diff mbox series

[RESEND,v8,7/8] dm: arm64: ls1046a: add i2c DM support

Message ID 20200205140217.15414-2-biwen.li@nxp.com
State Accepted
Commit bb1165f900088c796e254cc99c8f81d47e3d57c9
Headers show
Series None | expand

Commit Message

Biwen Li Feb. 5, 2020, 2:02 p.m. UTC 
This supports i2c DM and enables CONFIG_DM_I2C
for SoC LS1046A

Reviewed-by: Priyanka Jain <priyanka.jain at nxp.com>
Signed-off-by: Biwen Li <biwen.li at nxp.com>
---
Changes in RESEND v8:
	- fix build warning

Changes in v8:
	- none

Changes in v7:
	- none

Changes in v6:
	- correct dependencies

Changes in v5:
	- update subject

Changes in v4:
	- update copyright

Changes in v3:
	- none

Changes in v2:
	- merge some patches to one patch

 arch/arm/cpu/armv8/fsl-layerscape/Kconfig     | 10 ++--
 arch/arm/dts/fsl-ls1046a-frwy.dts             |  3 ++
 arch/arm/dts/fsl-ls1046a-qds.dtsi             |  4 ++
 arch/arm/dts/fsl-ls1046a-rdb.dts              |  8 ++++
 arch/arm/include/asm/gpio.h                   |  5 +-
 board/freescale/ls1046afrwy/ls1046afrwy.c     | 17 ++++++-
 board/freescale/ls1046aqds/ls1046aqds.c       | 25 ++++++++--
 configs/ls1046afrwy_tfa_defconfig             |  2 +
 configs/ls1046aqds_SECURE_BOOT_defconfig      |  2 +
 configs/ls1046aqds_defconfig                  |  2 +
 configs/ls1046aqds_lpuart_defconfig           |  2 +
 configs/ls1046aqds_nand_defconfig             |  2 +
 configs/ls1046aqds_qspi_defconfig             |  2 +
 configs/ls1046aqds_sdcard_ifc_defconfig       |  2 +
 configs/ls1046aqds_sdcard_qspi_defconfig      |  2 +
 configs/ls1046aqds_tfa_SECURE_BOOT_defconfig  |  2 +
 configs/ls1046aqds_tfa_defconfig              |  2 +
 configs/ls1046ardb_emmc_defconfig             |  2 +
 configs/ls1046ardb_qspi_SECURE_BOOT_defconfig |  2 +
 configs/ls1046ardb_qspi_defconfig             |  2 +
 configs/ls1046ardb_qspi_spl_defconfig         |  2 +
 .../ls1046ardb_sdcard_SECURE_BOOT_defconfig   |  2 +
 configs/ls1046ardb_sdcard_defconfig           |  2 +
 configs/ls1046ardb_tfa_SECURE_BOOT_defconfig  |  2 +
 configs/ls1046ardb_tfa_defconfig              |  2 +
 drivers/power/power_i2c.c                     | 46 ++++++++++++++++++-
 include/configs/ls1046a_common.h              | 11 +++++
 27 files changed, 150 insertions(+), 15 deletions(-)

Comments

Biwen Li March 4, 2020, 3:58 a.m. UTC | #1 
> 
> This supports i2c DM and enables CONFIG_DM_I2C for SoC LS1046A
Hi Priyanka,

Any comments?

