The rk3399 clock table had a simple typo in it, calling the SDMMC sample
and drive clocks by the wrong name. Fix this minor typo.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Acked-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The cifout clock is incorrect due to the manual error, we need to
fix it.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
We don't need to many clocks enable after startup, to reduce some
power consumption.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This patch add some necessary frequencies for the RK3399 clock.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The gate bits of the i2c4 and i2c8 are incorrect due to the manual
error, we need to fix them.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
fix spelling mistake, unsucessful -> unsuccessful
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
We seem to have accumulated a bunch of checkpatch warnings, with mainly
overlong lines and two unnecessary allocation error messages.
Most were introduced with the recent multi-controller-support but some
were quite a bit older.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The internal clk header did contain a comment indicating that some of the
defined registers were shared over multiple clock controller variants.
In recent times, it was simply extended all the time and stopped providing
any meaningful information, so drop it and it's overlong line.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
We allow overlong lines in the array portitions describing the clock
trees to ease readability by having each element always at the same
position. But the rest of the code should honor the 80 char limit.
Fix the newly added rk3399 clock code to respect that.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add the clock tree definition for the new RK3399 SoC.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
We should call iounmap to relase reg_base since it's not going
to be used any more if failing to init clk.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
rockchip_clk_of_add_provider is used by sub-clk driver which
already call of_iomap before calling it. If device_node does
not exist, of_iomap returns NULL which will fail to init the
sub-clk driver. So really it's redundant.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
./scripts/kernel-doc -man -v drivers/clk/rockchip/clk.h > /dev/null
drivers/clk/rockchip/clk.h:133: warning: missing initial short
description on line:
* struct rockchip_clk_provider: information about clock provider
drivers/clk/rockchip/clk.h:133: info: Scanning doc for struct
drivers/clk/rockchip/clk.h:164: warning: missing initial short
description on line:
* struct rockchip_pll_clock: information about pll clock
drivers/clk/rockchip/clk.h:164: info: Scanning doc for struct
drivers/clk/rockchip/clk.h:194: warning: No description found for
parameter 'parent_names'
drivers/clk/rockchip/clk.h:194: warning: No description found for
parameter 'num_parents'
drivers/clk/rockchip/clk.h:194: warning: Excess struct/union/enum/typedef
member 'parent_name' description in 'rockchip_pll_clock'
drivers/clk/rockchip/clk.h:235: warning: missing initial short
description on line:
* struct rockchip_cpuclk_reg_data: describes register offsets and
masks of the cpuclock
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
mux_core_reg isn't been used anywhere, let's remove it.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The rk3399's pll and clock are similar with rk3036's, it different
with base on the rk3066(rk3188, rk3288, rk3368 use it), there are
different adjust foctors and control registers, so these should be
independent and separate from the series of rk3066s.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
There are need to support Multi-CRUs probability in future, but
it is not supported on the current Rockchip Clock Framework.
Therefore, this patch add support a provider as the parameter
handler when we call the clock register functions for per CRU.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Thers are only two parent PLLs that APLL and GPLL for core on the
previous SoCs (RK3066/RK3188/RK3288/RK3368). Hence, we set fixed
GPLL as alternate parent when core is switching freq.
Since RK3399 big.LITTLE architecture, we need to select and adapt
more PLLs (ALPLL/ABPLL/DPLL/GPLL) sources.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Because there are some frac clock mux nodes don't have a gate node on
the RK3399.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
new device support in terms of LoC, but there has been some cleanup
in the core as well as the usual minor clk additions to various
drivers.
