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clk: rp1: Add support for clocks provided by RP1

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RaspberryPi RP1 is an MFD providing, among other peripherals, several
clock generators and PLLs that drives the sub-peripherals.
Add the driver to support the clock providers.

Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20250529135052.28398-4-andrea.porta@suse.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
This commit is contained in:
Andrea della Porta 2025-05-29 15:50:41 +02:00 committed by Florian Fainelli
parent acc379c63a
commit 6486341721
3 changed files with 1504 additions and 0 deletions
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9
drivers/clk/Kconfig
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@ -88,6 +88,15 @@ config COMMON_CLK_RK808
These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
Clkout1 is always on, Clkout2 can off by control register.
config COMMON_CLK_RP1
tristate "Raspberry Pi RP1-based clock support"
depends on MISC_RP1 || COMPILE_TEST
default MISC_RP1
help
Enable common clock framework support for Raspberry Pi RP1.
This multi-function device has 3 main PLLs and several clock
generators to drive the internal sub-peripherals.
config COMMON_CLK_HI655X
tristate "Clock driver for Hi655x" if EXPERT
depends on (MFD_HI655X_PMIC || COMPILE_TEST)

1
drivers/clk/Makefile
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@ -84,6 +84,7 @@ obj-$(CONFIG_CLK_LS1028A_PLLDIG) += clk-plldig.o
obj-$(CONFIG_COMMON_CLK_PWM) += clk-pwm.o
obj-$(CONFIG_CLK_QORIQ) += clk-qoriq.o
obj-$(CONFIG_COMMON_CLK_RK808) += clk-rk808.o
obj-$(CONFIG_COMMON_CLK_RP1) += clk-rp1.o
obj-$(CONFIG_COMMON_CLK_HI655X) += clk-hi655x.o
obj-$(CONFIG_COMMON_CLK_S2MPS11) += clk-s2mps11.o
obj-$(CONFIG_COMMON_CLK_SCMI) += clk-scmi.o

1494
drivers/clk/clk-rp1.c Normal file
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