Best Regards,
Biwen Li
> 
> Reviewed-by: Priyanka Jain <priyanka.jain at nxp.com>
> Signed-off-by: Biwen Li <biwen.li at nxp.com>
> ---
> Changes in RESEND v8:
> 	- fix build warning
> 
> Changes in v8:
> 	- none
> 
> Changes in v7:
> 	- none
> 
> Changes in v6:
> 	- correct dependencies
> 
> Changes in v5:
> 	- update subject
> 
> Changes in v4:
> 	- update copyright
> 
> Changes in v3:
> 	- none
> 
> Changes in v2:
> 	- merge some patches to one patch
> 
>  arch/arm/cpu/armv8/fsl-layerscape/Kconfig     | 10 ++--
>  arch/arm/dts/fsl-ls1046a-frwy.dts             |  3 ++
>  arch/arm/dts/fsl-ls1046a-qds.dtsi             |  4 ++
>  arch/arm/dts/fsl-ls1046a-rdb.dts              |  8 ++++
>  arch/arm/include/asm/gpio.h                   |  5 +-
>  board/freescale/ls1046afrwy/ls1046afrwy.c     | 17 ++++++-
>  board/freescale/ls1046aqds/ls1046aqds.c       | 25 ++++++++--
>  configs/ls1046afrwy_tfa_defconfig             |  2 +
>  configs/ls1046aqds_SECURE_BOOT_defconfig      |  2 +
>  configs/ls1046aqds_defconfig                  |  2 +
>  configs/ls1046aqds_lpuart_defconfig           |  2 +
>  configs/ls1046aqds_nand_defconfig             |  2 +
>  configs/ls1046aqds_qspi_defconfig             |  2 +
>  configs/ls1046aqds_sdcard_ifc_defconfig       |  2 +
>  configs/ls1046aqds_sdcard_qspi_defconfig      |  2 +
>  configs/ls1046aqds_tfa_SECURE_BOOT_defconfig  |  2 +
>  configs/ls1046aqds_tfa_defconfig              |  2 +
>  configs/ls1046ardb_emmc_defconfig             |  2 +
>  configs/ls1046ardb_qspi_SECURE_BOOT_defconfig |  2 +
>  configs/ls1046ardb_qspi_defconfig             |  2 +
>  configs/ls1046ardb_qspi_spl_defconfig         |  2 +
>  .../ls1046ardb_sdcard_SECURE_BOOT_defconfig   |  2 +
>  configs/ls1046ardb_sdcard_defconfig           |  2 +
>  configs/ls1046ardb_tfa_SECURE_BOOT_defconfig  |  2 +
>  configs/ls1046ardb_tfa_defconfig              |  2 +
>  drivers/power/power_i2c.c                     | 46
> ++++++++++++++++++-
>  include/configs/ls1046a_common.h              | 11 +++++
>  27 files changed, 150 insertions(+), 15 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> index 760053e401..b25639183f 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> @@ -107,11 +107,11 @@ config ARCH_LS1046A
>  	select SYS_FSL_SRDS_2
>  	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_I2C3
> -	select SYS_I2C_MXC_I2C4
> +	select SYS_I2C_MXC if !DM_I2C
> +	select SYS_I2C_MXC_I2C1 if !DM_I2C
> +	select SYS_I2C_MXC_I2C2 if !DM_I2C
> +	select SYS_I2C_MXC_I2C3 if !DM_I2C
> +	select SYS_I2C_MXC_I2C4 if !DM_I2C
>  	imply SCSI
>  	imply SCSI_AHCI
> 
> diff --git a/arch/arm/dts/fsl-ls1046a-frwy.dts
> b/arch/arm/dts/fsl-ls1046a-frwy.dts
> index 3d41e3bd44..d39159322a 100644
> --- a/arch/arm/dts/fsl-ls1046a-frwy.dts
> +++ b/arch/arm/dts/fsl-ls1046a-frwy.dts
> @@ -32,3 +32,6 @@
> 
>  };
> 
> +&i2c0 {
> +	status = "okay";
> +};
> diff --git a/arch/arm/dts/fsl-ls1046a-qds.dtsi
> b/arch/arm/dts/fsl-ls1046a-qds.dtsi
> index c95f44fc36..76dc397328 100644
> --- a/arch/arm/dts/fsl-ls1046a-qds.dtsi
> +++ b/arch/arm/dts/fsl-ls1046a-qds.dtsi
> @@ -80,3 +80,7 @@
>  &sata {
>  	status = "okay";
>  };
> +
> +&i2c0 {
> +	status = "okay";
> +};
> diff --git a/arch/arm/dts/fsl-ls1046a-rdb.dts
> b/arch/arm/dts/fsl-ls1046a-rdb.dts
> index a05c9e9b9e..83e34ab02a 100644
> --- a/arch/arm/dts/fsl-ls1046a-rdb.dts
> +++ b/arch/arm/dts/fsl-ls1046a-rdb.dts
> @@ -43,3 +43,11 @@
>  &sata {
>  	status = "okay";
>  };
> +
> +&i2c0 {
> +	status = "okay";
> +};
> +
> +&i2c3 {
> +	status = "okay";
> +};
> diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
> index c480e712fe..09573722ac 100644
> --- a/arch/arm/include/asm/gpio.h
> +++ b/arch/arm/include/asm/gpio.h
> @@ -3,8 +3,9 @@
>  	!defined(CONFIG_ARCH_BCM6858)
> && !defined(CONFIG_ARCH_BCM63158) && \
>  	!defined(CONFIG_ARCH_ROCKCHIP)
> && !defined(CONFIG_ARCH_LX2160A) && \
>  	!defined(CONFIG_ARCH_LS1012A) && !defined(CONFIG_ARCH_LS1028A)
> && \
> -	!defined(CONFIG_ARCH_LS1043A) && !defined(CONFIG_ARCH_LS2080A)
> && \
> -	!defined(CONFIG_ARCH_LS1088A) && !defined(CONFIG_ARCH_ASPEED)
> && \
> +	!defined(CONFIG_ARCH_LS1043A) && !defined(CONFIG_ARCH_LS1046A)
> && \
> +	!defined(CONFIG_ARCH_LS2080A) && !defined(CONFIG_ARCH_LS1088A)
> && \
> +	!defined(CONFIG_ARCH_ASPEED) && \
>  	!defined(CONFIG_ARCH_U8500)
>  #include <asm/arch/gpio.h>
>  #endif
> diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c
> b/board/freescale/ls1046afrwy/ls1046afrwy.c
> index db8b3a5b92..8c0abb63a9 100644
> --- a/board/freescale/ls1046afrwy/ls1046afrwy.c
> +++ b/board/freescale/ls1046afrwy/ls1046afrwy.c
> @@ -36,11 +36,24 @@
> 
>  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;
> @@ -149,7 +162,7 @@ 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;
>  }
> 
> diff --git a/board/freescale/ls1046aqds/ls1046aqds.c
> b/board/freescale/ls1046aqds/ls1046aqds.c
> index aac5d9aa84..cabd7ee648 100644
> --- a/board/freescale/ls1046aqds/ls1046aqds.c
> +++ b/board/freescale/ls1046aqds/ls1046aqds.c
> @@ -1,6 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0+
>  /*
>   * Copyright 2016 Freescale Semiconductor, Inc.
> + * Copyright 2019 NXP
>   */
> 
>  #include <common.h>
> @@ -269,11 +270,23 @@ u32 get_lpuart_clk(void)  }  #endif
> 
> -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;
> @@ -288,8 +301,10 @@ int dram_init(void)
>  	 * When resuming from deep sleep, the I2C channel may not be
>  	 * in the default channel. So, switch to the default channel
>  	 * before accessing DDR SPD.
> +	 *
> +	 * PCA9547 mount on I2C1 bus
>  	 */
> -	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
> +	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
>  	fsl_initdram();
>  #if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
>  	defined(CONFIG_SPL_BUILD)
> @@ -302,7 +317,7 @@ int dram_init(void)
> 
>  int i2c_multiplexer_select_vid_channel(u8 channel)  {
> -	return select_i2c_ch_pca9547(channel);
> +	return select_i2c_ch_pca9547(channel, 0);
>  }
> 
>  int board_early_init_f(void)
> @@ -315,8 +330,10 @@ int board_early_init_f(void)
>  	u8 uart;
>  #endif
> 
> +#ifdef CONFIG_SYS_I2C
>  #ifdef CONFIG_SYS_I2C_EARLY_INIT
>  	i2c_early_init_f();
> +#endif
>  #endif
>  	fsl_lsch2_early_init_f();
> 
> @@ -394,7 +411,7 @@ int misc_init_r(void)
> 
>  int board_init(void)
>  {
> -	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
> +	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
> 
>  #ifdef CONFIG_SYS_FSL_SERDES
>  	config_serdes_mux();
