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This reverts commit 82f4b67f018c88a7cc9337f0067ed3d6ec352648.
According to a subsequent revert in the vendor kernel, the original
change was based on unclear documentation and was in fact incorrect.
Emprically, my board's HS200 eMMC at 200MHZ apparently gets lucky with a
phase where this had no impact, but limiting max-frequency to 150MHz to
match the nominal capability of the I/O pins made it virtually unusable,
constantly throwing errors and retuning. With this revert, it starts
behaving perfectly at 150MHz too.
Fixes: 82f4b67f018c ("clk: rockchip: fix wrong mmc sample phase shift for rk3328")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://lore.kernel.org/r/c80eb52e34c03f817586b6b7912fbd4e31be9079.1589475794.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This round of clk driver and framework updates is heavy on the driver
update side. The two main highlights in the core framework are the
addition of an bulk clk_get API that handles optional clks and an
extra debugfs file that tells the developer about the current parent
of a clk.
The driver updates are dominated by i.MX in the diffstat, but that is
mostly because that SoC has started converting to the clk_hw style of
clk registration. The next big update is in the Amlogic meson clk
driver that gained some support for audio, cpu, and temperature clks
while fixing some PLL issues. Finally, the biggest thing that stands
out is the conversion of a large part of the Allwinner sunxi-ng driver
to the new clk parent scheme that uses less strings and more pointer
comparisons to match clk parents and children up.
In general, it looks like we have a lot of little fixes and tweaks
here and there to clk data along with the normal addition of a handful
of new drivers and a couple new core framework features.
Core:
- Add a 'clk_parent' file in clk debugfs
- Add a clk_bulk_get_optional() API (with devm too)
New Drivers:
- Support gated clk controller on MIPS based BCM63XX SoCs
- Support SiLabs Si5341 and Si5340 chips
- Support for CPU clks on Raspberry Pi devices
- Audsys clock driver for MediaTek MT8516 SoCs
Updates:
- Convert a large portion of the Allwinner sunxi-ng driver to new clk parent scheme
- Small frequency support for SiLabs Si544 chips
- Slow clk support for AT91 SAM9X60 SoCs
- Remove dead code in various clk drivers (-Wunused)
- Support for Marvell 98DX1135 SoCs
- Get duty cycle of generic pwm clks
- Improvement in mmc phase calculation and cleanup of some rate defintions
- Switch i.MX6 and i.MX7 clock drivers to clk_hw based APIs
- Add GPIO, SNVS and GIC clocks for i.MX8 drivers
- Mark imx6sx/ul/ull/sll MMDC_P1_IPG and imx8mm DRAM_APB as critical clock
- Correct imx7ulp nic1_bus_clk and imx8mm audio_pll2_clk clock setting
- Add clks for new Exynos5422 Dynamic Memory Controller driver
- Clock definition for Exynos4412 Mali
- Add CMM (Color Management Module) clocks on Renesas R-Car H3, M3-N, E3, and D3
- Add TPU (Timer Pulse Unit / PWM) clocks on Renesas RZ/G2M
- Support for 32 bit clock IDs in TI's sci-clks for J721e SoCs
- TI clock probing done from DT by default instead of firmware
- Fix Amlogic Meson mpll fractional part and spread sprectrum issues
- Add Amlogic meson8 audio clocks
- Add Amlogic g12a temperature sensors clocks
- Add Amlogic g12a and g12b cpu clocks
- Add TPU (Timer Pulse Unit / PWM) clocks on Renesas R-Car H3, M3-W, and M3-N
- Add CMM (Color Management Module) clocks on Renesas R-Car M3-W
- Add Clock Domain support on Renesas RZ/N1"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (190 commits)
clk: consoldiate the __clk_get_hw() declarations
clk: sprd: Add check for return value of sprd_clk_regmap_init()
clk: lochnagar: Update DT binding doc to include the primary SPDIF MCLK
clk: Add Si5341/Si5340 driver
dt-bindings: clock: Add silabs,si5341
clk: clk-si544: Implement small frequency change support
clk: add BCM63XX gated clock controller driver
devicetree: document the BCM63XX gated clock bindings
clk: at91: sckc: use dedicated functions to unregister clock
clk: at91: sckc: improve error path for sama5d4 sck registration
clk: at91: sckc: remove unnecessary line
clk: at91: sckc: improve error path for sam9x5 sck register
clk: at91: sckc: add support to free slow clock osclillator
clk: at91: sckc: add support to free slow rc oscillator
clk: at91: sckc: add support to free slow oscillator
clk: rockchip: export HDMIPHY clock on rk3228
clk: rockchip: add watchdog pclk on rk3328
clk: rockchip: add clock id for hdmi_phy special clock on rk3228
clk: rockchip: add clock id for watchdog pclk on rk3328
clk: at91: sckc: add support for SAM9X60
...
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The watchdog pclk is controlled from the secure GRF but we still
want to mention it explicitly to not use arbitary parent clocks
in the devicetree wdt node, so add a SGRF_GATE for it.
