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linux/drivers/clk
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Frank Oltmanns 3492e4f6db clk: sunxi-ng: nkm: consider alternative parent rates when determining rate 
In case the CLK_SET_RATE_PARENT flag is set, consider using a different
parent rate when determining a new rate.

To find the best match for the requested rate, perform the following
steps for each NKM combination:
 - calculate the optimal parent rate,
 - find the best parent rate that the parent clock actually supports
 - use that parent rate to calculate the effective rate.

In case the clk does not support setting the parent rate, use the same
algorithm as before.

Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Frank Oltmanns <frank@oltmanns.dev>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20230807-pll-mipi_set_rate_parent-v6-2-f173239a4b59@oltmanns.dev
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2023-08-09 23:33:58 +08:00
..
actions
clk: actions: composite: fact: Switch to determine_rate
2023-06-08 18:39:32 -07:00
analogbits
…
at91
Merge branches 'clk-qcom' and 'clk-microchip' into clk-next
2023-06-26 16:36:14 -07:00
axis
…
axs10x
clk: axs10x: Use managed of_clk_add_hw_provider()
2023-04-10 12:45:12 -07:00
baikal-t1
clk: baikal-t1: Convert to platform device driver
2022-09-30 14:20:56 -07:00
bcm
clk: bcm: rpi: Fix off by one in raspberrypi_discover_clocks()
2023-06-14 17:21:00 -07:00
berlin
clk: berlin: div: Add a determine_rate hook
2023-06-08 18:39:26 -07:00
davinci
clk: da8xx: clk48: Switch to determine_rate
2023-06-08 18:39:34 -07:00
hisilicon
Nothing looks out of the ordinary in this batch of clk driver updates. There
2023-04-29 17:29:39 -07:00
imgtec
…
imx
This batch of clk driver updates for the merge window contains almost no new
2023-06-29 10:05:47 -07:00
ingenic
clk: ingenic: tcu: Switch to determine_rate
2023-06-08 18:39:34 -07:00
keystone
Merge branches 'clk-imx', 'clk-microchip', 'clk-cleanup', 'clk-bindings', 'clk-ti' and 'clk-kasprintf' into clk-next
2023-06-26 08:55:22 -07:00
mediatek
This batch of clk driver updates for the merge window contains almost no new
2023-06-29 10:05:47 -07:00
meson
clk: meson: pll: remove unneeded semicolon
2023-06-15 12:29:10 +02:00
microchip
clk: microchip: Use of_property_read_bool() for boolean properties
2023-05-22 11:57:31 +03:00
mmp
clk: mmp: Convert to platform remove callback returning void
2023-03-28 19:31:44 -07:00
mstar
clk: mstar: msc313 cpupll clk driver
2022-10-27 11:44:27 -07:00
mvebu
clk: mvebu: Iterate over possible CPUs instead of DT CPU nodes
2023-06-20 11:56:28 -07:00
mxs
…
nuvoton
clk: nuvoton: Use clk_parent_data instead of string for parent clock
2023-06-22 17:02:50 +02:00
nxp
clk: nxp: fix typo in comment
2022-10-03 12:34:32 -07:00
pistachio
clk: pistachio: Fix initconst confusion
2022-09-28 18:35:45 -07:00
pxa
ARM: SoC changes for 6.5
2023-06-29 15:28:33 -07:00
qcom
