	.wait_read_interval = 5,
-	.wait_xfer_interval = 5,
-	.master_no          = AML_I2C_MASTER_AO,
-	.use_pio            = 0,
-	.master_i2c_speed   = AML_I2C_SPPED_400K,
-	.master_ao_pinmux = {
-		.scl_reg    = (unsigned long)MESON_I2C_MASTER_AO_GPIOAO_4_REG,
-		.scl_bit    = MESON_I2C_MASTER_AO_GPIOAO_4_BIT,
-		.sda_reg    = (unsigned long)MESON_I2C_MASTER_AO_GPIOAO_5_REG,
-		.sda_bit    = MESON_I2C_MASTER_AO_GPIOAO_5_BIT,
-	}
+struct aml_i2c_platform g_aml_i2c_plat[] = {
+	{
+		.wait_count         = 1000000,
+		.wait_ack_interval  = 5,
+		.wait_read_interval = 5,
+		.wait_xfer_interval = 5,
+		.master_no          = AML_I2C_MASTER_B,
+		.use_pio            = 0,
+		.master_i2c_speed   = AML_I2C_SPPED_400K,
+		.master_b_pinmux = {
+			.scl_reg    = (unsigned long)MESON_I2C_MASTER_B_GPIOX_11_REG,
+			.scl_bit    = MESON_I2C_MASTER_B_GPIOX_11_BIT,
+			.sda_reg    = (unsigned long)MESON_I2C_MASTER_B_GPIOX_10_REG,
+			.sda_bit    = MESON_I2C_MASTER_B_GPIOX_10_BIT,
+		},
+	},
 };
+
+static void board_i2c_init(void)
+{
+	//Amlogic I2C controller initialized
+	//note: it must be call before any I2C operation
+	//aml_i2c_init();
+	extern void aml_i2c_set_ports(struct aml_i2c_platform *i2c_plat);
+	aml_i2c_set_ports(g_aml_i2c_plat);
+}
 #endif
 
 #if defined(CONFIG_BOARD_EARLY_INIT_F)
@@ -372,6 +384,7 @@ int board_late_init(void)
 	/* select the default mmc device */
 	mmc_select_hwpart(mmc_devnum, 0);
 #endif
+
 #ifdef CONFIG_AML_VPU
 	vpu_probe();
 #endif
@@ -386,6 +399,9 @@ int board_late_init(void)
 	board_cvbs_probe();
 #endif
 
+#ifdef CONFIG_SYS_I2C_AML
+	board_i2c_init();
+#endif
 	setenv("variant", board_is_odroidc4() ? "c4" : "hc4");
 	board_set_dtbfile("meson64_odroid%s.dtb");
 

diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c
@@ -1667,7 +1667,7 @@ static int do_i2c_show_bus(cmd_tbl_t *cmdtp, int flag, int argc,
  * on error.
  */
 #if defined(CONFIG_SYS_I2C) || defined(CONFIG_I2C_MULTI_BUS) || \
-		defined(CONFIG_DM_I2C)
+		defined(CONFIG_DM_I2C) || defined(CONFIG_SYS_I2C_AML)
 static int do_i2c_bus_num(cmd_tbl_t *cmdtp, int flag, int argc,
 				char * const argv[])
 {
@@ -1809,7 +1809,7 @@ static cmd_tbl_t cmd_i2c_sub[] = {
 	U_BOOT_CMD_MKENT(bus, 1, 1, do_i2c_show_bus, "", ""),
 #endif
 	U_BOOT_CMD_MKENT(crc32, 3, 1, do_i2c_crc, "", ""),
-#if defined(CONFIG_SYS_I2C) || \
+#if defined(CONFIG_SYS_I2C) || defined(CONFIG_SYS_I2C_AML) || \
 	defined(CONFIG_I2C_MULTI_BUS) || defined(CONFIG_DM_I2C)
 	U_BOOT_CMD_MKENT(dev, 1, 1, do_i2c_bus_num, "", ""),
 #endif  /* CONFIG_I2C_MULTI_BUS */
@@ -1872,11 +1872,11 @@ static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 /***************************************************/
 #ifdef CONFIG_SYS_LONGHELP
 static char i2c_help_text[] =
-#if defined(CONFIG_SYS_I2C)
+#if defined(CONFIG_SYS_I2C) || defined(CONFIG_SYS_I2C_AML)
 	"bus [muxtype:muxaddr:muxchannel] - show I2C bus info\n"
 #endif
 	"crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n"
-#if defined(CONFIG_SYS_I2C) || \
+#if defined(CONFIG_SYS_I2C) || defined(CONFIG_SYS_I2C_AML) || \
 	defined(CONFIG_I2C_MULTI_BUS) || defined(CONFIG_DM_I2C)
 	"i2c dev [dev] - show or set current I2C bus\n"
 #endif  /* CONFIG_I2C_MULTI_BUS */