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

Priyanka Jain (OSS) priyanka.jain at oss.nxp.com
Fri Mar 6 05:14:59 CET 2020


>-----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



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