Another set of clk driver updates and fixes for the merge window. The
2023-07-04 11:07:45 -07:00
ralink
clk: ralink: mtmips: Fix uninitialized use of ret in mtmips_register_{fixed,factor}_clocks()
2023-06-23 14:59:59 +02:00
renesas
Merge branches 'clk-renesas', 'clk-determine-rate', 'clk-allwinner', 'clk-samsung' and 'clk-amlogic' into clk-next
2023-06-26 08:55:04 -07:00
rockchip
Merge branches 'clk-of', 'clk-samsung', 'clk-rockchip' and 'clk-qcom' into clk-next
2023-04-25 11:52:25 -07:00
samsung
clk: samsung: add CONFIG_OF dependency
2023-06-12 11:45:20 +02:00
sifive
clk: sifive: Use devm_platform_ioremap_resource()
2023-06-14 17:20:13 -07:00
socfpga
clk: socfpga: gate: Add a determine_rate hook
2023-06-08 18:39:29 -07:00
spear
clk: spear: Fix SSP clock definition on SPEAr600
2022-11-22 18:03:52 -08:00
sprd
clk: sprd: composite: Simplify determine_rate implementation
2023-06-14 12:43:26 -07:00
st
clk: st: flexgen: Switch to determine_rate
2023-06-08 18:39:35 -07:00
starfive
clk: starfive: Fix RESET_STARFIVE_JH7110 can't be selected in a specified case
2023-05-02 18:34:49 -07:00
stm32
clk: stm32: composite: Switch to determine_rate
2023-06-08 18:39:35 -07:00
sunxi
clk: sunxi: sun9i-mmc: Use devm_platform_get_and_ioremap_resource()
2023-07-31 00:44:21 +02:00
sunxi-ng
clk: sunxi-ng: nkm: consider alternative parent rates when determining rate
2023-08-09 23:33:58 +08:00
tegra
clk: tegra: Avoid calling an uninitialized function
2023-07-04 08:54:37 -07:00
ti
clk: ti: clkctrl: check return value of kasprintf()
2023-06-16 21:52:50 -07:00
uniphier
clk: uniphier: Use managed of_clk_add_hw_provider()
2023-04-10 12:56:25 -07:00
ux500
clk: ux500: sysctrl: Add a determine_rate hook
2023-06-08 18:39:30 -07:00
versatile
clk: versatile: sp810: Add a determine_rate hook
2023-06-08 18:39:31 -07:00
visconti
clk: visconti: remove unused visconti_pll_provider::regmap
2023-03-06 11:43:29 -08:00
x86
clk: x86: Convert to platform remove callback returning void
2023-03-28 19:31:45 -07:00
xilinx
Merge branches 'clk-imx', 'clk-microchip', 'clk-cleanup', 'clk-bindings', 'clk-ti' and 'clk-kasprintf' into clk-next
2023-06-26 08:55:22 -07:00
zynq
…
zynqmp
clk: zynqmp: pll: Remove the limit
2023-03-27 12:08:28 -07:00
.kunitconfig
clk: explicitly disable CONFIG_UML_PCI_OVER_VIRTIO in .kunitconfig
2022-07-14 10:35:44 -06:00
clk_test.c
clk: test: Add a determine_rate hook
2023-06-08 18:39:25 -07:00
clk-apple-nco.c
…
clk-asm9260.c
clk: asm9260: use parent index to link the reference clock
2022-09-29 17:55:26 -07:00
clk-aspeed.c
…
clk-aspeed.h
…
clk-ast2600.c
clk: ast2600: Add comment about combined clock + reset handling
2023-03-06 14:11:29 -08:00
clk-axi-clkgen.c
clk: axi-clkgen: Switch to determine_rate
2023-06-08 18:39:33 -07:00
clk-axm5516.c
clk: axm5516: Use managed of_clk_add_hw_provider()
2023-04-10 12:45:12 -07:00
clk-bd718x7.c
…
clk-bm1880.c
clk: bm1880: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:50 -07:00