> diff --git a/configs/ls1046afrwy_tfa_defconfig
> b/configs/ls1046afrwy_tfa_defconfig
> index 96efee6736..30d8a6c1c9 100644
> --- a/configs/ls1046afrwy_tfa_defconfig
> +++ b/configs/ls1046afrwy_tfa_defconfig
> @@ -62,3 +62,5 @@ CONFIG_USB_HOST_ETHER=y
> CONFIG_USB_ETHER_RTL8152=y  CONFIG_USB_XHCI_HCD=y
> CONFIG_USB_XHCI_DWC3=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_SECURE_BOOT_defconfig
> b/configs/ls1046aqds_SECURE_BOOT_defconfig
> index 6ea27c7ba4..ed25b7a680 100644
> --- a/configs/ls1046aqds_SECURE_BOOT_defconfig
> +++ b/configs/ls1046aqds_SECURE_BOOT_defconfig
> @@ -60,3 +60,5 @@ CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_RSA=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_defconfig b/configs/ls1046aqds_defconfig
> index 04c1176d85..0a50bb14c0 100644
> --- a/configs/ls1046aqds_defconfig
> +++ b/configs/ls1046aqds_defconfig
> @@ -62,3 +62,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_lpuart_defconfig
> b/configs/ls1046aqds_lpuart_defconfig
> index b0a24f297e..17d1685081 100644
> --- a/configs/ls1046aqds_lpuart_defconfig
> +++ b/configs/ls1046aqds_lpuart_defconfig
> @@ -64,3 +64,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_nand_defconfig
> b/configs/ls1046aqds_nand_defconfig
> index 3ffe6a6ef9..0bafcbe168 100644
> --- a/configs/ls1046aqds_nand_defconfig
> +++ b/configs/ls1046aqds_nand_defconfig
> @@ -70,3 +70,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_qspi_defconfig
> b/configs/ls1046aqds_qspi_defconfig
> index d6253c790a..ff0fd45c9e 100644
> --- a/configs/ls1046aqds_qspi_defconfig
> +++ b/configs/ls1046aqds_qspi_defconfig
> @@ -58,3 +58,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_sdcard_ifc_defconfig
> b/configs/ls1046aqds_sdcard_ifc_defconfig
> index fad33163b6..78edb456b8 100644
> --- a/configs/ls1046aqds_sdcard_ifc_defconfig
> +++ b/configs/ls1046aqds_sdcard_ifc_defconfig
> @@ -80,3 +80,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_sdcard_qspi_defconfig
> b/configs/ls1046aqds_sdcard_qspi_defconfig
> index 3571a6f9e9..d085daf384 100644
> --- a/configs/ls1046aqds_sdcard_qspi_defconfig
> +++ b/configs/ls1046aqds_sdcard_qspi_defconfig
> @@ -74,3 +74,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
> b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
> index c50e525fd3..837b016d00 100644
> --- a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
> +++ b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
> @@ -62,3 +62,5 @@ CONFIG_USB_XHCI_DWC3=y  CONFIG_RSA=y
> CONFIG_EFI_LOADER_BOUNCE_BUFFER=y  CONFIG_CMD_SETEXPR=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046aqds_tfa_defconfig
> b/configs/ls1046aqds_tfa_defconfig
> index 824fc518ca..04e6b2392c 100644
> --- a/configs/ls1046aqds_tfa_defconfig
> +++ b/configs/ls1046aqds_tfa_defconfig
> @@ -71,3 +71,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_emmc_defconfig
> b/configs/ls1046ardb_emmc_defconfig
> index 768ce7a821..bbb352db31 100644
> --- a/configs/ls1046ardb_emmc_defconfig
> +++ b/configs/ls1046ardb_emmc_defconfig
> @@ -73,3 +73,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
> b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
> index aff9bf81fc..b9c8a8822c 100644
> --- a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
> +++ b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
> @@ -55,3 +55,5 @@ CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_RSA=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_qspi_defconfig
> b/configs/ls1046ardb_qspi_defconfig
> index b482e73bef..51edada3f8 100644
> --- a/configs/ls1046ardb_qspi_defconfig
> +++ b/configs/ls1046ardb_qspi_defconfig
> @@ -57,3 +57,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_qspi_spl_defconfig
> b/configs/ls1046ardb_qspi_spl_defconfig
> index 1e2770a9c0..84e059671c 100644
> --- a/configs/ls1046ardb_qspi_spl_defconfig
> +++ b/configs/ls1046ardb_qspi_spl_defconfig
> @@ -77,3 +77,5 @@ CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_SPL_GZIP=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
> b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
> index 1f5fa8ff03..9954e894da 100644
> --- a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
> +++ b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
> @@ -70,3 +70,5 @@ CONFIG_USB_XHCI_DWC3=y  CONFIG_RSA=y
> CONFIG_SPL_RSA=y  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_sdcard_defconfig
> b/configs/ls1046ardb_sdcard_defconfig
> index 197090474b..3502809756 100644
> --- a/configs/ls1046ardb_sdcard_defconfig
> +++ b/configs/ls1046ardb_sdcard_defconfig
> @@ -72,3 +72,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
> b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
> index 43a123625c..c8c6ae9396 100644
> --- a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
> +++ b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
> @@ -55,3 +55,5 @@ CONFIG_USB_XHCI_DWC3=y  CONFIG_RSA=y
> CONFIG_EFI_LOADER_BOUNCE_BUFFER=y  CONFIG_CMD_SETEXPR=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/configs/ls1046ardb_tfa_defconfig
> b/configs/ls1046ardb_tfa_defconfig
> index 280ca83d42..2f7686bafd 100644
> --- a/configs/ls1046ardb_tfa_defconfig
> +++ b/configs/ls1046ardb_tfa_defconfig
> @@ -58,3 +58,5 @@ CONFIG_DM_USB=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_DWC3=y
>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
> +CONFIG_DM_I2C=y
> +CONFIG_DM_GPIO=y
> diff --git a/drivers/power/power_i2c.c b/drivers/power/power_i2c.c index
> bcddff2d7a..b30f223a5c 100644
> --- a/drivers/power/power_i2c.c
> +++ b/drivers/power/power_i2c.c
> @@ -7,6 +7,7 @@
>   * Stefano Babic, DENX Software Engineering, sbabic at denx.de
>   *
>   * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
> + * (C) Copyright 2019 NXP
>   */
> 
>  #include <common.h>
> @@ -21,8 +22,20 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
> 
>  	if (check_reg(p, reg))
>  		return -EINVAL;
> +#if defined(CONFIG_DM_I2C)
> +	struct udevice *dev;
> +	int ret;
> 
> +	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
> +				      1, &dev);
> +	if (ret) {
> +		printf("%s: Cannot find udev for a bus %d\n", __func__,
> +		       p->bus);
> +		return -ENXIO;
> +	}
> +#else /* Non DM I2C support - will be removed */
>  	I2C_SET_BUS(p->bus);
> +#endif
> 
>  	switch (pmic_i2c_tx_num) {
>  	case 3:
> @@ -53,7 +66,11 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
>  		return -EINVAL;
>  	}
> 
> +#if defined(CONFIG_DM_I2C)
> +	return dm_i2c_write(dev, reg, buf, pmic_i2c_tx_num); #else