Core:
- parent tracking has been simplified
- CLK_IS_ROOT is now a no-op flag, cleaning up drivers has started
- of_clk_init() doesn't consider disabled DT nodes anymore
- clk_unregister() had an error path bug squashed
- of_clk_get_parent_count() has been fixed to only return unsigned ints
- HAVE_MACH_CLKDEV is removed now that the last arch user (ARM) is gone
New Drivers:
- NXP LPC18xx creg
- QCOM IPQ4019 GCC
- TI dm814x ADPLL
- i.MX6QP
Updates:
- Cyngus audio clks found on Broadcom iProc devices
- Non-critical fixes for BCM2385 PLLs
- Samsung exynos5433 updates for clk id errors, HDMI support,
suspend/resume simplifications
- USB, CAN, LVDS, and FCP clks on shmobile devices
- sunxi got support for more clks on new SoCs and went through a minor
refactoring/rewrite to use a simpler factor clk construct
- rockchip added some more clk ids and added suport for fraction dividers
- QCOM GDSCs in msm8996
- A new devm helper to make adding custom actions simpler (acked by Greg)
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The clk changes for this release cycle are mostly dominated by new
device support in terms of LoC, but there has been some cleanup in the
core as well as the usual minor clk additions to various drivers.
Core:
- parent tracking has been simplified
- CLK_IS_ROOT is now a no-op flag, cleaning up drivers has started
- of_clk_init() doesn't consider disabled DT nodes anymore
- clk_unregister() had an error path bug squashed
- of_clk_get_parent_count() has been fixed to only return unsigned ints
- HAVE_MACH_CLKDEV is removed now that the last arch user (ARM) is gone
New Drivers:
- NXP LPC18xx creg
- QCOM IPQ4019 GCC
- TI dm814x ADPLL
- i.MX6QP
Updates:
- Cyngus audio clks found on Broadcom iProc devices
- Non-critical fixes for BCM2385 PLLs
- Samsung exynos5433 updates for clk id errors, HDMI support,
suspend/resume simplifications
- USB, CAN, LVDS, and FCP clks on shmobile devices
- sunxi got support for more clks on new SoCs and went through a
minor refactoring/rewrite to use a simpler factor clk construct
- rockchip added some more clk ids and added suport for fraction
dividers
- QCOM GDSCs in msm8996
- A new devm helper to make adding custom actions simpler (acked by Greg)"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (197 commits)
clk: bcm2835: fix check of error code returned by devm_ioremap_resource()
clk: renesas: div6: use RENESAS for #define
clk: renesas: Rename header file renesas.h
clk: max77{686,802}: Remove CLK_IS_ROOT
clk: versatile: Remove CLK_IS_ROOT
clk: sunxi: Remove use of variable length array
clk: fixed-rate: Remove CLK_IS_ROOT
clk: qcom: Remove CLK_IS_ROOT
doc: dt: add documentation for lpc1850-creg-clk driver
clk: add lpc18xx creg clk driver
clk: lpc32xx: fix compilation warning
clk: xgene: Add missing parenthesis when clearing divider value
clk: mb86s7x: Remove CLK_IS_ROOT
clk: x86: Remove clkdev.h and clk.h includes
clk: x86: Remove CLK_IS_ROOT
clk: mvebu: Remove CLK_IS_ROOT
clk: renesas: move drivers to renesas directory
clk: si5{14,351,70}: Remove CLK_IS_ROOT
clk: scpi: Remove CLK_IS_ROOT
clk: s2mps11: Remove CLK_IS_ROOT
...
Here's our branch of ARM64 contents for this merge window, now
containing all ARM64 changes other than device tree files.
- Various new platforms get added
- Allwinner A64 SoC
- Annapurna Labs Alpine SoCs
- Broadcom Vulcan
- Marvell Armada 3700 SoCs
- Amlogic S905
- Various defconfig changes to enable platform specific drivers
This branch includes the clk git tree to resolve a build-time
dependency.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC 64-bit changes from Arnd Bergmann:
"Here's our branch of ARM64 contents for this merge window, now
containing all ARM64 changes other than device tree files.