clk-bulk.c
clk: bulk: Use dev_err_probe() helper in __clk_bulk_get()
2022-10-17 16:07:51 -07:00
clk-cdce706.c
Merge branches 'clk-renesas', 'clk-determine-rate', 'clk-allwinner', 'clk-samsung' and 'clk-amlogic' into clk-next
2023-06-26 08:55:04 -07:00
clk-cdce925.c
Merge branches 'clk-imx', 'clk-microchip', 'clk-cleanup', 'clk-bindings', 'clk-ti' and 'clk-kasprintf' into clk-next
2023-06-26 08:55:22 -07:00
clk-clps711x.c
…
clk-composite.c
clk: composite: Fix handling of high clock rates
2023-06-12 17:42:10 -07:00
clk-conf.c
clk: add missing of_node_put() in "assigned-clocks" property parsing
2023-03-29 13:53:28 -07:00
clk-cs2000-cp.c
clk: Switch i2c drivers back to use .probe()
2023-05-10 14:05:34 -07:00
clk-devres.c
clk: Fix pointer casting to prevent oops in devm_clk_release()
2022-06-22 16:10:23 -07:00
clk-divider.c
clk: Introduce clk_hw_init_rate_request()
2022-09-15 09:31:40 -07:00
clk-en7523.c
clk: en7523: fix wrong pointer check in en7523_clk_probe()
2022-04-26 11:17:47 -07:00
clk-fixed-factor.c
clk: fixed-factor: Convert to platform remove callback returning void
2023-03-28 19:23:36 -07:00
clk-fixed-mmio.c
Nothing looks out of the ordinary in this batch of clk driver updates. There
2023-04-29 17:29:39 -07:00
clk-fixed-rate.c
clk: fixed-rate: Convert to platform remove callback returning void
2023-03-28 19:23:36 -07:00
clk-fractional-divider.c
clk: Compute masks for fractional_divider clk when needed.
2023-04-05 12:09:26 -07:00
clk-fractional-divider.h
…
clk-fsl-flexspi.c
…
clk-fsl-sai.c
kbuild, clk: remove MODULE_LICENSE in non-modules
2023-03-06 11:29:18 -08:00
clk-gate_test.c
…
clk-gate.c
…
clk-gemini.c
…
clk-gpio.c
…
clk-hi655x.c
…
clk-highbank.c
…
clk-hsdk-pll.c
clk: hsdk-pll: Use managed of_clk_add_hw_provider()
2023-04-10 12:45:12 -07:00
clk-k210.c
clk: k210: mux: Add a determine_rate hook
2023-06-08 18:39:27 -07:00
clk-lan966x.c
clk: lan966x: Remove unused round_rate hook
2023-06-08 18:39:25 -07:00
clk-lmk04832.c
clk: lmk04832: clkout: Add a determine_rate hook
2023-06-08 18:39:27 -07:00
clk-lochnagar.c
clk: lochnagar: Add a determine_rate hook
2023-06-08 18:39:27 -07:00
clk-loongson1.c
clk: loongson1: Re-implement the clock driver
2023-03-21 16:34:23 -07:00
clk-loongson2.c
clk: clk-loongson2: Zero init clk_init_data
2023-06-12 18:30:46 -07:00
clk-max9485.c
clk: Switch i2c drivers back to use .probe()
2023-05-10 14:05:34 -07:00
clk-max77686.c
…
clk-milbeaut.c
clock: milbeaut: use devm_platform_get_and_ioremap_resource()
2023-03-29 14:48:32 -07:00
clk-moxart.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2)
2022-06-10 14:51:35 +02:00
clk-multiplier.c
…
clk-mux.c
clk: mux: remove redundant initialization of variable width
2022-04-25 15:49:20 -07:00
clk-nomadik.c
clk: nomadik: correct struct name kernel-doc warning
2022-12-09 10:26:25 -08:00
clk-npcm7xx.c
clk: clk-npcm7xx: Remove unused struct npcm7xx_clk_gate_data and npcm7xx_clk_div_fixed_data
2022-09-28 17:39:04 -07:00
