dm: arm64: ls1012a: add i2c DM support
This supports i2c DM and enables CONFIG_DM_I2C
for SoC LS1012A
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index e2b92f0..275c66d 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -16,8 +16,8 @@
select ARCH_EARLY_INIT_R
select BOARD_EARLY_INIT_F
select SYS_I2C_MXC
- select SYS_I2C_MXC_I2C1
- select SYS_I2C_MXC_I2C2
+ select SYS_I2C_MXC_I2C1 if !DM_I2C
+ select SYS_I2C_MXC_I2C2 if !DM_I2C
imply PANIC_HANG
config ARCH_LS1028A
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index acb7ea9..39ffc18 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -4,6 +4,7 @@
!defined(CONFIG_ARCH_ROCKCHIP) && !defined(CONFIG_ARCH_LX2160A) && \
!defined(CONFIG_ARCH_LS1028A) && !defined(CONFIG_ARCH_LS2080A) && \
!defined(CONFIG_ARCH_LS1088A) && !defined(CONFIG_ARCH_ASPEED) && \
+ !defined(CONFIG_ARCH_LS1012A) && \
!defined(CONFIG_ARCH_U8500)
#include <asm/arch/gpio.h>
#endif
diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c
index 86c72ee..30bf104 100644
--- a/board/freescale/ls1012aqds/ls1012aqds.c
+++ b/board/freescale/ls1012aqds/ls1012aqds.c
@@ -107,10 +107,26 @@
int misc_init_r(void)
{
u8 mux_sdhc_cd = 0x80;
+ int bus_num = 0;
- i2c_set_bus_num(0);
+#ifdef CONFIG_DM_I2C
+ struct udevice *dev;
+ int ret;
+
+ ret = i2c_get_chip_for_busnum(bus_num, CONFIG_SYS_I2C_FPGA_ADDR,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return ret;
+ }
+ dm_i2c_write(dev, 0x5a, &mux_sdhc_cd, 1);
+#else
+ i2c_set_bus_num(bus_num);
i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1);
+#endif
+
return 0;
}
#endif
diff --git a/board/freescale/ls1012ardb/eth.c b/board/freescale/ls1012ardb/eth.c
index 3cc0a65..5edcfcf 100644
--- a/board/freescale/ls1012ardb/eth.c
+++ b/board/freescale/ls1012ardb/eth.c
@@ -28,12 +28,47 @@
{
#ifdef CONFIG_TARGET_LS1012ARDB
/* Through reset IO expander reset both RGMII and SGMII PHYs */
+#ifdef CONFIG_DM_I2C
+ struct udevice *dev;
+ int ret;
+
+ /*
+ * The I2C IO-expander PCAL9555A is mouted on I2C1 bus(bus number is 0).
+ */
+ ret = i2c_get_chip_for_busnum(0, I2C_MUX_IO2_ADDR,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ 0);
+ return;
+ }
+ /* Config port 0
+ * - config pin IOXP_RST_ETH1_B and IOXP_RST_ETH2_B
+ * are enabled as an output.
