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4 Commits

Author SHA1 Message Date
Daniel Palmer
fadbafc1b7 clk: mstar: msc313 cpupll clk driver 
Add a driver for the CPU pll/ARM pll/MIPS pll that is present
in MStar SoCs.

Currently there is no documentation for this block so it's possible
this driver isn't entirely correct.

Only tested on the version of this IP in the MStar/SigmaStar
ARMv7 SoCs.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Co-developed-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Link: https://lore.kernel.org/r/20221022133404.3832-2-romain.perier@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2022-10-27 11:44:27 -07:00
Daniel Palmer
d90afa62ac clk: mstar: msc313-mpll: Fix format specifier 
The output dividers are unsigned int so the format specifier
should have been %u not %d.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Link: https://lore.kernel.org/r/20210215115710.3762276-2-daniel@0x0f.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2021-02-16 12:52:28 -08:00
Daniel Palmer
93c89f03cb clk: mstar: Allow MStar clk drivers to be compile tested 
Allow COMPILE_TEST to also build the MStar clk drivers
instead of only building them when ARCH_MSTARV7 is selected.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20210215115710.3762276-1-daniel@0x0f.com
[sboyd@kernel.org: Drop regmap select too]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2021-02-16 12:52:21 -08:00
Daniel Palmer
bef7a78da7 clk: mstar: MStar/SigmaStar MPLL driver 
This adds a basic driver for the MPLL block found in MStar/SigmaStar
ARMv7 SoCs.

Currently this driver is only good for calculating the rates of it's
outputs and the actual configuration must be done before the kernel
boots. Usually this is done even before u-boot starts.

This driver targets the MPLL block found in the MSC313/MSC313E but
there is no documentation this chip so the register descriptions for
the another MStar chip the MST786 were used as they seem to match.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Link: https://lore.kernel.org/r/20210211052206.2955988-5-daniel@0x0f.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2021-02-14 12:38:00 -08:00