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drivers: i2c: Base OMAP I2C support for TI-K3 series processor #80113

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drivers: i2c: Base OMAP I2C support for TI-K3 series processor #80113

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bf6b1a7
drivers: i2c: Base OMAP I2C support for TI-K3 processor
malto101 Oct 20, 2024
e9e524f
drivers: i2c: Added Bus recovery support to OMAP I2C.
malto101 Oct 21, 2024
2ab31bd
boards: beagle: Enable I2C6 on BeagleBone AI64 board
malto101 Nov 5, 2024
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8 changes: 8 additions & 0 deletions boards/beagle/beaglebone_ai64/beaglebone_ai64_j721e_main_r5f0_0-pinctrl.dtsi
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Expand Up @@ -18,4 +18,12 @@
/* 0x14 is address of padconfig register of p8.22 and 14 is mux mode */
pinmux = <K3_PINMUX(0x14, PIN_INPUT, MUX_MODE_14)>;
};
i2c6_scl_default: i2c6_scl_default {
/* 0x1e0 is the address of padconfig register of p9.17 and 2 is mux mode */
pinmux = <K3_PINMUX(0x1d0, PIN_INPUT_PULLUP, MUX_MODE_2)>;
};
i2c6_sda_default: i2c6_sda_default {
/* 0x1dc is the address of padconfig register of p9.18 and 2 is mux mode */
pinmux = <K3_PINMUX(0x1e4, PIN_INPUT_PULLUP, MUX_MODE_2)>;
};
};
6 changes: 6 additions & 0 deletions boards/beagle/beaglebone_ai64/beaglebone_ai64_j721e_main_r5f0_0.dts
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Expand Up @@ -45,6 +45,12 @@
};
};

&i2c6 {
status = "okay";
pinctrl-0 = <&i2c6_scl_default &i2c6_sda_default>;
pinctrl-names = "default";
};

&uart2 {
status = "okay";
pinctrl-0 = <&uart2_tx_default &uart2_rx_default>;
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1 change: 1 addition & 0 deletions boards/beagle/beaglebone_ai64/beaglebone_ai64_j721e_main_r5f0_0.yaml
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Expand Up @@ -14,4 +14,5 @@ toolchain:
- xtools
supported:
- uart
- i2c
vendor: beagle
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4 changes: 3 additions & 1 deletion boards/beagle/beaglebone_ai64/doc/index.rst
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Expand Up @@ -44,9 +44,11 @@ The board configuration supports,
+-----------+------------+-----------------------+
| Interface | Controller | Driver/Component |
+===========+============+=======================+
| UART | on-chip | serial port-polling |
| UART | on-chip | serial port-polling, |
| | | serial port-interrupt |
+-----------+------------+-----------------------+
| I2C | on-chip | i2c-polling |
+-----------+------------+-----------------------+

Other hardwares features are currently not supported.

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1 change: 1 addition & 0 deletions drivers/i2c/CMakeLists.txt
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Expand Up @@ -69,6 +69,7 @@ else()
)
endif()
zephyr_library_sources_ifdef(CONFIG_I2C_NUMAKER i2c_numaker.c)
zephyr_library_sources_ifdef(CONFIG_I2C_OMAP i2c_omap.c)
zephyr_library_sources_ifdef(CONFIG_I2C_SAM_TWI i2c_sam_twi.c)
if(CONFIG_I2C_RTIO)
zephyr_library_sources_ifdef(CONFIG_I2C_SAM_TWIHS
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1 change: 1 addition & 0 deletions drivers/i2c/Kconfig
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Expand Up @@ -139,6 +139,7 @@ source "drivers/i2c/Kconfig.mcux"
source "drivers/i2c/Kconfig.npcx"
source "drivers/i2c/Kconfig.nrfx"
source "drivers/i2c/Kconfig.numaker"
source "drivers/i2c/Kconfig.omap"
source "drivers/i2c/Kconfig.renesas_ra"
source "drivers/i2c/Kconfig.rcar"
source "drivers/i2c/Kconfig.sam0"
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18 changes: 18 additions & 0 deletions drivers/i2c/Kconfig.omap
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@@ -0,0 +1,18 @@
# Copyright (C) 2024 BeagleBoard.org Foundation
# Copyright (C) 2024 Dhruv Menon <[email protected]>

# SPDX-License-Identifier: Apache-2.0

config I2C_OMAP
bool "TI OMAP I2C Driver"
default y
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depends on DT_HAS_TI_OMAP_I2C_ENABLED
help
Enable the I2C driver for TI OMAP SoCs.

config I2C_OMAP_BUS_RECOVERY
bool "Bus recovery support"
depends on I2C_OMAP
select I2C_BITBANG
help
Enable OMAP I2C driver bus recovery support via bitbanging.
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