+ */
+ dm_i2c_reg_write(dev, 6, __PHY_MASK);
+
+ /*
+ * Set port 0 output a value to reset ETH2 interface
+ * - pin IOXP_RST_ETH2_B output 0b0
+ */
+ dm_i2c_reg_write(dev, 2, __PHY_ETH2_MASK);
+ mdelay(10);
+ dm_i2c_reg_write(dev, 2, __PHY_ETH1_MASK);
+ /*
+ * Set port 0 output a value to reset ETH1 interface
+ * - pin IOXP_RST_ETH1_B output 0b0
+ */
+ mdelay(10);
+ dm_i2c_reg_write(dev, 2, 0xFF);
+#else
i2c_reg_write(I2C_MUX_IO2_ADDR, 6, __PHY_MASK);
i2c_reg_write(I2C_MUX_IO2_ADDR, 2, __PHY_ETH2_MASK);
mdelay(10);
i2c_reg_write(I2C_MUX_IO2_ADDR, 2, __PHY_ETH1_MASK);
mdelay(10);
i2c_reg_write(I2C_MUX_IO2_ADDR, 2, 0xFF);
+#endif
mdelay(50);
#endif
}
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c
index 0f665c7..ab83ef1 100644
--- a/board/freescale/ls1012ardb/ls1012ardb.c
+++ b/board/freescale/ls1012ardb/ls1012ardb.c
@@ -34,13 +34,27 @@
{
#ifdef CONFIG_TARGET_LS1012ARDB
u8 in1;
+ int ret, bus_num = 0;
puts("Board: LS1012ARDB ");
/* Initialize i2c early for Serial flash bank information */
- i2c_set_bus_num(0);
+#if defined(CONFIG_DM_I2C)
+ struct udevice *dev;
- if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1) < 0) {
+ ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_IO_ADDR,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return -ENXIO;
+ }
+ ret = dm_i2c_read(dev, I2C_MUX_IO_1, &in1, 1);
+#else /* Non DM I2C support - will be removed */
+ i2c_set_bus_num(bus_num);
+ ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1);
+#endif
+ if (ret < 0) {
printf("Error reading i2c boot information!\n");
return 0; /* Don't want to hang() on this error */
}
@@ -175,11 +189,25 @@
bool sdhc2_en = false;
u8 mux_sdhc2;
u8 io = 0;
+ int ret, bus_num = 0;
- i2c_set_bus_num(0);
+#if defined(CONFIG_DM_I2C)
+ struct udevice *dev;
+ ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_IO_ADDR,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return -ENXIO;
+ }
+ ret = dm_i2c_read(dev, I2C_MUX_IO_1, &io, 1);
+#else
+ i2c_set_bus_num(bus_num);
/* IO1[7:3] is the field of board revision info. */
- if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1) < 0) {
+ ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1);
+#endif
+ if (ret < 0) {
printf("Error reading i2c boot information!\n");
return 0;
}
@@ -202,7 +230,12 @@
* 10 - eMMC Memory
* 11 - SPI
*/
- if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1) < 0) {
+#if defined(CONFIG_DM_I2C)
+ ret = dm_i2c_read(dev, I2C_MUX_IO_0, &io, 1);
+#else
+ ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1);
+#endif
+ if (ret < 0) {
printf("Error reading i2c boot information!\n");
return 0;
}
@@ -233,16 +266,63 @@
static int switch_to_bank1(void)
{
- u8 data;
- int ret;
+ u8 data = 0xf4, chip_addr = 0x24, offset_addr = 0x03;
+ int ret, bus_num = 0;
- i2c_set_bus_num(0);
+#if defined(CONFIG_DM_I2C)
+ struct udevice *dev;
+
+ ret = i2c_get_chip_for_busnum(bus_num, chip_addr,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return -ENXIO;
+ }
+ /*
+ * --------------------------------------------------------------------
+ * |bus |I2C address| Device | Notes |
+ * --------------------------------------------------------------------
+ * |I2C1|0x24, 0x25,| IO expander (CFG,| Provides 16bits of General |
+ * | |0x26 | RESET, and INT/ | Purpose parallel Input/Output|
+ * | | | KW41GPIO) - NXP | (GPIO) expansion for the |
+ * | | | PCAL9555AHF | I2C bus |
+ * ----- --------------------------------------------------------------