clk-nspire.c
…
clk-oxnas.c
clk: oxnas: Hold reference returned by of_get_parent()
2022-08-19 14:35:43 -07:00
clk-palmas.c
clk: palmas: Convert to platform remove callback returning void
2023-03-28 19:23:37 -07:00
clk-plldig.c
…
clk-pwm.c
clk: pwm: Convert to platform remove callback returning void
2023-03-28 19:23:37 -07:00
clk-qoriq.c
clk: qoriq: Add a determine_rate hook
2023-06-08 18:39:27 -07:00
clk-renesas-pcie.c
Merge branches 'clk-platform', 'clk-i2c', 'clk-mediatek', 'clk-i2cid' and 'clk-vc5' into clk-next
2023-06-26 08:54:19 -07:00
clk-rk808.c
clk: RK808: Reduce 'struct rk808' usage
2023-05-15 16:13:56 +01:00
clk-s2mps11.c
clk: s2mps11: Convert to platform remove callback returning void
2023-03-28 19:23:37 -07:00
clk-scmi.c
…
clk-scpi.c
clk: scpi: Convert to platform remove callback returning void
2023-03-28 19:23:37 -07:00
clk-si514.c
clk: Switch i2c drivers back to use .probe()
2023-05-10 14:05:34 -07:00
clk-si521xx.c
clk: si521xx: Switch i2c driver back to use .probe()
2023-06-12 18:16:43 -07:00
clk-si544.c
clk: Switch i2c drivers back to use .probe()
2023-05-10 14:05:34 -07:00
clk-si570.c
clk: Switch i2c drivers back to use .probe()
2023-05-10 14:05:34 -07:00
clk-si5341.c
Merge branches 'clk-imx', 'clk-microchip', 'clk-cleanup', 'clk-bindings', 'clk-ti' and 'clk-kasprintf' into clk-next
2023-06-26 08:55:22 -07:00
clk-si5351.c
Merge branches 'clk-renesas', 'clk-determine-rate', 'clk-allwinner', 'clk-samsung' and 'clk-amlogic' into clk-next
2023-06-26 08:55:04 -07:00
clk-si5351.h
…
clk-sp7021.c
clk: sp7021: Adjust width of _m in HWM_FIELD_PREP()
2023-05-02 18:34:26 -07:00
clk-sparx5.c
…
clk-stm32f4.c
clk: stm32f4: mux: Add a determine_rate hook
2023-06-08 18:39:27 -07:00
clk-stm32h7.c
clk: stm32h7: Remove an unused field in struct stm32_fractional_divider
2023-04-03 14:10:42 -07:00
clk-stm32mp1.c
clk: stm32mp1: Convert to platform remove callback returning void
2023-03-28 19:23:37 -07:00
clk-tps68470.c
platform/x86: int3472: Support multiple clock consumers
2022-09-24 19:12:32 +02:00
clk-twl6040.c
…
clk-versaclock5.c
Merge branches 'clk-imx', 'clk-microchip', 'clk-cleanup', 'clk-bindings', 'clk-ti' and 'clk-kasprintf' into clk-next
2023-06-26 08:55:22 -07:00
clk-versaclock7.c
Merge branches 'clk-platform', 'clk-i2c', 'clk-mediatek', 'clk-i2cid' and 'clk-vc5' into clk-next
2023-06-26 08:54:19 -07:00
clk-vt8500.c
…
clk-wm831x.c
clk: wm831x: clkout: Add a determine_rate hook
2023-06-08 18:39:28 -07:00
clk-xgene.c
clk: clk-xgene: simplify if-if to if-else
2022-10-03 14:13:29 -07:00
clk.c
Merge branches 'clk-imx', 'clk-microchip', 'clk-cleanup', 'clk-bindings', 'clk-ti' and 'clk-kasprintf' into clk-next
2023-06-26 08:55:22 -07:00
clk.h
…
clkdev.c
clkdev: Simplify devm_clk_hw_register_clkdev() function
2022-09-30 14:50:11 -07:00
Kconfig
ARM: New SoC support for 6.5
2023-06-29 15:11:17 -07:00
Makefile
clk: nuvoton: Add clock driver for ma35d1 clock controller
2023-06-05 13:18:08 +02:00