>  	return i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
> +#endif
>  }
> 
>  int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) @@ -65,9 +82,21 @@
> int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
>  	if (check_reg(p, reg))
>  		return -EINVAL;
> 
> -	I2C_SET_BUS(p->bus);
> +#if defined(CONFIG_DM_I2C)
> +	struct udevice *dev;
> 
> +	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
> +				      1, &dev);
> +	if (ret) {
> +		printf("%s: Cannot find udev for a bus %d\n", __func__,
> +		       p->bus);
> +		return -ENXIO;
> +	}
> +	ret = dm_i2c_read(dev, reg, buf, pmic_i2c_tx_num); #else /* Non DM I2C
> +support - will be removed */
> +	I2C_SET_BUS(p->bus);
>  	ret = i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
> +#endif
>  	if (ret)
>  		return ret;
> 
> @@ -100,12 +129,25 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32
> *val)
> 
>  int pmic_probe(struct pmic *p)
>  {
> -	i2c_set_bus_num(p->bus);
>  	debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name);
> +#if defined(CONFIG_DM_I2C)
> +	struct udevice *dev;
> +	int ret;
> +
> +	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
> +				      1, &dev);
> +	if (ret) {
> +		printf("%s: Cannot find udev for a bus %d\n", __func__,
> +		       p->bus);
> +		return -ENXIO;
> +	}
> +#else /* Non DM I2C support - will be removed */
> +	i2c_set_bus_num(p->bus);
>  	if (i2c_probe(pmic_i2c_addr)) {
>  		printf("Can't find PMIC:%s\n", p->name);
>  		return -ENODEV;
>  	}
> +#endif
> 
>  	return 0;
>  }
> diff --git a/include/configs/ls1046a_common.h
> b/include/configs/ls1046a_common.h
> index 6543cfd868..5d2d5e6bbf 100644
> --- a/include/configs/ls1046a_common.h
> +++ b/include/configs/ls1046a_common.h
> @@ -16,6 +16,7 @@
>  #define SPL_NO_QSPI
>  #define SPL_NO_USB
>  #define SPL_NO_SATA
> +#undef CONFIG_DM_I2C
>  #endif
>  #if defined(CONFIG_SPL_BUILD) && \
>  	(defined(CONFIG_NAND_BOOT) || defined(CONFIG_QSPI_BOOT)) @@
> -126,7 +127,17 @@  #endif
> 
>  /* I2C */
> +#ifndef CONFIG_DM_I2C
>  #define CONFIG_SYS_I2C
> +#define CONFIG_SYS_I2C_MXC
> +#define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
> +#define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
> +#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
> +#define CONFIG_SYS_I2C_MXC_I2C4		/* enable I2C bus 4 */
> +#else
> +#define CONFIG_I2C_SET_DEFAULT_BUS_NUM
> +#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0 #endif
> 
>  /* PCIe */
>  #define CONFIG_PCIE1		/* PCIE controller 1 */
> --
> 2.17.1
Priyanka Jain (OSS) March 6, 2020, 4:14 a.m. UTC | #2 
>-----Original Message-----
>From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Biwen Li
>Sent: Wednesday, March 4, 2020 9:28 AM
>To: Biwen Li <biwen.li at nxp.com>; Jagdish Gediya <jagdish.gediya at nxp.com>;
>Priyanka Jain <priyanka.jain at nxp.com>; hs at denx.de;
>jagan at amarulasolutions.com; aford173 at gmail.com; Alison Wang
><alison.wang at nxp.com>; jh80.chung at samsung.com; Pramod Kumar
><pramod.kumar_1 at nxp.com>; Rajesh Bhagat <rajesh.bhagat at nxp.com>;
>Ruchika Gupta <ruchika.gupta at nxp.com>; olteanv at gmail.com
>Cc: Xiaobo Xie <xiaobo.xie at nxp.com>; Jiafei Pan <jiafei.pan at nxp.com>; u-
>boot at lists.denx.de
>Subject: RE: [RESEND v8 7/8] dm: arm64: ls1046a: add i2c DM support
>
>>
>> This supports i2c DM and enables CONFIG_DM_I2C for SoC LS1046A
>Hi Priyanka,
>
>Any comments?
>
>Best Regards,
>Biwen Li
>>
I need to build check. Rest looks fine.
Priyanka
>> Reviewed-by: Priyanka Jain <priyanka.jain at nxp.com>
>> Signed-off-by: Biwen Li <biwen.li at nxp.com>
>> ---
>> Changes in RESEND v8:
>> 	- fix build warning
>>
>> Changes in v8:
>> 	- none
>>
>> Changes in v7:
>> 	- none
>>
>> Changes in v6:
>> 	- correct dependencies
>>
>> Changes in v5:
>> 	- update subject
>>
>> Changes in v4:
>> 	- update copyright
>>
>> Changes in v3:
>> 	- none
>>
>> Changes in v2:
>> 	- merge some patches to one patch
>>
>>  arch/arm/cpu/armv8/fsl-layerscape/Kconfig     | 10 ++--
>>  arch/arm/dts/fsl-ls1046a-frwy.dts             |  3 ++
>>  arch/arm/dts/fsl-ls1046a-qds.dtsi             |  4 ++
>>  arch/arm/dts/fsl-ls1046a-rdb.dts              |  8 ++++
>>  arch/arm/include/asm/gpio.h                   |  5 +-
>>  board/freescale/ls1046afrwy/ls1046afrwy.c     | 17 ++++++-
>>  board/freescale/ls1046aqds/ls1046aqds.c       | 25 ++++++++--
>>  configs/ls1046afrwy_tfa_defconfig             |  2 +
>>  configs/ls1046aqds_SECURE_BOOT_defconfig      |  2 +
>>  configs/ls1046aqds_defconfig                  |  2 +
>>  configs/ls1046aqds_lpuart_defconfig           |  2 +
>>  configs/ls1046aqds_nand_defconfig             |  2 +
>>  configs/ls1046aqds_qspi_defconfig             |  2 +
>>  configs/ls1046aqds_sdcard_ifc_defconfig       |  2 +
>>  configs/ls1046aqds_sdcard_qspi_defconfig      |  2 +
>>  configs/ls1046aqds_tfa_SECURE_BOOT_defconfig  |  2 +
>>  configs/ls1046aqds_tfa_defconfig              |  2 +
>>  configs/ls1046ardb_emmc_defconfig             |  2 +
>>  configs/ls1046ardb_qspi_SECURE_BOOT_defconfig |  2 +
>>  configs/ls1046ardb_qspi_defconfig             |  2 +
>>  configs/ls1046ardb_qspi_spl_defconfig         |  2 +
>>  .../ls1046ardb_sdcard_SECURE_BOOT_defconfig   |  2 +
>>  configs/ls1046ardb_sdcard_defconfig           |  2 +
>>  configs/ls1046ardb_tfa_SECURE_BOOT_defconfig  |  2 +
>>  configs/ls1046ardb_tfa_defconfig              |  2 +
>>  drivers/power/power_i2c.c                     | 46
>> ++++++++++++++++++-
>>  include/configs/ls1046a_common.h              | 11 +++++
>>  27 files changed, 150 insertions(+), 15 deletions(-)
>>
>> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
>> b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
>> index 760053e401..b25639183f 100644
>> --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
>> +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
>> @@ -107,11 +107,11 @@ config ARCH_LS1046A
>>  	select SYS_FSL_SRDS_2
>>  	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_I2C3
>> -	select SYS_I2C_MXC_I2C4
>> +	select SYS_I2C_MXC if !DM_I2C
>> +	select SYS_I2C_MXC_I2C1 if !DM_I2C
>> +	select SYS_I2C_MXC_I2C2 if !DM_I2C
>> +	select SYS_I2C_MXC_I2C3 if !DM_I2C
>> +	select SYS_I2C_MXC_I2C4 if !DM_I2C
>>  	imply SCSI
>>  	imply SCSI_AHCI
>>
>> diff --git a/arch/arm/dts/fsl-ls1046a-frwy.dts
>> b/arch/arm/dts/fsl-ls1046a-frwy.dts
>> index 3d41e3bd44..d39159322a 100644
>> --- a/arch/arm/dts/fsl-ls1046a-frwy.dts
>> +++ b/arch/arm/dts/fsl-ls1046a-frwy.dts
>> @@ -32,3 +32,6 @@