+ * - mount three IO expander(PCAL9555AHF) on I2C1
+ *
+ * PCAL9555A device address
+ * slave address
+ * --------------------------------------
+ * | 0 | 1 | 0 | 0 | A2 | A1 | A0 | R/W |
+ * --------------------------------------
+ * | fixed | hardware selectable|
+ *
+ * Output port 1(Pinter register bits = 0x03)
+ *
+ * P1_[7~0] = 0xf4
+ * P1_0 <---> CFG_MUX_QSPI_S0
+ * P1_1 <---> CFG_MUX_QSPI_S1
+ * CFG_MUX_QSPI_S[1:0] = 0b00
+ *
+ * QSPI chip-select demultiplexer select
+ * ---------------------------------------------------------------------
+ * CFG_MUX_QSPI_S1|CFG_MUX_QSPI_S0| Values
+ * ---------------------------------------------------------------------
+ * 0 | 0 |CS routed to SPI memory bank1(default)
+ * ---------------------------------------------------------------------
+ * 0 | 1 |CS routed to SPI memory bank2
+ * ---------------------------------------------------------------------
+ *
+ */
+ ret = dm_i2c_write(dev, offset_addr, &data, 1);
+#else /* Non DM I2C support - will be removed */
+ i2c_set_bus_num(bus_num);
+ ret = i2c_write(chip_addr, offset_addr, 1, &data, 1);
+#endif
- data = 0xf4;
- ret = i2c_write(0x24, 0x3, 1, &data, 1);
if (ret) {
printf("i2c write error to chip : %u, addr : %u, data : %u\n",
- 0x24, 0x3, data);
+ chip_addr, offset_addr, data);
}
return ret;
@@ -250,25 +330,45 @@
static int switch_to_bank2(void)
{
- u8 data;
- int ret;
+ u8 data[2] = {0xfc, 0xf5}, offset_addr[2] = {0x7, 0x3};
+ u8 chip_addr = 0x24;
+ int ret, i, bus_num = 0;
- i2c_set_bus_num(0);
+#if defined(CONFIG_DM_I2C)
+ struct udevice *dev;
- data = 0xfc;
- ret = i2c_write(0x24, 0x7, 1, &data, 1);
+ ret = i2c_get_chip_for_busnum(bus_num, chip_addr,
+ 1, &dev);
if (ret) {
- printf("i2c write error to chip : %u, addr : %u, data : %u\n",
- 0x24, 0x7, data);
- goto err;
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return -ENXIO;
}
+#else /* Non DM I2C support - will be removed */
+ i2c_set_bus_num(bus_num);
+#endif
- data = 0xf5;
- ret = i2c_write(0x24, 0x3, 1, &data, 1);
- if (ret) {
- printf("i2c write error to chip : %u, addr : %u, data : %u\n",
- 0x24, 0x3, data);
+ /*
+ * 1th step: config port 1
+ * - the port 1 pin is enabled as an output
+ * 2th step: output port 1
+ * - P1_[7:0] output 0xf5,
+ * then CFG_MUX_QSPI_S[1:0] equal to 0b01,
+ * CS routed to SPI memory bank2
+ */
+ for (i = 0; i < sizeof(data); i++) {
+#if defined(CONFIG_DM_I2C)
+ ret = dm_i2c_write(dev, offset_addr[i], &data[i], 1);
+#else /* Non DM I2C support - will be removed */
+ ret = i2c_write(chip_addr, offset_addr[i], 1, &data[i], 1);
+#endif
+ if (ret) {
+ printf("i2c write error to chip : %u, addr : %u, data : %u\n",
+ chip_addr, offset_addr[i], data[i]);
+ goto err;
+ }
}
+
err:
return ret;
}
diff --git a/configs/ls1012a2g5rdb_qspi_defconfig b/configs/ls1012a2g5rdb_qspi_defconfig
index be8b2e5..dabe2b5 100644
--- a/configs/ls1012a2g5rdb_qspi_defconfig
+++ b/configs/ls1012a2g5rdb_qspi_defconfig
@@ -52,3 +52,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012a2g5rdb_tfa_defconfig b/configs/ls1012a2g5rdb_tfa_defconfig
index 0a035a8..2a5713b 100644
--- a/configs/ls1012a2g5rdb_tfa_defconfig
+++ b/configs/ls1012a2g5rdb_tfa_defconfig
@@ -52,3 +52,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012afrdm_qspi_defconfig b/configs/ls1012afrdm_qspi_defconfig
index 7258d47..e5196de 100644
--- a/configs/ls1012afrdm_qspi_defconfig
+++ b/configs/ls1012afrdm_qspi_defconfig
@@ -52,3 +52,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012afrdm_tfa_defconfig b/configs/ls1012afrdm_tfa_defconfig
