drivers: gpio: rename PCAL9535A to PCA95XX
PCA95XX is a series of compatible I2C-based GPIO expanders, with common registers on input/output, polarity and configuration. This renames the original PCAL9535A driver to PCA95XX to indicate that it can support this series. Additional features on variants are guarded by kconfigs. Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
parent
dfce0617f4
commit
eafd0d9d21
6 changed files with 313 additions and 251 deletions
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@ -16,7 +16,7 @@ zephyr_library_sources_ifdef(CONFIG_GPIO_MCUX_LPC gpio_mcux_lpc.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_MMIO32 gpio_mmio32.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_XEC gpio_mchp_xec.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_NRFX gpio_nrfx.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_PCAL9535A gpio_pcal9535a.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_PCA95XX gpio_pca95xx.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_STM32 gpio_stm32.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_SAM0 gpio_sam0.c)
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zephyr_library_sources_ifdef(CONFIG_GPIO_SAM gpio_sam.c)
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@ -21,7 +21,7 @@ config GPIO_SHELL
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source "drivers/gpio/Kconfig.dw"
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source "drivers/gpio/Kconfig.pcal9535a"
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source "drivers/gpio/Kconfig.pca95xx"
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source "drivers/gpio/Kconfig.mcux"
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148
drivers/gpio/Kconfig.pca95xx
Normal file
148
drivers/gpio/Kconfig.pca95xx
Normal file
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@ -0,0 +1,148 @@
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# PCA95XX GPIO configuration options
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# Copyright (c) 2016 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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menuconfig GPIO_PCA95XX
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bool "PCA95XX I2C-based GPIO chip"
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depends on I2C
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help
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Enable driver for PCA95XX I2C-based GPIO chip.
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if GPIO_PCA95XX
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config GPIO_PCA95XX_INIT_PRIORITY
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int "Init priority"
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default 70
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help
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Device driver initialization priority.
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config GPIO_PCA95XX_0
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bool "PCA95XX GPIO chip #0"
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help
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Enable config options for the PCA95XX I2C-based GPIO chip #0.
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config GPIO_PCA95XX_0_DEV_NAME
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string "PCA95XX GPIO chip #0 Device Name"
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depends on GPIO_PCA95XX_0
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default "GPIO_P0"
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help
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Specify the device name for the PCA95XX I2C-based GPIO chip #0.
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config GPIO_PCA95XX_0_I2C_ADDR
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hex "PCA95XX GPIO chip #0 I2C slave address"
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depends on GPIO_PCA95XX_0
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help
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Specify the I2C slave address for the PCA95XX I2C-based GPIO chip #0.
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config GPIO_PCA95XX_0_I2C_MASTER_DEV_NAME
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string "I2C Master where PCA95XX GPIO chip #0 is connected"
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depends on GPIO_PCA95XX_0
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help
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Specify the device name of the I2C master device to which this
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PCA95XX chip #0 is binded.
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config GPIO_PCA95XX_0_HAS_PUD
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bool "PCA95XX GPIO chip #0 supports pull-up/pull-down"
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depends on GPIO_PCA95XX_0
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help
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Enable if the PCA95XX I2C-based GPIO chip #0 supports
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pull-up/pull-down.
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config GPIO_PCA95XX_1
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bool "PCA95XX GPIO chip #1"
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help
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Enable config options for the PCA95XX I2C-based GPIO chip #1.
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config GPIO_PCA95XX_1_DEV_NAME
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string "PCA95XX GPIO chip #1 Device Name"
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depends on GPIO_PCA95XX_1
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default "GPIO_P1"
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help
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Specify the device name for the PCA95XX I2C-based GPIO chip #1.
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config GPIO_PCA95XX_1_I2C_ADDR
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hex "PCA95XX GPIO chip #1 I2C slave address"
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depends on GPIO_PCA95XX_1
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help
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Specify the I2C slave address for the PCA95XX I2C-based GPIO chip #1.
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config GPIO_PCA95XX_1_I2C_MASTER_DEV_NAME
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string "I2C Master where PCA95XX GPIO chip #1 is connected"
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depends on GPIO_PCA95XX_1
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help
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Specify the device name of the I2C master device to which this
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PCA95XX chip #1 is binded.
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config GPIO_PCA95XX_1_HAS_PUD
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bool "PCA95XX GPIO chip #1 supports pull-up/pull-down"
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depends on GPIO_PCA95XX_1
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help
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Enable if the PCA95XX I2C-based GPIO chip #1 supports
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pull-up/pull-down.
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config GPIO_PCA95XX_2
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bool "PCA95XX GPIO chip #2"
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help
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Enable config options for the PCA95XX I2C-based GPIO chip #2.
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config GPIO_PCA95XX_2_DEV_NAME
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string "PCA95XX GPIO chip #2 Device Name"
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depends on GPIO_PCA95XX_2
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default "GPIO_P2"
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help
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Specify the device name for the PCA95XX I2C-based GPIO chip #2.
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config GPIO_PCA95XX_2_I2C_ADDR
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hex "PCA95XX GPIO chip #2 I2C slave address"
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depends on GPIO_PCA95XX_2
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help
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Specify the I2C slave address for the PCA95XX I2C-based GPIO chip #2.
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config GPIO_PCA95XX_2_I2C_MASTER_DEV_NAME
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string "I2C Master where PCA95XX GPIO chip #2 is connected"
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depends on GPIO_PCA95XX_2
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help
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Specify the device name of the I2C master device to which this
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PCA95XX chip #2 is binded.