>>
>>  };
>>
>> +&i2c0 {
>> +	status = "okay";
>> +};
>> diff --git a/arch/arm/dts/fsl-ls1046a-qds.dtsi
>> b/arch/arm/dts/fsl-ls1046a-qds.dtsi
>> index c95f44fc36..76dc397328 100644
>> --- a/arch/arm/dts/fsl-ls1046a-qds.dtsi
>> +++ b/arch/arm/dts/fsl-ls1046a-qds.dtsi
>> @@ -80,3 +80,7 @@
>>  &sata {
>>  	status = "okay";
>>  };
>> +
>> +&i2c0 {
>> +	status = "okay";
>> +};
>> diff --git a/arch/arm/dts/fsl-ls1046a-rdb.dts
>> b/arch/arm/dts/fsl-ls1046a-rdb.dts
>> index a05c9e9b9e..83e34ab02a 100644
>> --- a/arch/arm/dts/fsl-ls1046a-rdb.dts
>> +++ b/arch/arm/dts/fsl-ls1046a-rdb.dts
>> @@ -43,3 +43,11 @@
>>  &sata {
>>  	status = "okay";
>>  };
>> +
>> +&i2c0 {
>> +	status = "okay";
>> +};
>> +
>> +&i2c3 {
>> +	status = "okay";
>> +};
>> diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
>> index c480e712fe..09573722ac 100644
>> --- a/arch/arm/include/asm/gpio.h
>> +++ b/arch/arm/include/asm/gpio.h
>> @@ -3,8 +3,9 @@
>>  	!defined(CONFIG_ARCH_BCM6858)
>> && !defined(CONFIG_ARCH_BCM63158) && \
>>  	!defined(CONFIG_ARCH_ROCKCHIP)
>> && !defined(CONFIG_ARCH_LX2160A) && \
>>  	!defined(CONFIG_ARCH_LS1012A) &&
>!defined(CONFIG_ARCH_LS1028A) && \
>> -	!defined(CONFIG_ARCH_LS1043A) &&
>!defined(CONFIG_ARCH_LS2080A)
>> && \
>> -	!defined(CONFIG_ARCH_LS1088A) && !defined(CONFIG_ARCH_ASPEED)
>> && \
>> +	!defined(CONFIG_ARCH_LS1043A) &&
>!defined(CONFIG_ARCH_LS1046A)
>> && \
>> +	!defined(CONFIG_ARCH_LS2080A) &&
>!defined(CONFIG_ARCH_LS1088A)
>> && \
>> +	!defined(CONFIG_ARCH_ASPEED) && \
>>  	!defined(CONFIG_ARCH_U8500)
>>  #include <asm/arch/gpio.h>
>>  #endif
>> diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c
>> b/board/freescale/ls1046afrwy/ls1046afrwy.c
>> index db8b3a5b92..8c0abb63a9 100644
>> --- a/board/freescale/ls1046afrwy/ls1046afrwy.c
>> +++ b/board/freescale/ls1046afrwy/ls1046afrwy.c
>> @@ -36,11 +36,24 @@
>>
>>  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;
>> @@ -149,7 +162,7 @@ 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;
>>  }
>>
>> diff --git a/board/freescale/ls1046aqds/ls1046aqds.c
>> b/board/freescale/ls1046aqds/ls1046aqds.c
>> index aac5d9aa84..cabd7ee648 100644
>> --- a/board/freescale/ls1046aqds/ls1046aqds.c
>> +++ b/board/freescale/ls1046aqds/ls1046aqds.c
>> @@ -1,6 +1,7 @@
>>  // SPDX-License-Identifier: GPL-2.0+
>>  /*
>>   * Copyright 2016 Freescale Semiconductor, Inc.
>> + * Copyright 2019 NXP
>>   */
>>
>>  #include <common.h>
>> @@ -269,11 +270,23 @@ u32 get_lpuart_clk(void)  }  #endif
>>
>> -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;
>> @@ -288,8 +301,10 @@ int dram_init(void)
>>  	 * When resuming from deep sleep, the I2C channel may not be
>>  	 * in the default channel. So, switch to the default channel
>>  	 * before accessing DDR SPD.
>> +	 *
>> +	 * PCA9547 mount on I2C1 bus
>>  	 */
>> -	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
>> +	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
>>  	fsl_initdram();
>>  #if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
>>  	defined(CONFIG_SPL_BUILD)
>> @@ -302,7 +317,7 @@ int dram_init(void)
>>
>>  int i2c_multiplexer_select_vid_channel(u8 channel)  {
>> -	return select_i2c_ch_pca9547(channel);
>> +	return select_i2c_ch_pca9547(channel, 0);
>>  }
>>
>>  int board_early_init_f(void)
>> @@ -315,8 +330,10 @@ int board_early_init_f(void)
>>  	u8 uart;
>>  #endif
>>
>> +#ifdef CONFIG_SYS_I2C
>>  #ifdef CONFIG_SYS_I2C_EARLY_INIT
>>  	i2c_early_init_f();
>> +#endif
>>  #endif
>>  	fsl_lsch2_early_init_f();
>>
>> @@ -394,7 +411,7 @@ int misc_init_r(void)
>>
>>  int board_init(void)
>>  {
>> -	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
>> +	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
>>
>>  #ifdef CONFIG_SYS_FSL_SERDES
>>  	config_serdes_mux();
>> diff --git a/configs/ls1046afrwy_tfa_defconfig
>> b/configs/ls1046afrwy_tfa_defconfig
>> index 96efee6736..30d8a6c1c9 100644
>> --- a/configs/ls1046afrwy_tfa_defconfig
>> +++ b/configs/ls1046afrwy_tfa_defconfig
>> @@ -62,3 +62,5 @@ CONFIG_USB_HOST_ETHER=y
>CONFIG_USB_ETHER_RTL8152=y
>> CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_SECURE_BOOT_defconfig
>> b/configs/ls1046aqds_SECURE_BOOT_defconfig
>> index 6ea27c7ba4..ed25b7a680 100644
>> --- a/configs/ls1046aqds_SECURE_BOOT_defconfig
>> +++ b/configs/ls1046aqds_SECURE_BOOT_defconfig
>> @@ -60,3 +60,5 @@ CONFIG_USB_XHCI_HCD=y  CONFIG_USB_XHCI_DWC3=y
>> CONFIG_RSA=y  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_defconfig
>> b/configs/ls1046aqds_defconfig index 04c1176d85..0a50bb14c0 100644
>> --- a/configs/ls1046aqds_defconfig
>> +++ b/configs/ls1046aqds_defconfig
>> @@ -62,3 +62,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_lpuart_defconfig
>> b/configs/ls1046aqds_lpuart_defconfig
>> index b0a24f297e..17d1685081 100644
>> --- a/configs/ls1046aqds_lpuart_defconfig
>> +++ b/configs/ls1046aqds_lpuart_defconfig
>> @@ -64,3 +64,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_nand_defconfig
>> b/configs/ls1046aqds_nand_defconfig
>> index 3ffe6a6ef9..0bafcbe168 100644
>> --- a/configs/ls1046aqds_nand_defconfig
>> +++ b/configs/ls1046aqds_nand_defconfig
>> @@ -70,3 +70,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_qspi_defconfig
>> b/configs/ls1046aqds_qspi_defconfig
>> index d6253c790a..ff0fd45c9e 100644
>> --- a/configs/ls1046aqds_qspi_defconfig
>> +++ b/configs/ls1046aqds_qspi_defconfig
>> @@ -58,3 +58,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_sdcard_ifc_defconfig
>> b/configs/ls1046aqds_sdcard_ifc_defconfig
>> index fad33163b6..78edb456b8 100644
>> --- a/configs/ls1046aqds_sdcard_ifc_defconfig
>> +++ b/configs/ls1046aqds_sdcard_ifc_defconfig
>> @@ -80,3 +80,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_sdcard_qspi_defconfig
>> b/configs/ls1046aqds_sdcard_qspi_defconfig
>> index 3571a6f9e9..d085daf384 100644
>> --- a/configs/ls1046aqds_sdcard_qspi_defconfig
>> +++ b/configs/ls1046aqds_sdcard_qspi_defconfig
>> @@ -74,3 +74,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
>> b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
>> index c50e525fd3..837b016d00 100644
>> --- a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
>> +++ b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
>> @@ -62,3 +62,5 @@ CONFIG_USB_XHCI_DWC3=y  CONFIG_RSA=y
>> CONFIG_EFI_LOADER_BOUNCE_BUFFER=y  CONFIG_CMD_SETEXPR=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046aqds_tfa_defconfig
>> b/configs/ls1046aqds_tfa_defconfig
>> index 824fc518ca..04e6b2392c 100644