index 85f87ba..4b55b0c 100644
--- a/configs/ls1012afrdm_tfa_defconfig
+++ b/configs/ls1012afrdm_tfa_defconfig
@@ -52,3 +52,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig b/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig
index a3c6fe7..14fdef4 100644
--- a/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig
+++ b/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig
@@ -54,3 +54,6 @@
CONFIG_USB_XHCI_DWC3=y
CONFIG_RSA=y
CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012afrwy_qspi_defconfig b/configs/ls1012afrwy_qspi_defconfig
index eb732a1..6ca5599 100644
--- a/configs/ls1012afrwy_qspi_defconfig
+++ b/configs/ls1012afrwy_qspi_defconfig
@@ -54,3 +54,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig b/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig
index 92d8599..79e4de9 100644
--- a/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig
@@ -55,3 +55,6 @@
CONFIG_RSA=y
CONFIG_CMD_SETEXPR=y
CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012afrwy_tfa_defconfig b/configs/ls1012afrwy_tfa_defconfig
index ca732c4..5f1469e 100644
--- a/configs/ls1012afrwy_tfa_defconfig
+++ b/configs/ls1012afrwy_tfa_defconfig
@@ -60,3 +60,6 @@
CONFIG_USB_HOST_ETHER=y
CONFIG_USB_ETHER_RTL8152=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012aqds_qspi_defconfig b/configs/ls1012aqds_qspi_defconfig
index 1d6bcc5..3708f42 100644
--- a/configs/ls1012aqds_qspi_defconfig
+++ b/configs/ls1012aqds_qspi_defconfig
@@ -76,3 +76,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig
index f525544..ac9e920 100644
--- a/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig
@@ -68,3 +68,6 @@
CONFIG_USB_XHCI_DWC3=y
CONFIG_RSA=y
CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012aqds_tfa_defconfig b/configs/ls1012aqds_tfa_defconfig
index 656de21..b1e3e51 100644
--- a/configs/ls1012aqds_tfa_defconfig
+++ b/configs/ls1012aqds_tfa_defconfig
@@ -76,3 +76,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig b/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig
index a7d1f95..c59d744 100644
--- a/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig
+++ b/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig
@@ -58,3 +58,6 @@
CONFIG_USB_XHCI_DWC3=y
CONFIG_RSA=y
CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012ardb_qspi_defconfig b/configs/ls1012ardb_qspi_defconfig
index f3fede7..8ae63ef 100644
--- a/configs/ls1012ardb_qspi_defconfig
+++ b/configs/ls1012ardb_qspi_defconfig
@@ -60,3 +60,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig
index 2ecd507..19a2e5b 100644
--- a/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig
@@ -58,3 +58,6 @@
CONFIG_USB_XHCI_DWC3=y
CONFIG_RSA=y
CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/configs/ls1012ardb_tfa_defconfig b/configs/ls1012ardb_tfa_defconfig
index cb457ab..b47a47d 100644
--- a/configs/ls1012ardb_tfa_defconfig
+++ b/configs/ls1012ardb_tfa_defconfig
@@ -61,3 +61,6 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_RTC=y
diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h
index 2579e2f..e9baa2a 100644
--- a/include/configs/ls1012a_common.h
+++ b/include/configs/ls1012a_common.h
@@ -66,7 +66,12 @@
CONFIG_SYS_SCSI_MAX_LUN)
/* I2C */
+#ifndef CONFIG_DM_I2C
#define CONFIG_SYS_I2C
+#else
+#define CONFIG_I2C_SET_DEFAULT_BUS_NUM
+#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0
+#endif
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1