- Various new platforms get added:
* Allwinner A64 SoC
* Annapurna Labs Alpine SoCs
* Broadcom Vulcan
* Marvell Armada 3700 SoCs
* Amlogic S905
- Various defconfig changes to enable platform specific drivers
This branch includes the clk git tree to resolve a build-time
dependency"
* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
arm64: defconfig: Increase MMC_BLOCK_MINORS to 16
arm64: defconfig: Add Qualcomm sdhci and restart functionality
ARM64: Enable Amlogic Meson GXBaby platform
arm64: defconfig: Enable Samsung MFD and related configs
arm64: alpine: select the Alpine MSI controller driver
arm64: defconfig: enable the Alpine family
arm64: add Alpine SoC family
arm64: defconfig: Enable exynos thermal config
arm64: add defconfig options for Allwinner SoCs
arm64: defconfig: Enable DesignWare APB GPIO controller
arm64: defconfig: Add Renesas R-Car Gen3 USB 2.0 phy driver support
arm64: EXYNOS: Consolidate ARCH_EXYNOS7 symbol into ARCH_EXYNOS
clk: samsung: Don't build ARMv8 clock drivers on ARMv7
MAINTAINERS: Add entry for Broadcom Vulcan SoC
arm64: cputype info for Broadcom Vulcan
arm64: Broadcom Vulcan support
arm64: defconfig: Add Broadcom Vulcan to defconfig
arm64: update ARCH_MVEBU for Marvell Armada 7K/8K support
Documentation: arm: add Marvell Armada 7K and 8K families
Documentation: arm: add link to Armada 38x Functional Spec
...
The emac needs constant and very specific rate but the possible PLL-sources
are very limited, so we expect the PLL source to be set manually on per
board and don't want it to get changed in an automatic way later.
So add the necessary clock-id and disable reparenting on set_rate calls.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Associate the new clock id the clock.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Cc: Xing Zheng <zhengxing@rock-chips.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-clk@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org
Signed-off-by: David S. Miller <davem@davemloft.net>
fixes for missing error-handling in mmc-phase, inverters and cpu-clocks
and some more clock-ids.
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Merge tag 'v4.6-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next
Pull second batch of rockchip clk updates from Heiko Stuebner:
Inclusion of the rk3368 fractional dividers into our handling scheme,
fixes for missing error-handling in mmc-phase, inverters and cpu-clocks
and some more clock-ids.
* tag 'v4.6-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
clk: rockchip: include downstream muxes into fractional dividers on rk3368
clk: rockchip: set the clock ids for RK3228 HDMI
clk: rockchip: set the clock ids for RK3228 VOP
clk: rockchip: add the tsadc clocks found on rk3228 SoCs
clk: rockchip: add the new clock ids for RK3228 HDMI
clk: rockchip: add the new clock ids for RK3228 VOP
clk: rockchip: add id of the tsadc clock found on rk3228 SoCs
clk: rockchip: fix coding style for clk-cpu.c
clk: rockchip: don't return NULL when registering mmc branch fails
clk: rockchip: don't return NULL when registering inverter fails
clk: rockchip: check grf when waiting pll lock
clk: rockchip: disable alt_parent clk in err cases when registering cpuclk
During the initial conversion to the newly introduced combined fractional
dividers+muxes the rk3368 clocks were left out, so convert them now.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This patch adds the needed clocks for rk3228 tsadc.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Fix the issue reported by checkpatch:
ERROR: space prohibited before that ',' (ctx:WxW)
+ writel(clksel->val , cpuclk->reg_base + clksel->reg);
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Avoid return NULL if rockchip_clk_register_mmc fails, otherwise
rockchip_clk_register_branches print "unknown clock type". The acutal
case is that it's a known clock type but we fail to regiser it, which
may makes user confuse the reason of failure.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Avoid return NULL if rockchip_clk_register_inverter fails, otherwise
rockchip_clk_register_branches print "unknown clock type". The acutal
case is that it's a known clock type but we fail to regiser it, which
may makes user confuse the reason of failure.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
rockchip_clk_get_grf pass on return value from
syscon_regmap_lookup_by_phandle, so we check grf to
make sure whether to do the following things or not.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
to be able to also declare factor clocks in their correct
place in the clock tree instead of having to register factor
clocks in the init callback separately. And as always some more
clock-ids and non-regression fixes for mistakes introduced in
past kernel releases.
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Merge tag 'v4.6-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next
Introduction of a factor type and a variant containing a gate
to be able to also declare factor clocks in their correct
place in the clock tree instead of having to register factor
clocks in the init callback separately. And as always some more
clock-ids and non-regression fixes for mistakes introduced in
past kernel releases.