>> --- a/configs/ls1046aqds_tfa_defconfig
>> +++ b/configs/ls1046aqds_tfa_defconfig
>> @@ -71,3 +71,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_emmc_defconfig
>> b/configs/ls1046ardb_emmc_defconfig
>> index 768ce7a821..bbb352db31 100644
>> --- a/configs/ls1046ardb_emmc_defconfig
>> +++ b/configs/ls1046ardb_emmc_defconfig
>> @@ -73,3 +73,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
>> b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
>> index aff9bf81fc..b9c8a8822c 100644
>> --- a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
>> +++ b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
>> @@ -55,3 +55,5 @@ CONFIG_USB_XHCI_HCD=y  CONFIG_USB_XHCI_DWC3=y
>> CONFIG_RSA=y  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_qspi_defconfig
>> b/configs/ls1046ardb_qspi_defconfig
>> index b482e73bef..51edada3f8 100644
>> --- a/configs/ls1046ardb_qspi_defconfig
>> +++ b/configs/ls1046ardb_qspi_defconfig
>> @@ -57,3 +57,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_qspi_spl_defconfig
>> b/configs/ls1046ardb_qspi_spl_defconfig
>> index 1e2770a9c0..84e059671c 100644
>> --- a/configs/ls1046ardb_qspi_spl_defconfig
>> +++ b/configs/ls1046ardb_qspi_spl_defconfig
>> @@ -77,3 +77,5 @@ CONFIG_USB_XHCI_HCD=y  CONFIG_USB_XHCI_DWC3=y
>> CONFIG_SPL_GZIP=y  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
>> b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
>> index 1f5fa8ff03..9954e894da 100644
>> --- a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
>> +++ b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
>> @@ -70,3 +70,5 @@ CONFIG_USB_XHCI_DWC3=y  CONFIG_RSA=y
>> CONFIG_SPL_RSA=y  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_sdcard_defconfig
>> b/configs/ls1046ardb_sdcard_defconfig
>> index 197090474b..3502809756 100644
>> --- a/configs/ls1046ardb_sdcard_defconfig
>> +++ b/configs/ls1046ardb_sdcard_defconfig
>> @@ -72,3 +72,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
>> b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
>> index 43a123625c..c8c6ae9396 100644
>> --- a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
>> +++ b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
>> @@ -55,3 +55,5 @@ CONFIG_USB_XHCI_DWC3=y  CONFIG_RSA=y
>> CONFIG_EFI_LOADER_BOUNCE_BUFFER=y  CONFIG_CMD_SETEXPR=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/configs/ls1046ardb_tfa_defconfig
>> b/configs/ls1046ardb_tfa_defconfig
>> index 280ca83d42..2f7686bafd 100644
>> --- a/configs/ls1046ardb_tfa_defconfig
>> +++ b/configs/ls1046ardb_tfa_defconfig
>> @@ -58,3 +58,5 @@ CONFIG_DM_USB=y
>>  CONFIG_USB_XHCI_HCD=y
>>  CONFIG_USB_XHCI_DWC3=y
>>  CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
>> +CONFIG_DM_I2C=y
>> +CONFIG_DM_GPIO=y
>> diff --git a/drivers/power/power_i2c.c b/drivers/power/power_i2c.c
>> index bcddff2d7a..b30f223a5c 100644
>> --- a/drivers/power/power_i2c.c
>> +++ b/drivers/power/power_i2c.c
>> @@ -7,6 +7,7 @@
>>   * Stefano Babic, DENX Software Engineering, sbabic at denx.de
>>   *
>>   * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
>> + * (C) Copyright 2019 NXP
>>   */
>>
>>  #include <common.h>
>> @@ -21,8 +22,20 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32
>> val)
>>
>>  	if (check_reg(p, reg))
>>  		return -EINVAL;
>> +#if defined(CONFIG_DM_I2C)
>> +	struct udevice *dev;
>> +	int ret;
>>
>> +	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
>> +				      1, &dev);
>> +	if (ret) {
>> +		printf("%s: Cannot find udev for a bus %d\n", __func__,
>> +		       p->bus);
>> +		return -ENXIO;
>> +	}
>> +#else /* Non DM I2C support - will be removed */
>>  	I2C_SET_BUS(p->bus);
>> +#endif
>>
>>  	switch (pmic_i2c_tx_num) {
>>  	case 3:
>> @@ -53,7 +66,11 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
>>  		return -EINVAL;
>>  	}
>>
>> +#if defined(CONFIG_DM_I2C)
>> +	return dm_i2c_write(dev, reg, buf, pmic_i2c_tx_num); #else
>>  	return i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
>> +#endif
>>  }
>>
>>  int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) @@ -65,9 +82,21
>> @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
>>  	if (check_reg(p, reg))
>>  		return -EINVAL;
>>
>> -	I2C_SET_BUS(p->bus);
>> +#if defined(CONFIG_DM_I2C)
>> +	struct udevice *dev;
>>
>> +	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
>> +				      1, &dev);
>> +	if (ret) {
>> +		printf("%s: Cannot find udev for a bus %d\n", __func__,
>> +		       p->bus);
>> +		return -ENXIO;
>> +	}
>> +	ret = dm_i2c_read(dev, reg, buf, pmic_i2c_tx_num); #else /* Non DM
>> +I2C support - will be removed */
>> +	I2C_SET_BUS(p->bus);
>>  	ret = i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
>> +#endif
>>  	if (ret)
>>  		return ret;
>>
>> @@ -100,12 +129,25 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32
>> *val)
>>
>>  int pmic_probe(struct pmic *p)
>>  {
>> -	i2c_set_bus_num(p->bus);
>>  	debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name);
>> +#if defined(CONFIG_DM_I2C)
>> +	struct udevice *dev;
>> +	int ret;
>> +
>> +	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
>> +				      1, &dev);
>> +	if (ret) {
>> +		printf("%s: Cannot find udev for a bus %d\n", __func__,
>> +		       p->bus);
>> +		return -ENXIO;
>> +	}
>> +#else /* Non DM I2C support - will be removed */
>> +	i2c_set_bus_num(p->bus);
>>  	if (i2c_probe(pmic_i2c_addr)) {
>>  		printf("Can't find PMIC:%s\n", p->name);
>>  		return -ENODEV;
>>  	}
>> +#endif
>>
>>  	return 0;
>>  }
>> diff --git a/include/configs/ls1046a_common.h
>> b/include/configs/ls1046a_common.h
>> index 6543cfd868..5d2d5e6bbf 100644
>> --- a/include/configs/ls1046a_common.h
>> +++ b/include/configs/ls1046a_common.h
>> @@ -16,6 +16,7 @@
>>  #define SPL_NO_QSPI
>>  #define SPL_NO_USB
>>  #define SPL_NO_SATA
>> +#undef CONFIG_DM_I2C
>>  #endif
>>  #if defined(CONFIG_SPL_BUILD) && \
>>  	(defined(CONFIG_NAND_BOOT) || defined(CONFIG_QSPI_BOOT)) @@
>> -126,7 +127,17 @@  #endif
>>
>>  /* I2C */
>> +#ifndef CONFIG_DM_I2C
>>  #define CONFIG_SYS_I2C
>> +#define CONFIG_SYS_I2C_MXC
>> +#define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
>> +#define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
>> +#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
>> +#define CONFIG_SYS_I2C_MXC_I2C4		/* enable I2C bus 4 */
>> +#else
>> +#define CONFIG_I2C_SET_DEFAULT_BUS_NUM #define
>> +CONFIG_I2C_DEFAULT_BUS_NUMBER 0 #endif
>>
>>  /* PCIe */
>>  #define CONFIG_PCIE1		/* PCIE controller 1 */
>> --
>> 2.17.1
diff mbox series