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config GPIO_PCA95XX_2_HAS_PUD
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bool "PCA95XX GPIO chip #2 supports pull-up/pull-down"
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depends on GPIO_PCA95XX_2
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help
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Enable if the PCA95XX I2C-based GPIO chip #2 supports
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pull-up/pull-down.
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config GPIO_PCA95XX_3
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bool "PCA95XX GPIO chip #3"
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help
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Enable config options for the PCA95XX I2C-based GPIO chip #3.
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config GPIO_PCA95XX_3_DEV_NAME
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string "PCA95XX GPIO chip #3 Device Name"
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depends on GPIO_PCA95XX_3
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default "GPIO_P3"
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help
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Specify the device name for the PCA95XX I2C-based GPIO chip #3.
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config GPIO_PCA95XX_3_I2C_ADDR
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hex "PCA95XX GPIO chip #3 I2C slave address"
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depends on GPIO_PCA95XX_3
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help
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Specify the I2C slave address for the PCA95XX I2C-based GPIO chip #3.
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config GPIO_PCA95XX_3_I2C_MASTER_DEV_NAME
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string "I2C Master where PCA95XX GPIO chip #3 is connected"
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depends on GPIO_PCA95XX_3
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help
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Specify the device name of the I2C master device to which this
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PCA95XX chip #3 is binded.
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config GPIO_PCA95XX_3_HAS_PUD
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bool "PCA95XX GPIO chip #3 supports pull-up/pull-down"
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depends on GPIO_PCA95XX_3
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help
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Enable if the PCA95XX I2C-based GPIO chip #3 supports
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pull-up/pull-down.
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endif # GPIO_PCA95XX
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@ -1,120 +0,0 @@
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# PCAL9535A GPIO configuration options
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# Copyright (c) 2016 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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menuconfig GPIO_PCAL9535A
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bool "PCAL9535A I2C-based GPIO chip"
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depends on I2C
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help
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Enable driver for PCAL9535A I2C-based GPIO chip.
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if GPIO_PCAL9535A
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config GPIO_PCAL9535A_INIT_PRIORITY
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int "Init priority"
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default 70
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help
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Device driver initialization priority.
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config GPIO_PCAL9535A_0
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bool "PCAL9535A GPIO chip #0"
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help
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Enable config options for the PCAL9535A I2C-based GPIO chip #0.
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config GPIO_PCAL9535A_0_DEV_NAME
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string "PCAL9535A GPIO chip #0 Device Name"
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depends on GPIO_PCAL9535A_0
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default "GPIO_P0"
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help
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Specify the device name for the PCAL9535A I2C-based GPIO chip #0.
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config GPIO_PCAL9535A_0_I2C_ADDR
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hex "PCAL9535A GPIO chip #0 I2C slave address"
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depends on GPIO_PCAL9535A_0
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help
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Specify the I2C slave address for the PCAL9535A I2C-based GPIO chip #0.
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config GPIO_PCAL9535A_0_I2C_MASTER_DEV_NAME
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string "I2C Master where PCAL9535A GPIO chip #0 is connected"
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depends on GPIO_PCAL9535A_0
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help
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Specify the device name of the I2C master device to which this
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PCAL9535A chip #0 is binded.
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config GPIO_PCAL9535A_1
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bool "PCAL9535A GPIO chip #1"
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help
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Enable config options for the PCAL9535A I2C-based GPIO chip #1.
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config GPIO_PCAL9535A_1_DEV_NAME
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string "PCAL9535A GPIO chip #1 Device Name"
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depends on GPIO_PCAL9535A_1
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default "GPIO_P1"
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help
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Specify the device name for the PCAL9535A I2C-based GPIO chip #1.
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config GPIO_PCAL9535A_1_I2C_ADDR
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hex "PCAL9535A GPIO chip #1 I2C slave address"
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depends on GPIO_PCAL9535A_1
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help
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Specify the I2C slave address for the PCAL9535A I2C-based GPIO chip #1.
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config GPIO_PCAL9535A_1_I2C_MASTER_DEV_NAME
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string "I2C Master where PCAL9535A GPIO chip #1 is connected"
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depends on GPIO_PCAL9535A_1
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help
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Specify the device name of the I2C master device to which this
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PCAL9535A chip #1 is binded.
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config GPIO_PCAL9535A_2
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bool "PCAL9535A GPIO chip #2"
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help
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Enable config options for the PCAL9535A I2C-based GPIO chip #2.
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config GPIO_PCAL9535A_2_DEV_NAME
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string "PCAL9535A GPIO chip #2 Device Name"
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depends on GPIO_PCAL9535A_2
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default "GPIO_P2"
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help
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Specify the device name for the PCAL9535A I2C-based GPIO chip #2.
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config GPIO_PCAL9535A_2_I2C_ADDR
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hex "PCAL9535A GPIO chip #2 I2C slave address"
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depends on GPIO_PCAL9535A_2
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help
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Specify the I2C slave address for the PCAL9535A I2C-based GPIO chip #2.
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config GPIO_PCAL9535A_2_I2C_MASTER_DEV_NAME
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string "I2C Master where PCAL9535A GPIO chip #2 is connected"
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depends on GPIO_PCAL9535A_2
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help
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Specify the device name of the I2C master device to which this
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PCAL9535A chip #2 is binded.
