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The SPI IP design for the cix sky1 SoC uses a FIFO with a data width
of 32 bits, instead of the default 8 bits. Therefore, a compatible
string is added to specify the FIFO data width configuration for the
cix sky1 SoC.
Signed-off-by: Jun Guo <jun.guo@cixtech.com>
Link: https://lore.kernel.org/r/20251031073003.3289573-4-jun.guo@cixtech.com
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
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Add PCIe RC support on Orion O6 board.
The Orion O6 board includes multiple PCIe root complexes. The current
device tree configuration enables detection and basic operation of PCIe
endpoints on this platform.
GPIO and pinctrl subsystems for this platform are not yet ready for
upstream inclusion. Consequently, attributes such as reset-gpios and
pinctrl configurations are temporarily omitted from the PCIe node
definitions.
Endpoint detection and functionality are confirmed to be operational with
this basic configuration. The missing GPIO and pinctrl support will be
added incrementally in future patches as the dependent subsystems become
available upstream.
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Hans Zhang <hans.zhang@cixtech.com>
Link: https://lore.kernel.org/r/20251108140305.1120117-11-hans.zhang@cixtech.com
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
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Add pcie_x*_rc node to support Sky1 PCIe driver based on the
Cadence PCIe core.
Supports Gen1/Gen2/Gen3/Gen4, 1/2/4/8 lane, MSI/MSI-x interrupts
using the ARM GICv3.
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Hans Zhang <hans.zhang@cixtech.com>
Link: https://lore.kernel.org/r/20251108140305.1120117-10-hans.zhang@cixtech.com
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
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Add the pin-controller nodes for Sky1 platform.
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Link: https://lore.kernel.org/r/20251021070410.3585997-4-gary.yang@cixtech.com
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
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Add the device tree node for the spi controller of the CIX SKY1 SoC.
Signed-off-by: Jun Guo <jun.guo@cixtech.com>
Link: https://lore.kernel.org/r/20250919013118.853078-1-jun.guo@cixtech.com
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
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The CIX SKY1 SoC supports the integration of 8 I2C bus controllers and
2 I3C bus controllers.
Signed-off-by: Hongliang Yang <hongliang.yang@cixtech.com>
Signed-off-by: Jun Guo <jun.guo@cixtech.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
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CIX SKY1 SoC is high performance Armv9 SoC designed by Cixtech,
and Orion O6 is the motherboard launched by Radxa. See below for
detail:
https://docs.radxa.com/en/orion/o6/getting-started/introduction
In this commit, it only adds limited components for running initramfs
at Orion O6.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Enric Balletbo i Serra <eballetb@redhat.com>
Tested-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Guomin Chen <Guomin.Chen@cixtech.com>
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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