Patch

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 760053e401..b25639183f 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -107,11 +107,11 @@  config ARCH_LS1046A
 	select SYS_FSL_SRDS_2
 	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_I2C3
-	select SYS_I2C_MXC_I2C4
+	select SYS_I2C_MXC if !DM_I2C
+	select SYS_I2C_MXC_I2C1 if !DM_I2C
+	select SYS_I2C_MXC_I2C2 if !DM_I2C
+	select SYS_I2C_MXC_I2C3 if !DM_I2C
+	select SYS_I2C_MXC_I2C4 if !DM_I2C
 	imply SCSI
 	imply SCSI_AHCI
 
diff --git a/arch/arm/dts/fsl-ls1046a-frwy.dts b/arch/arm/dts/fsl-ls1046a-frwy.dts
index 3d41e3bd44..d39159322a 100644
--- a/arch/arm/dts/fsl-ls1046a-frwy.dts
+++ b/arch/arm/dts/fsl-ls1046a-frwy.dts
@@ -32,3 +32,6 @@ 
 
 };
 
+&i2c0 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/fsl-ls1046a-qds.dtsi b/arch/arm/dts/fsl-ls1046a-qds.dtsi
index c95f44fc36..76dc397328 100644
--- a/arch/arm/dts/fsl-ls1046a-qds.dtsi
+++ b/arch/arm/dts/fsl-ls1046a-qds.dtsi
@@ -80,3 +80,7 @@ 
 &sata {
 	status = "okay";
 };
+
+&i2c0 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/fsl-ls1046a-rdb.dts b/arch/arm/dts/fsl-ls1046a-rdb.dts
index a05c9e9b9e..83e34ab02a 100644
--- a/arch/arm/dts/fsl-ls1046a-rdb.dts
+++ b/arch/arm/dts/fsl-ls1046a-rdb.dts
@@ -43,3 +43,11 @@ 
 &sata {
 	status = "okay";
 };
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c3 {
+	status = "okay";
+};
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index c480e712fe..09573722ac 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -3,8 +3,9 @@ 
 	!defined(CONFIG_ARCH_BCM6858) && !defined(CONFIG_ARCH_BCM63158) && \
 	!defined(CONFIG_ARCH_ROCKCHIP) && !defined(CONFIG_ARCH_LX2160A) && \
 	!defined(CONFIG_ARCH_LS1012A) && !defined(CONFIG_ARCH_LS1028A) && \
-	!defined(CONFIG_ARCH_LS1043A) && !defined(CONFIG_ARCH_LS2080A) && \
-	!defined(CONFIG_ARCH_LS1088A) && !defined(CONFIG_ARCH_ASPEED) && \
+	!defined(CONFIG_ARCH_LS1043A) && !defined(CONFIG_ARCH_LS1046A) && \
+	!defined(CONFIG_ARCH_LS2080A) && !defined(CONFIG_ARCH_LS1088A) && \
+	!defined(CONFIG_ARCH_ASPEED) && \
 	!defined(CONFIG_ARCH_U8500)
 #include <asm/arch/gpio.h>
 #endif
diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c b/board/freescale/ls1046afrwy/ls1046afrwy.c
index db8b3a5b92..8c0abb63a9 100644
--- a/board/freescale/ls1046afrwy/ls1046afrwy.c
+++ b/board/freescale/ls1046afrwy/ls1046afrwy.c
@@ -36,11 +36,24 @@ 
 
 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;
@@ -149,7 +162,7 @@  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;
 }
 
diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c
index aac5d9aa84..cabd7ee648 100644
--- a/board/freescale/ls1046aqds/ls1046aqds.c
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -1,6 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
+ * Copyright 2019 NXP
  */
 
 #include <common.h>
@@ -269,11 +270,23 @@  u32 get_lpuart_clk(void)
 }
 #endif
 
-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;
@@ -288,8 +301,10 @@  int dram_init(void)
 	 * When resuming from deep sleep, the I2C channel may not be
 	 * in the default channel. So, switch to the default channel
 	 * before accessing DDR SPD.
+	 *
+	 * PCA9547 mount on I2C1 bus
 	 */
-	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
 	fsl_initdram();
 #if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
 	defined(CONFIG_SPL_BUILD)
@@ -302,7 +317,7 @@  int dram_init(void)
 
 int i2c_multiplexer_select_vid_channel(u8 channel)
 {
-	return select_i2c_ch_pca9547(channel);
+	return select_i2c_ch_pca9547(channel, 0);
 }
 
 int board_early_init_f(void)
@@ -315,8 +330,10 @@  int board_early_init_f(void)
 	u8 uart;
 #endif
 
+#ifdef CONFIG_SYS_I2C
 #ifdef CONFIG_SYS_I2C_EARLY_INIT
 	i2c_early_init_f();
+#endif
 #endif
 	fsl_lsch2_early_init_f();
 
@@ -394,7 +411,7 @@  int misc_init_r(void)
 
