This supports i2c DM and enables CONFIG_DM_I2C for SoC LS1046A
Reviewed-by: Priyanka Jain priyanka.jain@nxp.com Signed-off-by: Biwen Li biwen.li@nxp.com --- Changes in v4: - update copyright
Changes in v3: - none
Changes in v2: - merge some patches to one patch
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 | 1 + 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 | 6 +++ 26 files changed, 138 insertions(+), 8 deletions(-)
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 45cb04801c..9adebf6c04 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -4,6 +4,7 @@ !defined(CONFIG_ARCH_LX2160A) && !defined(CONFIG_ARCH_LS1028A) && \ !defined(CONFIG_ARCH_LS2080A) && !defined(CONFIG_ARCH_LS1088A) && \ !defined(CONFIG_ARCH_LS1012A) && !defined(CONFIG_ARCH_LS1043A) && \ + !defined(CONFIG_ARCH_LS1046A) && \ !defined(CONFIG_ARCH_ASPEED) #include <asm/arch/gpio.h> #endif diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c b/board/freescale/ls1046afrwy/ls1046afrwy.c index ac2f8ee436..4a9189b3ee 100644 --- a/board/freescale/ls1046afrwy/ls1046afrwy.c +++ b/board/freescale/ls1046afrwy/ls1046afrwy.c @@ -35,11 +35,24 @@
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; @@ -144,7 +157,7 @@ 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 4137eda995..01617f62bc 100644 --- a/configs/ls1046afrwy_tfa_defconfig +++ b/configs/ls1046afrwy_tfa_defconfig @@ -58,3 +58,5 @@ CONFIG_USB=y CONFIG_DM_USB=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 159ac3c367..c121af71ac 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 96d14d4270..6ff8829279 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 38b48e999f..db9cc5d13e 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 5fbb573ccc..ac3628acb4 100644 --- a/configs/ls1046aqds_nand_defconfig +++ b/configs/ls1046aqds_nand_defconfig @@ -69,3 +69,5 @@ 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 7339aba903..7690105022 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 caa7a4db82..bb8dd3273a 100644 --- a/configs/ls1046aqds_sdcard_ifc_defconfig +++ b/configs/ls1046aqds_sdcard_ifc_defconfig @@ -79,3 +79,5 @@ 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 88ed9b2aff..1aa04e61c3 100644 --- a/configs/ls1046aqds_sdcard_qspi_defconfig +++ b/configs/ls1046aqds_sdcard_qspi_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/ls1046aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig index e173747923..6a9391478b 100644 --- a/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1046aqds_tfa_SECURE_BOOT_defconfig @@ -61,3 +61,5 @@ 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_tfa_defconfig b/configs/ls1046aqds_tfa_defconfig index 83e94ec7db..1a22096aae 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 4979cb3159..c35ce51360 100644 --- a/configs/ls1046ardb_emmc_defconfig +++ b/configs/ls1046ardb_emmc_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_qspi_SECURE_BOOT_defconfig b/configs/ls1046ardb_qspi_SECURE_BOOT_defconfig index 469ef7670a..e799ce1262 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 934f04a92e..6de5ff5358 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 cd808d8567..1d7f4e15cf 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 7551b9d7d6..8181c1117a 100644 --- a/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig +++ b/configs/ls1046ardb_sdcard_SECURE_BOOT_defconfig @@ -69,3 +69,5 @@ 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 8bade9df11..2279d352f4 100644 --- a/configs/ls1046ardb_sdcard_defconfig +++ b/configs/ls1046ardb_sdcard_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_tfa_SECURE_BOOT_defconfig b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig index 9aeb33138b..c2f3725603 100644 --- a/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1046ardb_tfa_SECURE_BOOT_defconfig @@ -54,3 +54,5 @@ 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_tfa_defconfig b/configs/ls1046ardb_tfa_defconfig index 2772fa5f93..8e4e5baf01 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@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 cc8f4c0210..648e3c8027 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)) @@ -127,7 +128,12 @@ #endif
/* 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
/* PCIe */ #define CONFIG_PCIE1 /* PCIE controller 1 */