Suggested-by: Leonidas P. Papadakos <papadakospan@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Based on 3 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1105 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that we've gotten rid of clk_readl() we can remove io.h from the
clk-provider header and push out the io.h include to any code that isn't
already including the io.h header but using things like readl/writel,
etc.
Found with this grep:
git grep -l clk-provider.h | grep '.c$' | xargs git grep -L 'linux/io.h' | \
xargs git grep -l \
-e '\<__iowrite32_copy\>' --or \
-e '\<__ioread32_copy\>' --or \
-e '\<__iowrite64_copy\>' --or \
-e '\<ioremap_page_range\>' --or \
-e '\<ioremap_huge_init\>' --or \
-e '\<arch_ioremap_pud_supported\>' --or \
-e '\<arch_ioremap_pmd_supported\>' --or \
-e '\<devm_ioport_map\>' --or \
-e '\<devm_ioport_unmap\>' --or \
-e '\<IOMEM_ERR_PTR\>' --or \
-e '\<devm_ioremap\>' --or \
-e '\<devm_ioremap_nocache\>' --or \
-e '\<devm_ioremap_wc\>' --or \
-e '\<devm_iounmap\>' --or \
-e '\<devm_ioremap_release\>' --or \
-e '\<devm_memremap\>' --or \
-e '\<devm_memunmap\>' --or \
-e '\<__devm_memremap_pages\>' --or \
-e '\<pci_remap_cfgspace\>' --or \
-e '\<arch_has_dev_port\>' --or \
-e '\<arch_phys_wc_add\>' --or \
-e '\<arch_phys_wc_del\>' --or \
-e '\<memremap\>' --or \
-e '\<memunmap\>' --or \
-e '\<arch_io_reserve_memtype_wc\>' --or \
-e '\<arch_io_free_memtype_wc\>' --or \
-e '\<__io_aw\>' --or \
-e '\<__io_pbw\>' --or \
-e '\<__io_paw\>' --or \
-e '\<__io_pbr\>' --or \
-e '\<__io_par\>' --or \
-e '\<__raw_readb\>' --or \
-e '\<__raw_readw\>' --or \
-e '\<__raw_readl\>' --or \
-e '\<__raw_readq\>' --or \
-e '\<__raw_writeb\>' --or \
-e '\<__raw_writew\>' --or \
-e '\<__raw_writel\>' --or \
-e '\<__raw_writeq\>' --or \
-e '\<readb\>' --or \
-e '\<readw\>' --or \
-e '\<readl\>' --or \
-e '\<readq\>' --or \
-e '\<writeb\>' --or \
-e '\<writew\>' --or \
-e '\<writel\>' --or \
-e '\<writeq\>' --or \
-e '\<readb_relaxed\>' --or \
-e '\<readw_relaxed\>' --or \
-e '\<readl_relaxed\>' --or \
-e '\<readq_relaxed\>' --or \
-e '\<writeb_relaxed\>' --or \
-e '\<writew_relaxed\>' --or \
-e '\<writel_relaxed\>' --or \
-e '\<writeq_relaxed\>' --or \
-e '\<readsb\>' --or \
-e '\<readsw\>' --or \
-e '\<readsl\>' --or \
-e '\<readsq\>' --or \
-e '\<writesb\>' --or \
-e '\<writesw\>' --or \
-e '\<writesl\>' --or \
-e '\<writesq\>' --or \
-e '\<inb\>' --or \
-e '\<inw\>' --or \
-e '\<inl\>' --or \
-e '\<outb\>' --or \
-e '\<outw\>' --or \
-e '\<outl\>' --or \
-e '\<inb_p\>' --or \
-e '\<inw_p\>' --or \
-e '\<inl_p\>' --or \
-e '\<outb_p\>' --or \
-e '\<outw_p\>' --or \
-e '\<outl_p\>' --or \
-e '\<insb\>' --or \
-e '\<insw\>' --or \
-e '\<insl\>' --or \
-e '\<outsb\>' --or \
-e '\<outsw\>' --or \
-e '\<outsl\>' --or \
-e '\<insb_p\>' --or \
-e '\<insw_p\>' --or \
-e '\<insl_p\>' --or \
-e '\<outsb_p\>' --or \
-e '\<outsw_p\>' --or \
-e '\<outsl_p\>' --or \
-e '\<ioread8\>' --or \
-e '\<ioread16\>' --or \
-e '\<ioread32\>' --or \
-e '\<ioread64\>' --or \
-e '\<iowrite8\>' --or \
-e '\<iowrite16\>' --or \
-e '\<iowrite32\>' --or \
-e '\<iowrite64\>' --or \
-e '\<ioread16be\>' --or \
-e '\<ioread32be\>' --or \
-e '\<ioread64be\>' --or \
-e '\<iowrite16be\>' --or \
-e '\<iowrite32be\>' --or \
-e '\<iowrite64be\>' --or \
-e '\<ioread8_rep\>' --or \
-e '\<ioread16_rep\>' --or \
-e '\<ioread32_rep\>' --or \
-e '\<ioread64_rep\>' --or \
-e '\<iowrite8_rep\>' --or \
-e '\<iowrite16_rep\>' --or \
-e '\<iowrite32_rep\>' --or \
-e '\<iowrite64_rep\>' --or \
-e '\<__io_virt\>' --or \
-e '\<pci_iounmap\>' --or \
-e '\<virt_to_phys\>' --or \
-e '\<phys_to_virt\>' --or \
-e '\<ioremap_uc\>' --or \
-e '\<ioremap\>' --or \
-e '\<__ioremap\>' --or \
-e '\<iounmap\>' --or \
-e '\<ioremap\>' --or \
-e '\<ioremap_nocache\>' --or \
-e '\<ioremap_uc\>' --or \
-e '\<ioremap_wc\>' --or \
-e '\<ioremap_wc\>' --or \
-e '\<ioremap_wt\>' --or \
-e '\<ioport_map\>' --or \
-e '\<ioport_unmap\>' --or \
-e '\<ioport_map\>' --or \
-e '\<ioport_unmap\>' --or \
-e '\<xlate_dev_kmem_ptr\>' --or \
-e '\<xlate_dev_mem_ptr\>' --or \
-e '\<unxlate_dev_mem_ptr\>' --or \
-e '\<virt_to_bus\>' --or \
-e '\<bus_to_virt\>' --or \
-e '\<memset_io\>' --or \
-e '\<memcpy_fromio\>' --or \
-e '\<memcpy_toio\>'
I also reordered a couple includes when they weren't alphabetical and
removed clk.h from kona, replacing it with clk-provider.h because
that driver doesn't use clk consumer APIs.