 int board_init(void)
 {
-	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
 
 #ifdef CONFIG_SYS_FSL_SERDES
 	config_serdes_mux();
diff --git a/configs/ls1046afrwy_tfa_defconfig b/configs/ls1046afrwy_tfa_defconfig
index 96efee6736..30d8a6c1c9 100644
--- a/configs/ls1046afrwy_tfa_defconfig
+++ b/configs/ls1046afrwy_tfa_defconfig
@@ -62,3 +62,5 @@  CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_RTL8152=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_SECURE_BOOT_defconfig b/configs/ls1046aqds_SECURE_BOOT_defconfig
index 6ea27c7ba4..ed25b7a680 100644
--- a/configs/ls1046aqds_SECURE_BOOT_defconfig
+++ b/configs/ls1046aqds_SECURE_BOOT_defconfig
@@ -60,3 +60,5 @@  CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_RSA=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_defconfig b/configs/ls1046aqds_defconfig
index 04c1176d85..0a50bb14c0 100644
--- a/configs/ls1046aqds_defconfig
+++ b/configs/ls1046aqds_defconfig
@@ -62,3 +62,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_lpuart_defconfig b/configs/ls1046aqds_lpuart_defconfig
index b0a24f297e..17d1685081 100644
--- a/configs/ls1046aqds_lpuart_defconfig
+++ b/configs/ls1046aqds_lpuart_defconfig
@@ -64,3 +64,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_nand_defconfig b/configs/ls1046aqds_nand_defconfig
index 3ffe6a6ef9..0bafcbe168 100644
--- a/configs/ls1046aqds_nand_defconfig
+++ b/configs/ls1046aqds_nand_defconfig
@@ -70,3 +70,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_qspi_defconfig b/configs/ls1046aqds_qspi_defconfig
index d6253c790a..ff0fd45c9e 100644
--- a/configs/ls1046aqds_qspi_defconfig
+++ b/configs/ls1046aqds_qspi_defconfig
@@ -58,3 +58,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_sdcard_ifc_defconfig b/configs/ls1046aqds_sdcard_ifc_defconfig
index fad33163b6..78edb456b8 100644
--- a/configs/ls1046aqds_sdcard_ifc_defconfig
+++ b/configs/ls1046aqds_sdcard_ifc_defconfig
@@ -80,3 +80,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_sdcard_qspi_defconfig b/configs/ls1046aqds_sdcard_qspi_defconfig
index 3571a6f9e9..d085daf384 100644
--- a/configs/ls1046aqds_sdcard_qspi_defconfig
+++ b/configs/ls1046aqds_sdcard_qspi_defconfig
@@ -74,3 +74,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
index c50e525fd3..837b016d00 100644
--- a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig
@@ -62,3 +62,5 @@  CONFIG_USB_XHCI_DWC3=y
 CONFIG_RSA=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
 CONFIG_CMD_SETEXPR=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046aqds_tfa_defconfig b/configs/ls1046aqds_tfa_defconfig
index 824fc518ca..04e6b2392c 100644
--- a/configs/ls1046aqds_tfa_defconfig
+++ b/configs/ls1046aqds_tfa_defconfig
@@ -71,3 +71,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_emmc_defconfig b/configs/ls1046ardb_emmc_defconfig
index 768ce7a821..bbb352db31 100644
--- a/configs/ls1046ardb_emmc_defconfig
+++ b/configs/ls1046ardb_emmc_defconfig
@@ -73,3 +73,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
index aff9bf81fc..b9c8a8822c 100644
--- a/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
+++ b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig
@@ -55,3 +55,5 @@  CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_RSA=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_qspi_defconfig b/configs/ls1046ardb_qspi_defconfig
index b482e73bef..51edada3f8 100644
--- a/configs/ls1046ardb_qspi_defconfig
+++ b/configs/ls1046ardb_qspi_defconfig
@@ -57,3 +57,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_qspi_spl_defconfig b/configs/ls1046ardb_qspi_spl_defconfig
index 1e2770a9c0..84e059671c 100644
--- a/configs/ls1046ardb_qspi_spl_defconfig
+++ b/configs/ls1046ardb_qspi_spl_defconfig
@@ -77,3 +77,5 @@  CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_SPL_GZIP=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
index 1f5fa8ff03..9954e894da 100644
--- a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
+++ b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig
@@ -70,3 +70,5 @@  CONFIG_USB_XHCI_DWC3=y
 CONFIG_RSA=y
 CONFIG_SPL_RSA=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_sdcard_defconfig b/configs/ls1046ardb_sdcard_defconfig
index 197090474b..3502809756 100644
--- a/configs/ls1046ardb_sdcard_defconfig
+++ b/configs/ls1046ardb_sdcard_defconfig
@@ -72,3 +72,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
index 43a123625c..c8c6ae9396 100644
--- a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig
@@ -55,3 +55,5 @@  CONFIG_USB_XHCI_DWC3=y
 CONFIG_RSA=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
 CONFIG_CMD_SETEXPR=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/configs/ls1046ardb_tfa_defconfig b/configs/ls1046ardb_tfa_defconfig
index 280ca83d42..2f7686bafd 100644
--- a/configs/ls1046ardb_tfa_defconfig
+++ b/configs/ls1046ardb_tfa_defconfig
@@ -58,3 +58,5 @@  CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
diff --git a/drivers/power/power_i2c.c b/drivers/power/power_i2c.c
index bcddff2d7a..b30f223a5c 100644
--- a/drivers/power/power_i2c.c
+++ b/drivers/power/power_i2c.c
@@ -7,6 +7,7 @@ 
  * Stefano Babic, DENX Software Engineering, sbabic at denx.de
  *
  * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+ * (C) Copyright 2019 NXP
  */
 
 #include <common.h>
@@ -21,8 +22,20 @@  int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
 
 	if (check_reg(p, reg))
 		return -EINVAL;
+#if defined(CONFIG_DM_I2C)
+	struct udevice *dev;
+	int ret;
 
+	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
+				      1, &dev);
+	if (ret) {
+		printf("%s: Cannot find udev for a bus %d\n", __func__,
+		       p->bus);
+		return -ENXIO;
+	}
+#else /* Non DM I2C support - will be removed */
 	I2C_SET_BUS(p->bus);
+#endif
 
 	switch (pmic_i2c_tx_num) {
 	case 3:
@@ -53,7 +66,11 @@  int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
 		return -EINVAL;
 	}
 
+#if defined(CONFIG_DM_I2C)
+	return dm_i2c_write(dev, reg, buf, pmic_i2c_tx_num);
+#else
 	return i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
+#endif
 }
 
 int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
@@ -65,9 +82,21 @@  int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
 	if (check_reg(p, reg))
 		return -EINVAL;
 
-	I2C_SET_BUS(p->bus);
+#if defined(CONFIG_DM_I2C)
+	struct udevice *dev;
 
+	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
+				      1, &dev);
+	if (ret) {
+		printf("%s: Cannot find udev for a bus %d\n", __func__,
+		       p->bus);
+		return -ENXIO;
+	}
+	ret = dm_i2c_read(dev, reg, buf, pmic_i2c_tx_num);
+#else /* Non DM I2C support - will be removed */
+	I2C_SET_BUS(p->bus);
 	ret = i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
+#endif
 	if (ret)
 		return ret;
 
@@ -100,12 +129,25 @@  int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
 
 int pmic_probe(struct pmic *p)
 {
-	i2c_set_bus_num(p->bus);
 	debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name);
+#if defined(CONFIG_DM_I2C)
+	struct udevice *dev;
+	int ret;
+
+	ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr,
+				      1, &dev);
+	if (ret) {
+		printf("%s: Cannot find udev for a bus %d\n", __func__,
+		       p->bus);
+		return -ENXIO;
+	}
+#else /* Non DM I2C support - will be removed */
+	i2c_set_bus_num(p->bus);
 	if (i2c_probe(pmic_i2c_addr)) {
 		printf("Can't find PMIC:%s\n", p->name);
 		return -ENODEV;
 	}
+#endif
 
 	return 0;
 }
diff --git a/include/configs/ls1046a_common.h b/include/configs/ls1046a_common.h
index 6543cfd868..5d2d5e6bbf 100644
--- a/include/configs/ls1046a_common.h
+++ b/include/configs/ls1046a_common.h
@@ -16,6 +16,7 @@ 
 #define SPL_NO_QSPI
 #define SPL_NO_USB
 #define SPL_NO_SATA
+#undef CONFIG_DM_I2C
 #endif
 #if defined(CONFIG_SPL_BUILD) && \
 	(defined(CONFIG_NAND_BOOT) || defined(CONFIG_QSPI_BOOT))
@@ -126,7 +127,17 @@ 
 #endif
 
 /* I2C */
+#ifndef CONFIG_DM_I2C
 #define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
+#define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
+#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
+#define CONFIG_SYS_I2C_MXC_I2C4		/* enable I2C bus 4 */
+#else
+#define CONFIG_I2C_SET_DEFAULT_BUS_NUM
+#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0
+#endif
 
 /* PCIe */
 #define CONFIG_PCIE1		/* PCIE controller 1 */