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config GPIO_PCAL9535A_3
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bool "PCAL9535A GPIO chip #3"
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help
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Enable config options for the PCAL9535A I2C-based GPIO chip #3.
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config GPIO_PCAL9535A_3_DEV_NAME
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string "PCAL9535A GPIO chip #3 Device Name"
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depends on GPIO_PCAL9535A_3
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default "GPIO_P3"
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help
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Specify the device name for the PCAL9535A I2C-based GPIO chip #3.
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config GPIO_PCAL9535A_3_I2C_ADDR
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hex "PCAL9535A GPIO chip #3 I2C slave address"
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depends on GPIO_PCAL9535A_3
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help
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Specify the I2C slave address for the PCAL9535A I2C-based GPIO chip #3.
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config GPIO_PCAL9535A_3_I2C_MASTER_DEV_NAME
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string "I2C Master where PCAL9535A GPIO chip #3 is connected"
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depends on GPIO_PCAL9535A_3
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help
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Specify the device name of the I2C master device to which this
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PCAL9535A chip #3 is binded.
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endif # GPIO_PCAL9535A
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@ -5,7 +5,7 @@
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*/
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/**
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* @file Driver for PCAL9535A I2C-based GPIO driver.
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* @file Driver for PCA95XX I2C-based GPIO driver.
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*/
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#include <errno.h>
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@ -17,11 +17,11 @@
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#include <drivers/gpio.h>
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#include <drivers/i2c.h>
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#include "gpio_pcal9535a.h"
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#include "gpio_pca95xx.h"
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#define LOG_LEVEL CONFIG_GPIO_LOG_LEVEL
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#include <logging/log.h>
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LOG_MODULE_REGISTER(gpio_pcal9535a);
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LOG_MODULE_REGISTER(gpio_pca95xx);
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/* Register definitions */
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#define REG_INPUT_PORT0 0x00
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@ -48,36 +48,39 @@ LOG_MODULE_REGISTER(gpio_pcal9535a);
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#define REG_INT_STATUS_PORT1 0x4D
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#define REG_OUTPUT_PORT_CONF 0x4F
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/* Driver flags */
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#define PCA_HAS_PUD BIT(0)
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/**
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* @brief Read both port 0 and port 1 registers of certain register function.
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*
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* Given the register in reg, read the pair of port 0 and port 1.
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*
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* @param dev Device struct of the PCAL9535A.
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* @param dev Device struct of the PCA95XX.
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* @param reg Register to read (the PORT0 of the pair of registers).
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* @param buf Buffer to read data into.
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*
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* @return 0 if successful, failed otherwise.
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*/
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static int read_port_regs(struct device *dev, u8_t reg,
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union gpio_pcal9535a_port_data *buf)
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union gpio_pca95xx_port_data *buf)
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{
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const struct gpio_pcal9535a_config * const config =
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const struct gpio_pca95xx_config * const config =
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dev->config->config_info;
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struct gpio_pcal9535a_drv_data * const drv_data =
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(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
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struct gpio_pca95xx_drv_data * const drv_data =
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(struct gpio_pca95xx_drv_data * const)dev->driver_data;
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struct device * const i2c_master = drv_data->i2c_master;
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u16_t i2c_addr = config->i2c_slave_addr;
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int ret;
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ret = i2c_burst_read(i2c_master, i2c_addr, reg, buf->byte, 2);
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if (ret) {
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LOG_ERR("PCAL9535A[0x%X]: error reading register 0x%X (%d)",
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LOG_ERR("PCA95XX[0x%X]: error reading register 0x%X (%d)",
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i2c_addr, reg, ret);
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goto error;
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}
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LOG_DBG("PCAL9535A[0x%X]: Read: REG[0x%X] = 0x%X, REG[0x%X] = 0x%X",
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LOG_DBG("PCA95XX[0x%X]: Read: REG[0x%X] = 0x%X, REG[0x%X] = 0x%X",
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i2c_addr, reg, buf->byte[0], (reg + 1), buf->byte[1]);
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error:
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*
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* Given the register in reg, write the pair of port 0 and port 1.
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*
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* @param dev Device struct of the PCAL9535A.
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* @param dev Device struct of the PCA95XX.
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* @param reg Register to write into (the PORT0 of the pair of registers).
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* @param buf Buffer to write data from.
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*
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* @return 0 if successful, failed otherwise.
