diff options
Diffstat (limited to 'drivers/i2c/Kconfig')
| -rw-r--r-- | drivers/i2c/Kconfig | 180 |
1 files changed, 151 insertions, 29 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 63d03a3ceb..5d27f503bf 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -47,6 +47,35 @@ config SPL_DM_I2C device (bus child) info is kept as parent platdata. The interface is defined in include/i2c.h. +config SYS_I2C_LEGACY + bool "Enable legacy I2C subsystem and drivers" + depends on !DM_I2C + help + Enable the legacy I2C subsystem and drivers. While this is + deprecated in U-Boot itself, this can be useful in some situations + in SPL or TPL. + +config SPL_SYS_I2C_LEGACY + bool "Enable legacy I2C subsystem and drivers in SPL" + depends on SUPPORT_SPL && !SPL_DM_I2C + help + Enable the legacy I2C subsystem and drivers in SPL. This is useful + in some size constrained situations. + +config TPL_SYS_I2C_LEGACY + bool "Enable legacy I2C subsystem and drivers in TPL" + depends on SUPPORT_TPL && !SPL_DM_I2C + help + Enable the legacy I2C subsystem and drivers in TPL. This is useful + in some size constrained situations. + +config SYS_I2C_EARLY_INIT + bool "Enable legacy I2C subsystem early in boot" + depends on BOARD_EARLY_INIT_F && SPL_SYS_I2C_LEGACY && SYS_I2C_MXC + help + Add the function prototype for i2c_early_init_f which is called in + board_early_init_f. + config I2C_CROS_EC_TUNNEL tristate "Chrome OS EC tunnel I2C bus" depends on CROS_EC @@ -124,11 +153,36 @@ config SYS_I2C_IPROC config SYS_I2C_FSL bool "Freescale I2C bus driver" - depends on DM_I2C help Add support for Freescale I2C busses as used on MPC8240, MPC8245, and MPC85xx processors. +if SYS_I2C_FSL && (SYS_I2C_LEGACY || SPL_SYS_I2C_LEGACY) +config SYS_FSL_I2C_OFFSET + hex "Offset from the IMMR of the address of the first I2C controller" + +config SYS_FSL_HAS_I2C2_OFFSET + bool "Support a second I2C controller" + +config SYS_FSL_I2C2_OFFSET + hex "Offset from the IMMR of the address of the second I2C controller" + depends on SYS_FSL_HAS_I2C2_OFFSET + +config SYS_FSL_HAS_I2C3_OFFSET + bool "Support a third I2C controller" + +config SYS_FSL_I2C3_OFFSET + hex "Offset from the IMMR of the address of the third I2C controller" + depends on SYS_FSL_HAS_I2C3_OFFSET + +config SYS_FSL_HAS_I2C4_OFFSET + bool "Support a fourth I2C controller" + +config SYS_FSL_I2C4_OFFSET + hex "Offset from the IMMR of the address of the fourth I2C controller" + depends on SYS_FSL_HAS_I2C4_OFFSET +endif + config SYS_I2C_CADENCE tristate "Cadence I2C Controller" depends on DM_I2C @@ -205,10 +259,7 @@ config SYS_I2C_MXC channels and operating on standard mode up to 100 kbits/s and fast mode up to 400 kbits/s. -# These settings are not used with DM_I2C, however SPL doesn't use -# DM_I2C even if DM_I2C is enabled, and so might use these settings even -# when main u-boot does not! -if SYS_I2C_MXC && (!DM_I2C || SPL) +if SYS_I2C_MXC && (SYS_I2C_LEGACY || SPL_SYS_I2C_LEGACY) config SYS_I2C_MXC_I2C1 bool "NXP MXC I2C1" help @@ -267,7 +318,7 @@ config SYS_MXC_I2C1_SPEED MXC I2C Channel 1 speed config SYS_MXC_I2C1_SLAVE - int "I2C1 Slave" + hex "I2C1 Slave" default 0 help MXC I2C1 Slave @@ -282,7 +333,7 @@ config SYS_MXC_I2C2_SPEED MXC I2C Channel 2 speed config SYS_MXC_I2C2_SLAVE - int "I2C2 Slave" + hex "I2C2 Slave" default 0 help MXC I2C2 Slave @@ -296,7 +347,7 @@ config SYS_MXC_I2C3_SPEED MXC I2C Channel 3 speed config SYS_MXC_I2C3_SLAVE - int "I2C3 Slave" + hex "I2C3 Slave" default 0 help MXC I2C3 Slave @@ -310,7 +361,7 @@ config SYS_MXC_I2C4_SPEED MXC I2C Channel 4 speed config SYS_MXC_I2C4_SLAVE - int "I2C4 Slave" + hex "I2C4 Slave" default 0 help MXC I2C4 Slave @@ -324,7 +375,7 @@ config SYS_MXC_I2C5_SPEED MXC I2C Channel 5 speed config SYS_MXC_I2C5_SLAVE - int "I2C5 Slave" + hex "I2C5 Slave" default 0 help MXC I2C5 Slave @@ -338,7 +389,7 @@ config SYS_MXC_I2C6_SPEED MXC I2C Channel 6 speed config SYS_MXC_I2C6_SLAVE - int "I2C6 Slave" + hex "I2C6 Slave" default 0 help MXC I2C6 Slave @@ -352,7 +403,7 @@ config SYS_MXC_I2C7_SPEED MXC I2C Channel 7 speed config SYS_MXC_I2C7_SLAVE - int "I2C7 Slave" + hex "I2C7 Slave" default 0 help MXC I2C7 Slave @@ -366,7 +417,7 @@ config SYS_MXC_I2C8_SPEED MXC I2C Channel 8 speed config SYS_MXC_I2C8_SLAVE - int "I2C8 Slave" + hex "I2C8 Slave" default 0 help MXC I2C8 Slave @@ -394,20 +445,6 @@ config SYS_I2C_OMAP24XX help Add support for the OMAP2+ I2C driver. -if SYS_I2C_OMAP24XX -config SYS_OMAP24_I2C_SLAVE - int "I2C Slave addr channel 0" - default 1 - help - OMAP24xx I2C Slave address channel 0 - -config SYS_OMAP24_I2C_SPEED - int "I2C Slave channel 0 speed" - default 100000 - help - OMAP24xx Slave speed channel 0 -endif - config SYS_I2C_RCAR_I2C bool "Renesas RCar I2C driver" depends on (RCAR_GEN3 || RCAR_GEN2) && DM_I2C @@ -437,6 +474,73 @@ config SYS_I2C_SANDBOX bus. Devices can be attached to the bus using the device tree which specifies the driver to use. See sandbox.dts as an example. +config SYS_I2C_SH + bool "Legacy SuperH I2C interface" + depends on ARCH_RMOBILE && SYS_I2C_LEGACY + help + Enable the legacy SuperH I2C interface. + +if SYS_I2C_SH +config SYS_I2C_SH_NUM_CONTROLLERS + int + default 5 + +config SYS_I2C_SH_BASE0 + hex + default 0xE6820000 + +config SYS_I2C_SH_BASE1 + hex + default 0xE6822000 + +config SYS_I2C_SH_BASE2 + hex + default 0xE6824000 + +config SYS_I2C_SH_BASE3 + hex + default 0xE6826000 + +config SYS_I2C_SH_BASE4 + hex + default 0xE6828000 + +config SH_I2C_8BIT + bool + default y + +config SH_I2C_DATA_HIGH + int + default 4 + +config SH_I2C_DATA_LOW + int + default 5 + +config SH_I2C_CLOCK + int + default 104000000 +endif + +config SYS_I2C_SOFT + bool "Legacy software I2C interface" + help + Enable the legacy software defined I2C interface + +config SYS_I2C_SOFT_SPEED + int "Software I2C bus speed" + depends on SYS_I2C_SOFT + default 100000 + help + Speed of the software I2C bus + +config SYS_I2C_SOFT_SLAVE + hex "Software I2C slave address" + depends on SYS_I2C_SOFT + default 0xfe + help + Slave address of the software I2C bus + config SYS_I2C_OCTEON bool "Octeon II/III/TX/TX2 I2C driver" depends on (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2) && DM_I2C @@ -449,7 +553,7 @@ config SYS_I2C_OCTEON config SYS_I2C_S3C24X0 bool "Samsung I2C driver" - depends on ARCH_EXYNOS4 && DM_I2C + depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5) && DM_I2C help Support for Samsung I2C controller as Samsung SoCs. @@ -511,7 +615,6 @@ config SYS_I2C_VERSATILE config SYS_I2C_MVTWSI bool "Marvell I2C driver" - depends on DM_I2C help Support for Marvell I2C controllers as used on the orion5x and kirkwood SoC families. @@ -526,6 +629,25 @@ config TEGRA186_BPMP_I2C by the BPMP, and can only be accessed by the main CPU via IPC requests to the BPMP. This driver covers the latter case. +config SYS_I2C_SLAVE + hex "I2C Slave address channel (all buses)" + depends on SYS_I2C_LEGACY || SPL_SYS_I2C_LEGACY || TPL_SYS_I2C_LEGACY + default 0xfe + help + I2C Slave address channel 0 for all buses in the legacy drivers. + Many boards/controllers/drivers don't support an I2C slave + interface so provide a default slave address for them for use in + common code. A real value for CONFIG_SYS_I2C_SLAVE should be + defined for any board which does support a slave interface and + this default used otherwise. + +config SYS_I2C_SPEED + int "I2C Slave channel 0 speed (all buses)" + depends on SYS_I2C_LEGACY || SPL_SYS_I2C_LEGACY || TPL_SYS_I2C_LEGACY + default 100000 + help + I2C Slave speed channel 0 for all buses in the legacy drivers. + config SYS_I2C_BUS_MAX int "Max I2C busses" depends on ARCH_KEYSTONE || ARCH_OMAP2PLUS || ARCH_SOCFPGA |