Clean up the init code and move the creation of factor clocks to the
appropriate positions coming from the clock architecture diagrams.
This also unifies the artificial separation of the hclk_vcodec etc clocks
again.
We do keep the separate definition of some watchdog and usb480m pseudo
clocks for now, as they're not real factor clocks from the clock-tree
but placeholders for fixes to come (usb480m gets supplied by the
missing driver for the new usbphy type and the watchdog-gate is sitting
somewhere else together which we cannot model currently).
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add a clock type for fixed factor clocks. This allows us to define fixed
factor clocks where they appear in the clock hierarchy instead of in the
init function.
The additional factor_gate type, finally allows us to model some last
parts of the clock tree correctly.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
hclk_vcodec is a child of aclk_vcodec with the fixed factor clock
hclk_vcodec_pre in between and not a child of hclk_disp_pre.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Commit e6d5e7d90b ("clk-divider: Fix READ_ONLY when divider > 1") removed
the special ops struct for read-only clocks and instead opted to handle
them inside the regular ops.
On the rk3368 this results in breakage as aclkm now gets set a value.
While it is the same divider value, the A53 core still doesn't like it,
which can result in the cpu ending up in a hang.
The reason being that "ACLKENMasserts one clock cycle before the rising
edge of ACLKM" and the clock should only be touched when STANDBYWFIL2
is asserted.
To fix this, reintroduce the read-only ops but do include the round_rate
callback. That way no writes that may be unsafe are done to the divider
register in any case.
The Rockchip use of the clk_divider_ops is adapted to this split again,
as is the nxp, lpc18xx-ccu driver that was included since the original
commit. On lpc18xx-ccu the divider seems to always be read-only
so only uses the new ops now.
Fixes: e6d5e7d90b ("clk-divider: Fix READ_ONLY when divider > 1")
Reported-by: Zhang Qing <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Allow sclk_i2s0 and i2s0_frac to change their parents rate as
that the upstream dividers are purely there to feed sclk_i2s0
Tested on radxarock-lite.
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
mmc sample shift is 0 for rk3228 refer to user manaul.
So it's broken if we enable mmc tuning for rk3228.
Fixes: 307a2e9ac ("clk: rockchip: add clock controller for rk3228")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
hclk_cpubus needs to keep running because it is needed for devices like
the rom, i2s0 or spdif to be accessible via cpu. Without that all
accesses to devices (readl/writel) return wrong data. So add it
to the list of critical clocks.
Fixes: 78eaf6095c ("clk: rockchip: disable unused clocks")
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Cc: stable@vger.kernel.org # 4.1.x-
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Set clock id for sclk_tsadc gating clock of tsadc in rk3066
Signed-off-by: Paweł Jarosz <paweljarosz3691@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The otgphy clocks really only drive the phy blocks. These in turn
contain plls that then generate the 480m clocks the clock controller
uses to supply some other clocks like uart0, gpu or the video-codec.
So fix this structure to actually respect that hirarchy and removed
that usb480m fixed-rate clock working as a placeholder till now, as
this wouldn't even work if the supplying phy gets turned off while
its pll-output gets used elsewhere.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Michael Turquette <mturquette@baylibre.com>
I2S_2CH set freq need to select parent and calculate parent freq.
so just mark it as the CLK_SET_RATE_PARENT flag.
Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
SPDIF_8CH set freq need to select parent and calculate parent freq.
so just mark it as the CLK_SET_RATE_PARENT flag.
Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The edp_24m parent select bit define is:
1'b0:xin24m
1'b1:1'b0(dummy)
so adapt the parent sel bit to the currect one.
Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The vdpu and vepu clocks can also be parented to the npll and current
parent list also is wrong as it would use the npll as "usbphy" source,
so adapt the parent to the correct one.
Fixes: 3536c97a52 ("clk: rockchip: add rk3368 clock controller")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: zhangqing <zhangqing@rock-chips.com>
Cc: stable@vger.kernel.org