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*/
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static int write_port_regs(struct device *dev, u8_t reg,
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union gpio_pcal9535a_port_data *buf)
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union gpio_pca95xx_port_data *buf)
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{
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const struct gpio_pcal9535a_config * const config =
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const struct gpio_pca95xx_config * const config =
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dev->config->config_info;
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struct gpio_pcal9535a_drv_data * const drv_data =
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(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
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struct gpio_pca95xx_drv_data * const drv_data =
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(struct gpio_pca95xx_drv_data * const)dev->driver_data;
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struct device * const i2c_master = drv_data->i2c_master;
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u16_t i2c_addr = config->i2c_slave_addr;
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int ret;
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LOG_DBG("PCAL9535A[0x%X]: Write: REG[0x%X] = 0x%X, REG[0x%X] = "
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LOG_DBG("PCA95XX[0x%X]: Write: REG[0x%X] = 0x%X, REG[0x%X] = "
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"0x%X", i2c_addr, reg, buf->byte[0], (reg + 1),
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buf->byte[1]);
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ret = i2c_reg_write_byte(i2c_master, i2c_addr, reg, buf->byte[0]);
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if (ret) {
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LOG_ERR("PCAL9535A[0x%X]: error writing from register 0x%X "
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LOG_ERR("PCA95XX[0x%X]: error writing to register 0x%X "
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"(%d)", i2c_addr, reg, ret);
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}
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ret = i2c_reg_write_byte(i2c_master, i2c_addr, reg+1, buf->byte[1]);
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if (ret) {
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LOG_ERR("PCAL9535A[0x%X]: error writing from register 0x%X "
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LOG_ERR("PCA95XX[0x%X]: error writing to register 0x%X "
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"(%d)", i2c_addr, reg, ret);
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}
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return ret;
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/**
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* @brief Setup the pin direction (input or output)
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*
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* @param dev Device struct of the PCAL9535A
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* @param dev Device struct of the PCA95XX
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* @param access_op Access operation (pin or port)
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* @param pin The pin number
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* @param flags Flags of pin or port
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||||
|
@ -136,10 +139,10 @@ static int write_port_regs(struct device *dev, u8_t reg,
|
|||
static int setup_pin_dir(struct device *dev, int access_op,
|
||||
u32_t pin, int flags)
|
||||
{
|
||||
struct gpio_pcal9535a_drv_data * const drv_data =
|
||||
(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
|
||||
union gpio_pcal9535a_port_data *reg_dir = &drv_data->reg_cache.dir;
|
||||
union gpio_pcal9535a_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
struct gpio_pca95xx_drv_data * const drv_data =
|
||||
(struct gpio_pca95xx_drv_data * const)dev->driver_data;
|
||||
union gpio_pca95xx_port_data *reg_dir = &drv_data->reg_cache.dir;
|
||||
union gpio_pca95xx_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
int ret;
|
||||
|
||||
/* For each pin, 0 == output, 1 == input */
|
||||
|
@ -189,7 +192,7 @@ done:
|
|||
/**
|
||||
* @brief Setup the pin pull up/pull down status
|
||||
*
|
||||
* @param dev Device struct of the PCAL9535A
|
||||
* @param dev Device struct of the PCA95XX
|
||||