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Cc: Chris Zankel <chris@zankel.net>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: John Crispin <john@phrozen.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This patch fixes definition of several clock gate and select register
that is wrong for rk3328 referring to the TRM and vendor kernel.
Also use correct number of softrst registers.
Fix clock definition for:
- clk_crypto
- aclk_h265
- pclk_h265
- aclk_h264
- hclk_h264
- aclk_axisram
- aclk_gmac
- aclk_usb3otg
Fixes: fe3511ad8a1c ("clk: rockchip: add clock controller for rk3328")
Cc: stable@vger.kernel.org
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This patch fixes settings of GPLL frequency in fractional mode for
rk3328. In this mode, FOUTVCO is calcurated by following formula:
FOUTVCO = FREF * FBDIV / REFDIV + ((FREF * FRAC / REFDIV) >> 24)
The problem is in FREF * FRAC >> 24 term. This result always lacks
one from target value is specified by rate member. For example first
itme of rk3328_pll_frac_rate originally has
- rate : 1016064000
- refdiv: 3
- fbdiv : 127
- frac : 134217
- FREF * FBDIV / REFDIV = 1016000000
- (FREF * FRAC / REFDIV) >> 24 = 63999
Thus calculated rate is 1016063999. It seems wrong.
If frac has 134218 (it is increased 1 from original value), second
term is 64000. All other items have same situation. So this patch
adds 1 to frac member in all items of rk3328_pll_frac_rate.
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Acked-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the newly added clock-id for PCLK_ACODECPHY to the gate-clock,
so that it gets usable from devicetree.
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This patch fixes definition of I2S1 clock gate register for rk3328.
Current setting is not related I2S clocks.
- bit6 of CRU_CLKGATE_CON0 means clk_ddrmon_en
- bit6 of CRU_CLKGATE_CON1 means clk_i2s1_en
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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mmc sample shift is 0 for RK3328 referring to the TRM.
So fix them.
Fixes: fe3511ad8a1c ("clk: rockchip: add clock controller for rk3328")
Cc: stable@vger.kernel.org
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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commit c420c1e4db22 ("clk: rockchip: Prevent calculating mmc phase if
clock rate is zero") catches some gremlins for clk-rk3328.c that the
parents of MMC phase clock should be clk_{sdmmc, sdio, emmc}, but not
sclk_{sdmmc, sdio, emmc}.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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dclk_lcdc can be sourced from a general pll source as well
as the hdmiphy's pll output. We will want to set this source
by hand (to the system-pll-source in most cases) and also
want rate changes to this clock to be able to also touch
the pll source clock if needed, so add CLK_SET_RATE_PARENT
and CLK_SET_RATE_NO_REPARENT for dclk_lcdc.
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
[ammended commit message]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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These are already marked as critical, so there is no need for an
additional ignore_unused flag.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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NIU clocks are supplying the interconnect connections to specific
peripherals and are currently not controlled in any way.
So to prevent things falling apart at strange moments, mark all
niu clocks as critical.
Most of them where marked as CLK_IGNORE_UNUSED, but that doesn't
help if a parent clock then gets disabled.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This clock is one of the dw-hdmi supplying clocks and thus
needs to be exported.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The clock wrongly was called hclk_vio and exported, while it actually is
a clock of the interconnect-vio connection and should therefore be always
on till we actually model the interconnect.
So fix that and don't export it as HCLK_VIO.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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With the newly introduced clk type for muxes in the grf we now can
describe some missing clocks, like the clk_gmac2io and clk_gmac2phy
that selects between clk_mac2io_src and gmac_clkin based on a bit
set in the general register files.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the clock tree definition for the new rk3328 SoC.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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