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dm: gpio: Add of-platdata support

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Add support for accessing GPIOs using of-plata. This uses the same
mechanism as for clocks, but allows use of the xlate() method so that
the driver can interpret the parameters.

Update the condition for GPIO_HOG so that it is not built into SPL,
since it needs SPL_OF_REAL which is not enabled in sandbox_spl.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2021-08-07 07:24:12 -06:00
parent 3e57ad907c
commit 48609d0789
9 changed files with 93 additions and 9 deletions
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2
configs/sandbox_noinst_defconfig
View File

@@ -1,4 +1,5 @@
CONFIG_SYS_TEXT_BASE=0x200000
CONFIG_SPL_GPIO=y
CONFIG_SPL_LIBCOMMON_SUPPORT=y
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_NR_DRAM_BANKS=1
@@ -122,6 +123,7 @@ CONFIG_SANDBOX_GPIO=y
CONFIG_I2C_CROS_EC_TUNNEL=y
CONFIG_I2C_CROS_EC_LDO=y
CONFIG_DM_I2C_GPIO=y
# CONFIG_SPL_DM_I2C_GPIO is not set
CONFIG_SYS_I2C_SANDBOX=y
CONFIG_I2C_MUX=y
CONFIG_I2C_ARB_GPIO_CHALLENGE=y

2
configs/sandbox_spl_defconfig
View File

@@ -1,4 +1,5 @@
CONFIG_SYS_TEXT_BASE=0x200000
CONFIG_SPL_GPIO=y
CONFIG_SPL_LIBCOMMON_SUPPORT=y
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_NR_DRAM_BANKS=1
@@ -124,6 +125,7 @@ CONFIG_SANDBOX_GPIO=y
CONFIG_I2C_CROS_EC_TUNNEL=y
CONFIG_I2C_CROS_EC_LDO=y
CONFIG_DM_I2C_GPIO=y
# CONFIG_SPL_DM_I2C_GPIO is not set
CONFIG_SYS_I2C_SANDBOX=y
CONFIG_I2C_MUX=y
CONFIG_I2C_ARB_GPIO_CHALLENGE=y