* @param access_op Access operation (pin or port)
|
||||
* @param pin The pin number
|
||||
* @param flags Flags of pin or port
|
||||
|
@ -199,13 +202,30 @@ done:
|
|||
static int setup_pin_pullupdown(struct device *dev, int access_op,
|
||||
u32_t pin, int flags)
|
||||
{
|
||||
struct gpio_pcal9535a_drv_data * const drv_data =
|
||||
(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
|
||||
union gpio_pcal9535a_port_data *reg_pud;
|
||||
const struct gpio_pca95xx_config * const config =
|
||||
dev->config->config_info;
|
||||
struct gpio_pca95xx_drv_data * const drv_data =
|
||||
(struct gpio_pca95xx_drv_data * const)dev->driver_data;
|
||||
union gpio_pca95xx_port_data *reg_pud;
|
||||
u16_t bit_mask;
|
||||
u16_t new_value = 0U;
|
||||
int ret;
|
||||
|
||||
if ((config->capabilities & PCA_HAS_PUD) == 0) {
|
||||
/* Chip does not support pull up/pull down */
|
||||
if ((flags & (GPIO_PULL_UP | GPIO_PULL_DOWN)) != 0U) {
|
||||
ret = -ENOTSUP;
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* If both GPIO_PULL_UP and GPIO_PULL_DOWN are not set,
|
||||
* we should disable them in hardware. But need to skip
|
||||
* if the chip does not support pull up/pull down.
|
||||
*/
|
||||
ret = 0;
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* If disabling pull up/down, there is no need to set the selection
|
||||
* register. Just go straight to disabling.
|
||||
*/
|
||||
|
@ -282,20 +302,20 @@ done:
|
|||
/**
|
||||
* @brief Configure pin or port
|
||||
*
|
||||
* @param dev Device struct of the PCAL9535A
|
||||
* @param dev Device struct of the PCA95XX
|
||||
* @param access_op Access operation (pin or port)
|
||||
* @param pin The pin number
|
||||
* @param flags Flags of pin or port
|
||||
*
|
||||
* @return 0 if successful, failed otherwise
|
||||
*/
|
||||
static int gpio_pcal9535a_config(struct device *dev, int access_op,
|
||||
static int gpio_pca95xx_config(struct device *dev, int access_op,
|
||||
u32_t pin, int flags)
|
||||
{
|
||||
int ret;
|
||||
|
||||
#if (CONFIG_GPIO_LOG_LEVEL >= LOG_LEVEL_DEBUG)
|
||||
const struct gpio_pcal9535a_config * const config =
|
||||
const struct gpio_pca95xx_config * const config =
|
||||
dev->config->config_info;
|
||||
u16_t i2c_addr = config->i2c_slave_addr;
|
||||
#endif
|
||||
|
@ -314,14 +334,14 @@ static int gpio_pcal9535a_config(struct device *dev, int access_op,
|
|||
|
||||
ret = setup_pin_dir(dev, access_op, pin, flags);
|
||||
if (ret) {
|
||||
LOG_ERR("PCAL9535A[0x%X]: error setting pin direction (%d)",
|
||||
LOG_ERR("PCA95XX[0x%X]: error setting pin direction (%d)",
|
||||
i2c_addr, ret);
|
||||
goto done;
|
||||
}
|
||||
|
||||
ret = setup_pin_pullupdown(dev, access_op, pin, flags);
|
||||
if (ret) {
|
||||
LOG_ERR("PCAL9535A[0x%X]: error setting pin pull up/down "
|
||||
LOG_ERR("PCA95XX[0x%X]: error setting pin pull up/down "
|
||||
"(%d)", i2c_addr, ret);
|
||||
goto done;
|
||||
}
|
||||
|
@ -333,19 +353,19 @@ done:
|
|||
/**
|
||||
* @brief Set the pin or port output
|
||||
*
|
||||
* @param dev Device struct of the PCAL9535A
|
||||
* @param dev Device struct of the PCA95XX
|
||||
* @param access_op Access operation (pin or port)
|
||||
* @param pin The pin number
|
||||
* @param value Value to set (0 or 1)
|
||||
*
|
||||
* @return 0 if successful, failed otherwise
|
||||
*/
|
||||
static int gpio_pcal9535a_write(struct device *dev, int access_op,
|
||||
static int gpio_pca95xx_write(struct device *dev, int access_op,
|
||||
u32_t pin, u32_t value)
|
||||
{
|
||||
struct gpio_pcal9535a_drv_data * const drv_data =
|
||||
(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
|
||||
union gpio_pcal9535a_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
struct gpio_pca95xx_drv_data * const drv_data =
|
||||
(struct gpio_pca95xx_drv_data * const)dev->driver_data;
|
||||
union gpio_pca95xx_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
int ret;
|
||||
|
||||
/* Invert input value for pins configurated as active low. */
|
||||
|
@ -374,17 +394,17 @@ done:
|
|||
/**
|
||||
* @brief Read the pin or port status
|
||||
*
|
||||
* @param dev Device struct of the PCAL9535A
|
||||
* @param dev Device struct of the PCA95XX
|
||||
* @param access_op Access operation (pin or port)
|
||||
* @param pin The pin number
|
||||
* @param value Value of input pin(s)
|
||||
*
|
||||
* @return 0 if successful, failed otherwise
|
||||
*/
|
||||
static int gpio_pcal9535a_read(struct device *dev, int access_op,
|
||||
static int gpio_pca95xx_read(struct device *dev, int access_op,
|
||||
u32_t pin, u32_t *value)
|
||||
{
|
||||
union gpio_pcal9535a_port_data buf;
|
||||
union gpio_pca95xx_port_data buf;
|
||||
int ret;
|
||||
|
||||
