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Add a clock driver for the UltraRISC DP1000 SoC. The clock tree is driven by a SYSPLL and provides fixed-factor clocks for the subsystem and PCIe, divider-based root clocks for GMAC and the UART, I2C, and SPI blocks, and per-instance gate clocks for UART0-3, I2C0-3, and SPI0-1. Signed-off-by: Jia Wang <wangjia@ultrarisc.com> Reviewed-by: Brian Masney <bmasney@redhat.com> Signed-off-by: Brian Masney <bmasney@redhat.com>
19 lines
544 B
Plaintext
19 lines
544 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config CLK_ULTRARISC
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tristate
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depends on OF
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depends on ARCH_ULTRARISC || COMPILE_TEST
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config CLK_ULTRARISC_DP1000
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tristate "UltraRISC DP1000 clock controller"
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select CLK_ULTRARISC
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depends on OF && HAS_IOMEM
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depends on ARCH_ULTRARISC || COMPILE_TEST
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default ARCH_ULTRARISC
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help
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This driver provides the clock controller for the UltraRISC
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DP1000 SoC. It exposes the PLL output, derived fixed-factor
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clocks, programmable divider clocks, and peripheral gate
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clocks to Linux consumers.
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