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Add a clock provider driver for the Canaan Kendryte K210 RISC-V SoC. This new driver with the compatible string "canaan,k210-clk" implements support for the full clock structure of the K210 SoC. Since it is required for the correct operation of the SoC, this driver is selected by default for compilation when the SOC_CANAAN option is selected. With this change, the k210-sysctl driver is turned into a simple platform driver which enables its power bus clock and triggers populating its child nodes. The sysctl driver retains the SOC early initialization code, but the implementation now relies on the new function k210_clk_early_init() provided by the new clk-k210 driver. The clock structure implemented and many of the coding ideas for the driver come from the work by Sean Anderson on the K210 support for the U-Boot project. Cc: Stephen Boyd <sboyd@kernel.org> Cc: Michael Turquette <mturquette@baylibre.com> Cc: linux-clk@vger.kernel.org Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
13 lines
323 B
Plaintext
13 lines
323 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config SOC_K210_SYSCTL
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bool "Canaan Kendryte K210 SoC system controller"
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depends on RISCV && SOC_CANAAN && OF
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default SOC_CANAAN
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select PM
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select SIMPLE_PM_BUS
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select SYSCON
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select MFD_SYSCON
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help
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Canaan Kendryte K210 SoC system controller driver.
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