ret = read_port_regs(dev, REG_INPUT_PORT0, &buf);
|
||||
|
@ -408,9 +428,9 @@ done:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int gpio_pcal9535a_port_get_raw(struct device *dev, u32_t *value)
|
||||
static int gpio_pca95xx_port_get_raw(struct device *dev, u32_t *value)
|
||||
{
|
||||
union gpio_pcal9535a_port_data buf;
|
||||
union gpio_pca95xx_port_data buf;
|
||||
int ret;
|
||||
|
||||
ret = read_port_regs(dev, REG_INPUT_PORT0, &buf);
|
||||
|
@ -424,40 +444,40 @@ done:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int gpio_pcal9535a_port_set_masked_raw(struct device *dev,
|
||||
static int gpio_pca95xx_port_set_masked_raw(struct device *dev,
|
||||
u32_t mask, u32_t value)
|
||||
{
|
||||
struct gpio_pcal9535a_drv_data * const drv_data =
|
||||
(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
|
||||
union gpio_pcal9535a_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
struct gpio_pca95xx_drv_data * const drv_data =
|
||||
(struct gpio_pca95xx_drv_data * const)dev->driver_data;
|
||||
union gpio_pca95xx_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
|
||||
reg_out->all = (reg_out->all & ~mask) | (mask & value);
|
||||
|
||||
return write_port_regs(dev, REG_OUTPUT_PORT0, reg_out);
|
||||
}
|
||||
|
||||
static int gpio_pcal9535a_port_set_bits_raw(struct device *dev, u32_t mask)
|
||||
static int gpio_pca95xx_port_set_bits_raw(struct device *dev, u32_t mask)
|
||||
{
|
||||
return gpio_pcal9535a_port_set_masked_raw(dev, mask, mask);
|
||||
return gpio_pca95xx_port_set_masked_raw(dev, mask, mask);
|
||||
}
|
||||
|
||||
static int gpio_pcal9535a_port_clear_bits_raw(struct device *dev, u32_t mask)
|
||||
static int gpio_pca95xx_port_clear_bits_raw(struct device *dev, u32_t mask)
|
||||
{
|
||||
return gpio_pcal9535a_port_set_masked_raw(dev, mask, 0);
|
||||
return gpio_pca95xx_port_set_masked_raw(dev, mask, 0);
|
||||
}
|
||||
|
||||
static int gpio_pcal9535a_port_toggle_bits(struct device *dev, u32_t mask)
|
||||
static int gpio_pca95xx_port_toggle_bits(struct device *dev, u32_t mask)
|
||||
{
|
||||
struct gpio_pcal9535a_drv_data * const drv_data =
|
||||
(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
|
||||
union gpio_pcal9535a_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
struct gpio_pca95xx_drv_data * const drv_data =
|
||||
(struct gpio_pca95xx_drv_data * const)dev->driver_data;
|
||||
union gpio_pca95xx_port_data *reg_out = &drv_data->reg_cache.output;
|
||||
|
||||
reg_out->all ^= mask;
|
||||
|
||||
return write_port_regs(dev, REG_OUTPUT_PORT0, reg_out);
|
||||
}
|
||||
|
||||
static int gpio_pcal9535a_pin_interrupt_configure(struct device *dev,
|
||||
static int gpio_pca95xx_pin_interrupt_configure(struct device *dev,
|
||||
unsigned int pin,
|
||||
enum gpio_int_mode mode,
|
||||
enum gpio_int_trig trig)
|
||||
|
@ -465,30 +485,30 @@ static int gpio_pcal9535a_pin_interrupt_configure(struct device *dev,
|
|||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
static const struct gpio_driver_api gpio_pcal9535a_drv_api_funcs = {
|
||||
.config = gpio_pcal9535a_config,
|
||||
.write = gpio_pcal9535a_write,
|
||||
.read = gpio_pcal9535a_read,
|
||||
.port_get_raw = gpio_pcal9535a_port_get_raw,
|
||||
.port_set_masked_raw = gpio_pcal9535a_port_set_masked_raw,
|
||||
.port_set_bits_raw = gpio_pcal9535a_port_set_bits_raw,
|
||||
.port_clear_bits_raw = gpio_pcal9535a_port_clear_bits_raw,
|
||||
.port_toggle_bits = gpio_pcal9535a_port_toggle_bits,
|
||||
.pin_interrupt_configure = gpio_pcal9535a_pin_interrupt_configure,
|
||||
static const struct gpio_driver_api gpio_pca95xx_drv_api_funcs = {
|
||||
.config = gpio_pca95xx_config,
|
||||
.write = gpio_pca95xx_write,
|
||||
.read = gpio_pca95xx_read,
|
||||
.port_get_raw = gpio_pca95xx_port_get_raw,
|
||||
.port_set_masked_raw = gpio_pca95xx_port_set_masked_raw,
|
||||
.port_set_bits_raw = gpio_pca95xx_port_set_bits_raw,
|
||||
.port_clear_bits_raw = gpio_pca95xx_port_clear_bits_raw,
|
||||
.port_toggle_bits = gpio_pca95xx_port_toggle_bits,
|
||||
.pin_interrupt_configure = gpio_pca95xx_pin_interrupt_configure,
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Initialization function of PCAL9535A
|
||||
* @brief Initialization function of PCA95XX
|
||||
*
|
||||
* @param dev Device struct
|
||||
* @return 0 if successful, failed otherwise.
|
||||
*/
|
||||
static int gpio_pcal9535a_init(struct device *dev)
|
||||
static int gpio_pca95xx_init(struct device *dev)
|
||||
{
|
||||
const struct gpio_pcal9535a_config * const config =
|
||||
const struct gpio_pca95xx_config * const config =
|
||||
dev->config->config_info;
|
||||
struct gpio_pcal9535a_drv_data * const drv_data =
|
||||
(struct gpio_pcal9535a_drv_data * const)dev->driver_data;
