c6763bd2ca
This implements basic driver to utilize the I3C IP block on NPCX. 1. I3C mode: Main controller mode only. 2. Transfer: Support SDR only. 3. IBI: Support Hot-Join, IBI(MDB). Controller request is not supported. 4. Support 3 I3C modules: I3C1(3.3V), I3C2(1.8V, espi mode), (I3C3 1.8V or 3.3V) Signed-off-by: Alvis Sun <yfsun@nuvoton.com>
36 lines
1 KiB
Plaintext
36 lines
1 KiB
Plaintext
# NPCX I3C driver configuration options
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# Copyright (c) 2024 Nuvoton Technology Corporation.
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# SPDX-License-Identifier: Apache-2.0
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DT_I3C_NPCX := $(dt_nodelabel_path,i3c0)
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config I3C_NPCX
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bool "Nuvoton NPCX embedded controller (EC) I3C driver"
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depends on DT_HAS_NUVOTON_NPCX_I3C_ENABLED
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select RESET
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select I3C_IBI_WORKQUEUE if I3C_USE_IBI
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default y
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help
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This option enables the I3C driver for NPCX family of
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processors.
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Say y if you wish to use I3C channels on NPCX MCU.
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# Expose this option when the 'reg' property includes the MDMA base address
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# as the second group in the phandle-array.
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# i.e. I3C node example in dtsi file.
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# i3c0: i3c@400f0000 {
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# ....
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# /* reg[0]: I3C_1 register, reg[1]: MDMA5 register */
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# reg-names = "i3c1", "mdma5";
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# reg = <0x400f0000 0x2000>,
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# <0x40011500 0x100>;
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# ....
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# }
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config I3C_NPCX_DMA
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bool "Nuvoton NPCX embedded controller (EC) serial driver DMA support"
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depends on I3C_NPCX && "$(dt_node_reg_addr_hex,$(DT_I3C_NPCX),1)" != 0
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default y
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help
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Enable support for npcx I3C DMA mode.
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