Phil Elwell 3542976d85 clk: bcm2835: Minimise clock jitter for PCM clock ...

Fractional clock dividers generate accurate average frequencies but
with jitter, particularly when the integer divisor is small.

Introduce a new metric of clock accuracy to penalise clocks with a good
average but worse jitter compared to clocks with an average which is no
better but with lower jitter. The metric is the ideal rate minus the
worse deviation from that ideal using the nearest integer divisors.

Use this metric for parent selection for clocks requiring low jitter
(currently just PCM).

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

2017-06-02 15:42:21 -07:00

..

at91

clk: at91: fix clk-generated parenting

2017-06-01 00:47:50 -07:00

axis

clk: axis: Use new macro CLK_OF_DECLARE_DRIVER

2016-08-12 18:00:37 -07:00

axs10x

clk/axs10x: Clear init field in driver probe

2017-01-09 16:06:40 -08:00

bcm

clk: bcm2835: Minimise clock jitter for PCM clock

2017-06-02 15:42:21 -07:00

berlin

clk: berlin: Pass correct type to hw provider registration

2016-11-16 11:04:17 -08:00

h8300

clk: h8300: Migrate to clk_hw based registration APIs

2016-08-24 17:37:10 -07:00

hisilicon

clk: hi3620: Fix a typo in one variable name

2017-04-19 11:29:49 -07:00

imx

clk: imx7d: Fix the powerdown bit location of PLL DDR

2017-06-01 00:25:38 -07:00

ingenic

clk: ingenic: Allow divider value to be divided

2016-05-12 14:48:25 -07:00

keystone

clk: keystone: pll: Unmap region obtained by of_iomap

2016-12-08 16:34:15 -08:00

loongson1

CLK: Add Loongson1C clock support

2016-09-23 14:49:21 -07:00

mediatek

clk: mediatek: add mt2701 ethernet reset

2017-04-21 19:20:33 -07:00

meson

clk: meson-gxbb: Add const to some parent name arrays

2017-06-02 10:57:50 -07:00

microchip

clk: microchip: Initialize SOSC clock rate for PIC32MZDA.

2016-08-24 16:05:24 -07:00

mmp

clk:mmp:clk-of-mmp2: Free memory and Unmap region obtained by kzalloc and of_iomap

2016-12-08 16:29:39 -08:00

mvebu

clk: mvebu: armada-38x: add support for 1866MHz variants

2017-06-01 00:25:21 -07:00

mxs

…

nxp

clk: nxp: clk-lpc18xx-ccu: Unmap region obtained by of_iomap

2016-11-01 17:32:25 -07:00

pistachio

…

pxa

ARM: SoC platform updates for v4.10

2016-12-15 15:39:02 -08:00

qcom

Sort of on the quieter side this time, which is probably due more

2017-05-10 13:38:18 -07:00

renesas

clk: renesas: r8a7794: Add new CPG/MSSR driver

2017-05-24 10:20:03 +02:00

rockchip

General rockchip clock changes for 4.12. Contains some new clock-ids

2017-04-12 18:50:34 +02:00

samsung

Merge branch 'next/late' with mainline

2017-03-02 17:52:44 +01:00

sirf

clk: sirf: Remove CLK_IS_ROOT

2016-04-15 16:50:04 -07:00

socfpga

…

spear

clk: spear: fix ADC clock definition on SPEAr600

2017-04-19 09:27:52 -07:00

st

clk: st: clk-flexgen: Unmap region obtained by of_iomap

2016-12-08 16:35:22 -08:00

sunxi

Allwinner clock changes for 4.10

2016-11-16 11:19:20 -08:00

sunxi-ng

clk: sunxi-ng: sun5i: Fix ahb_bist_clk definition

2017-05-25 14:04:19 -07:00

tegra

clk: tegra: Don't reset PLL-CX if it is already enabled

2017-04-04 16:06:05 +02:00

ti

clk: ti: divider: try to fix ti_clk_register_divider

2017-04-28 11:07:09 -07:00

uniphier

clk: uniphier: add eMMC clock for LD11 and LD20 SoCs

2017-02-03 11:55:21 -08:00

ux500

clk: ux500: Convert ABx500 clocks to use OF probing

2017-01-26 16:10:02 -08:00

versatile

ARM/clk: move the ICST library to drivers/clk

2017-04-07 11:58:12 +02:00

x86

clk: x86: pmc-atom: Checking for IS_ERR() instead of NULL

2017-05-01 11:13:25 -07:00

zte

clk: zte: Mark pll config tables as const

2017-04-12 18:51:34 +02:00

zynq

…

clk-asm9260.c

clk: asm9260: Migrate to clk_hw based registration and OF APIs

2016-08-24 16:08:33 -07:00

clk-axi-clkgen.c

clk: axi-clkgen: Migrate to clk_hw based OF and registration APIs

2016-08-24 16:10:31 -07:00

clk-axm5516.c

clk: axm5516: Migrate to clk_hw based OF and registration APIs

2016-08-24 16:11:07 -07:00

clk-bulk.c

clk: add clk_bulk_get accessories

2017-06-02 15:37:45 -07:00

clk-cdce706.c

clk: cdce: Migrate to clk_hw based OF and registration APIs

2016-08-24 16:12:38 -07:00

clk-cdce925.c

clk: cdce925: add support for CDCE913, CDCE937, and CDCE949

2017-01-09 16:38:30 -08:00

clk-clps711x.c

clk: clps711x: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:19:26 -07:00

clk-composite.c

Merge branch 'clk-hw-register' (early part) into clk-next

2016-04-21 14:47:18 -07:00

clk-conf.c

clk: Fix __set_clk_rates error print-string

2017-06-01 02:13:44 -07:00

clk-cs2000-cp.c

clk: cs2000: select 12.20 High Accuracy on LFRatioCfg

2017-04-19 10:18:55 -07:00

clk-devres.c

clk: add managed version of clk_bulk_get

2017-06-02 15:37:49 -07:00

clk-divider.c

clk: divider: Fix clk_divider_round_rate() to use clk_readl()