|
||||
struct gpio_pca95xx_drv_data * const drv_data =
|
||||
(struct gpio_pca95xx_drv_data * const)dev->driver_data;
|
||||
struct device *i2c_master;
|
||||
|
||||
/* Find out the device struct of the I2C master */
|
||||
|
@ -501,14 +521,17 @@ static int gpio_pcal9535a_init(struct device *dev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
/* Initialization for PCAL9535A_0 */
|
||||
#ifdef CONFIG_GPIO_PCAL9535A_0
|
||||
static const struct gpio_pcal9535a_config gpio_pcal9535a_0_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCAL9535A_0_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCAL9535A_0_I2C_ADDR,
|
||||
/* Initialization for PCA95XX_0 */
|
||||
#ifdef CONFIG_GPIO_PCA95XX_0
|
||||
static const struct gpio_pca95xx_config gpio_pca95xx_0_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCA95XX_0_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCA95XX_0_I2C_ADDR,
|
||||
.capabilities =
|
||||
(CONFIG_GPIO_PCA95XX_0_HAS_PUD ? PCA_HAS_PUD : 0) |
|
||||
0,
|
||||
};
|
||||
|
||||
static struct gpio_pcal9535a_drv_data gpio_pcal9535a_0_drvdata = {
|
||||
static struct gpio_pca95xx_drv_data gpio_pca95xx_0_drvdata = {
|
||||
/* Default for registers according to datasheet */
|
||||
.reg_cache.output = { .all = 0xFFFF },
|
||||
.reg_cache.dir = { .all = 0xFFFF },
|
||||
|
@ -517,22 +540,25 @@ static struct gpio_pcal9535a_drv_data gpio_pcal9535a_0_drvdata = {
|
|||
};
|
||||
|
||||
/* This has to init after I2C master */
|
||||
DEVICE_AND_API_INIT(gpio_pcal9535a_0, CONFIG_GPIO_PCAL9535A_0_DEV_NAME,
|
||||
gpio_pcal9535a_init,
|
||||
&gpio_pcal9535a_0_drvdata, &gpio_pcal9535a_0_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCAL9535A_INIT_PRIORITY,
|
||||
&gpio_pcal9535a_drv_api_funcs);
|
||||
DEVICE_AND_API_INIT(gpio_pca95xx_0, CONFIG_GPIO_PCA95XX_0_DEV_NAME,
|
||||
gpio_pca95xx_init,
|
||||
&gpio_pca95xx_0_drvdata, &gpio_pca95xx_0_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCA95XX_INIT_PRIORITY,
|
||||
&gpio_pca95xx_drv_api_funcs);
|
||||
|
||||
#endif /* CONFIG_GPIO_PCAL9535A_0 */
|
||||
#endif /* CONFIG_GPIO_PCA95XX_0 */
|
||||
|
||||
/* Initialization for PCAL9535A_1 */
|
||||
#ifdef CONFIG_GPIO_PCAL9535A_1
|
||||
static const struct gpio_pcal9535a_config gpio_pcal9535a_1_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCAL9535A_1_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCAL9535A_1_I2C_ADDR,
|
||||
/* Initialization for PCA95XX_1 */
|
||||
#ifdef CONFIG_GPIO_PCA95XX_1
|
||||
static const struct gpio_pca95xx_config gpio_pca95xx_1_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCA95XX_1_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCA95XX_1_I2C_ADDR,
|
||||
.capabilities =
|
||||
(CONFIG_GPIO_PCA95XX_1_HAS_PUD ? PCA_HAS_PUD : 0) |
|
||||
0,
|
||||
};
|
||||
|
||||
static struct gpio_pcal9535a_drv_data gpio_pcal9535a_1_drvdata = {
|
||||
static struct gpio_pca95xx_drv_data gpio_pca95xx_1_drvdata = {
|
||||
/* Default for registers according to datasheet */
|
||||
.reg_cache.output = { .all = 0xFFFF },
|
||||
.reg_cache.dir = { .all = 0xFFFF },
|
||||
|
@ -541,22 +567,25 @@ static struct gpio_pcal9535a_drv_data gpio_pcal9535a_1_drvdata = {
|
|||
};
|
||||
|
||||
/* This has to init after I2C master */
|
||||
DEVICE_AND_API_INIT(gpio_pcal9535a_1, CONFIG_GPIO_PCAL9535A_1_DEV_NAME,
|
||||
gpio_pcal9535a_init,
|
||||
&gpio_pcal9535a_1_drvdata, &gpio_pcal9535a_1_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCAL9535A_INIT_PRIORITY,
|
||||
&gpio_pcal9535a_drv_api_funcs);
|
||||
DEVICE_AND_API_INIT(gpio_pca95xx_1, CONFIG_GPIO_PCA95XX_1_DEV_NAME,
|
||||
gpio_pca95xx_init,
|
||||
&gpio_pca95xx_1_drvdata, &gpio_pca95xx_1_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCA95XX_INIT_PRIORITY,
|
||||
&gpio_pca95xx_drv_api_funcs);
|
||||
|
||||
#endif /* CONFIG_GPIO_PCAL9535A_1 */
|
||||
#endif /* CONFIG_GPIO_PCA95XX_1 */
|
||||
|
||||
/* Initialization for PCAL9535A_2 */
|
||||
#ifdef CONFIG_GPIO_PCAL9535A_2
|
||||
static const struct gpio_pcal9535a_config gpio_pcal9535a_2_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCAL9535A_2_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCAL9535A_2_I2C_ADDR,
|
||||
/* Initialization for PCA95XX_2 */
|
||||
#ifdef CONFIG_GPIO_PCA95XX_2
|
||||
static const struct gpio_pca95xx_config gpio_pca95xx_2_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCA95XX_2_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCA95XX_2_I2C_ADDR,
|
||||
.capabilities =
|
||||
(CONFIG_GPIO_PCA95XX_2_HAS_PUD ? PCA_HAS_PUD : 0) |
|
||||
0,
|
||||
};
|
||||
|
||||
static struct gpio_pcal9535a_drv_data gpio_pcal9535a_2_drvdata = {
|
||||
static struct gpio_pca95xx_drv_data gpio_pca95xx_2_drvdata = {