2016-08-12 17:33:09 -07:00

clk-efm32gg.c

clk: efm32gg: Pass correct type to hw provider registration

2016-11-16 11:08:55 -08:00

clk-fixed-factor.c

clk: fixed-factor: Remove export symbol on setup function

2016-08-15 15:08:03 -07:00

clk-fixed-rate.c

clk: fixed-rate: Remove export symbol on setup function

2016-08-15 15:08:06 -07:00

clk-fractional-divider.c

clk: fractional-divider: Add hw based registration APIs

2016-04-19 16:56:28 -07:00

clk-gate.c

clk: gate: fix coding style

2016-11-09 12:05:50 -08:00

clk-gpio.c

clk: gpio: Add hw based registration APIs

2016-04-19 16:56:28 -07:00

clk-hi655x.c

clk: hi6220: Add the hi655x's pmic clock

2017-04-21 19:18:53 -07:00

clk-highbank.c

clk: highbank: Migrate to clk_hw based registration and OF APIs

2016-06-30 12:25:28 -07:00

clk-max77686.c

clk: max77686: fix number of clocks setup for clk_hw based registration

2016-10-17 15:31:59 -07:00

clk-mb86s7x.c

clk: mb86s7x: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:23:01 -07:00

clk-moxart.c

clk: moxart: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:23:20 -07:00

clk-multiplier.c

clk: multiplier: Prevent the multiplier from under / over flowing

2016-06-20 13:00:00 -07:00

clk-mux.c

clk: mux: Add hw based registration APIs

2016-04-19 16:55:01 -07:00

clk-nomadik.c

clk: nomadik: Delete error messages for a failed memory allocation in two functions

2017-04-21 19:47:14 -07:00

clk-nspire.c

clk: nspire: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:23:21 -07:00

clk-oxnas.c

clk: oxnas: Add OX820 Gate clocks

2016-10-23 10:18:45 -07:00

clk-palmas.c

clk: palmas: undo preparation of a clock source.

2017-06-02 10:51:34 -07:00

clk-pwm.c

clk: pwm: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:23:27 -07:00

clk-qoriq.c

clk: qoriq: Separate root input clock for core PLLs on ls1012a

2017-06-01 01:24:13 -07:00

clk-rk808.c

clk: rk808: Pass the right pointer as the get_hw context

2016-09-09 11:07:07 -07:00

clk-s2mps11.c

clk: s2mps11: Migrate to clk_hw based OF and registration APIs

2016-06-30 12:29:14 -07:00

clk-scpi.c

clk: scpi: fix return type of __scpi_dvfs_round_rate

2017-06-01 02:13:11 -07:00

clk-si514.c

clk: si514: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:29:59 -07:00

clk-si570.c

clk: si570: Migrate to clk_hw based OF and registration APIs

2016-08-24 17:30:01 -07:00

clk-si5351.c

clk: si5351: Delete an error message for a failed memory allocation in si5351_i2c_probe()

2017-04-21 19:44:54 -07:00

clk-si5351.h

…

clk-stm32f4.c

clk: stm32f4: fix timeout management for pll and ready gate

2017-04-12 18:50:56 +02:00

clk-tango4.c

clk: tango4: improve clkgen driver

2016-04-15 17:16:06 -07:00

clk-twl6040.c

clk: twl6040: Migrate to clk_hw based registration APIs

2016-08-24 17:34:11 -07:00

clk-u300.c

clk: u300: Migrate to clk_hw based registration APIs

2016-06-30 12:26:18 -07:00

clk-versaclock5.c

clk: vc5: Add support for IDT VersaClock 5P49V5935

2017-04-19 09:08:59 -07:00

clk-vt8500.c

clk: vt8500: Migrate to clk_hw based registration APIs

2016-08-24 17:35:48 -07:00

clk-wm831x.c

clk: wm831x: fix usleep_range with bad range

2017-01-09 16:06:41 -08:00

clk-xgene.c

clk: xgene: Don't call __pa on ioremaped address

2016-10-28 11:03:47 -07:00

clk.c

clk: Improve a size determination in two functions

2017-04-21 19:47:02 -07:00

clk.h

…

clkdev.c

ARM: 8631/1: clkdev: Detect errors in clk_hw_register_clkdev() for mass registration

2016-11-22 11:45:28 +00:00

Kconfig

clk: hi6220: Add the hi655x's pmic clock

2017-04-21 19:18:53 -07:00

Makefile

Merge branch 'clk-bulk-get' into clk-next

2017-06-02 15:39:32 -07:00