|
||||
/* Default for registers according to datasheet */
|
||||
.reg_cache.output = { .all = 0xFFFF },
|
||||
.reg_cache.dir = { .all = 0xFFFF },
|
||||
|
@ -565,22 +594,25 @@ static struct gpio_pcal9535a_drv_data gpio_pcal9535a_2_drvdata = {
|
|||
};
|
||||
|
||||
/* This has to init after I2C master */
|
||||
DEVICE_AND_API_INIT(gpio_pcal9535a_2, CONFIG_GPIO_PCAL9535A_2_DEV_NAME,
|
||||
gpio_pcal9535a_init,
|
||||
&gpio_pcal9535a_2_drvdata, &gpio_pcal9535a_2_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCAL9535A_INIT_PRIORITY,
|
||||
&gpio_pcal9535a_drv_api_funcs);
|
||||
DEVICE_AND_API_INIT(gpio_pca95xx_2, CONFIG_GPIO_PCA95XX_2_DEV_NAME,
|
||||
gpio_pca95xx_init,
|
||||
&gpio_pca95xx_2_drvdata, &gpio_pca95xx_2_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCA95XX_INIT_PRIORITY,
|
||||
&gpio_pca95xx_drv_api_funcs);
|
||||
|
||||
#endif /* CONFIG_GPIO_PCAL9535A_2 */
|
||||
#endif /* CONFIG_GPIO_PCA95XX_2 */
|
||||
|
||||
/* Initialization for PCAL9535A_3 */
|
||||
#ifdef CONFIG_GPIO_PCAL9535A_3
|
||||
static const struct gpio_pcal9535a_config gpio_pcal9535a_3_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCAL9535A_3_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCAL9535A_3_I2C_ADDR,
|
||||
/* Initialization for PCA95XX_3 */
|
||||
#ifdef CONFIG_GPIO_PCA95XX_3
|
||||
static const struct gpio_pca95xx_config gpio_pca95xx_3_cfg = {
|
||||
.i2c_master_dev_name = CONFIG_GPIO_PCA95XX_3_I2C_MASTER_DEV_NAME,
|
||||
.i2c_slave_addr = CONFIG_GPIO_PCA95XX_3_I2C_ADDR,
|
||||
.capabilities =
|
||||
(CONFIG_GPIO_PCA95XX_3_HAS_PUD ? PCA_HAS_PUD : 0) |
|
||||
0,
|
||||
};
|
||||
|
||||
static struct gpio_pcal9535a_drv_data gpio_pcal9535a_3_drvdata = {
|
||||
static struct gpio_pca95xx_drv_data gpio_pca95xx_3_drvdata = {
|
||||
/* Default for registers according to datasheet */
|
||||
.reg_cache.output = { .all = 0xFFFF },
|
||||
.reg_cache.dir = { .all = 0xFFFF },
|
||||
|
@ -589,10 +621,10 @@ static struct gpio_pcal9535a_drv_data gpio_pcal9535a_3_drvdata = {
|
|||
};
|
||||
|
||||
/* This has to init after I2C master */
|
||||
DEVICE_AND_API_INIT(gpio_pcal9535a_3, CONFIG_GPIO_PCAL9535A_3_DEV_NAME,
|
||||
gpio_pcal9535a_init,
|
||||
&gpio_pcal9535a_3_drvdata, &gpio_pcal9535a_3_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCAL9535A_INIT_PRIORITY,
|
||||
&gpio_pcal9535a_drv_api_funcs);
|
||||
DEVICE_AND_API_INIT(gpio_pca95xx_3, CONFIG_GPIO_PCA95XX_3_DEV_NAME,
|
||||
gpio_pca95xx_init,
|
||||
&gpio_pca95xx_3_drvdata, &gpio_pca95xx_3_cfg,
|
||||
POST_KERNEL, CONFIG_GPIO_PCA95XX_INIT_PRIORITY,
|
||||
&gpio_pca95xx_drv_api_funcs);
|
||||
|
||||
#endif /* CONFIG_GPIO_PCAL9535A_3 */
|
||||
#endif /* CONFIG_GPIO_PCA95XX_3 */
|
|
@ -5,11 +5,11 @@
|
|||
*/
|
||||
|
||||
/**
|
||||
* @file Header file for the PCAL9535A driver.
|
||||
* @file Header file for the PCA95XX driver.
|
||||
*/
|
||||
|
||||
#ifndef ZEPHYR_DRIVERS_GPIO_GPIO_PCAL9535A_H_
|
||||
#define ZEPHYR_DRIVERS_GPIO_GPIO_PCAL9535A_H_
|
||||
#ifndef ZEPHYR_DRIVERS_GPIO_GPIO_PCA95XX_H_
|
||||
#define ZEPHYR_DRIVERS_GPIO_GPIO_PCA95XX_H_
|
||||
|
||||
#include <kernel.h>
|
||||
|
||||
|
@ -21,23 +21,25 @@ extern "C" {
|
|||
#endif
|
||||
|
||||
/** Configuration data */
|
||||
struct gpio_pcal9535a_config {
|
||||
struct gpio_pca95xx_config {
|
||||
/** The master I2C device's name */
|
||||
const char * const i2c_master_dev_name;
|
||||
|
||||
/** The slave address of the chip */
|
||||
u16_t i2c_slave_addr;
|
||||
|
||||
u8_t capabilities;
|
||||
};
|
||||
|
||||
/** Store the port 0/1 data for each register pair. */
|
||||
union gpio_pcal9535a_port_data {
|
||||
union gpio_pca95xx_port_data {
|
||||
u16_t all;
|
||||
u8_t port[2];
|
||||
u8_t byte[2];
|
||||
};
|
||||
|
||||
/** Runtime driver data */
|
||||
struct gpio_pcal9535a_drv_data {
|
||||
struct gpio_pca95xx_drv_data {
|
||||
/* gpio_driver_data needs to be first */
|
||||
struct gpio_driver_data common;
|
||||
|
||||
|
@ -45,10 +47,10 @@ struct gpio_pcal9535a_drv_data {
|
|||
struct device *i2c_master;
|
||||
|
||||
struct {
|
||||
union gpio_pcal9535a_port_data output;
|
||||
union gpio_pcal9535a_port_data dir;
|
||||
union gpio_pcal9535a_port_data pud_en;
|
||||
union gpio_pcal9535a_port_data pud_sel;
|
||||
union gpio_pca95xx_port_data output;
|
||||
union gpio_pca95xx_port_data dir;
|
||||
union gpio_pca95xx_port_data pud_en;
|
||||
union gpio_pca95xx_port_data pud_sel;
|
||||
} reg_cache;
|
||||
};
|
||||
|
||||
|
@ -56,4 +58,4 @@ struct gpio_pcal9535a_drv_data {
|
|||
}
|
||||
#endif
|
||||
|
||||
#endif /* ZEPHYR_DRIVERS_GPIO_GPIO_PCAL9535A_H_ */
|
||||
#endif /* ZEPHYR_DRIVERS_GPIO_GPIO_PCA95XX_H_ */
|
Loading…
Add table
Add a link
Reference in a new issue