Add the clk-measurer clocks IDs for the Amlogic S4 SoC family.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
Link: https://lore.kernel.org/r/20250415-clk-measure-v3-5-9b8551dd33b4@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Add the clk-measurer clocks IDs for the Amlogic C3 SoC family.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
Link: https://lore.kernel.org/r/20250415-clk-measure-v3-4-9b8551dd33b4@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Since the MSR_CLK register offset differs between chip variants, we
replace the macro-based definition with chip-specific assignments.
Change the max_register in regmap_config to be retrieved from DTS.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
Link: https://lore.kernel.org/r/20250415-clk-measure-v3-1-9b8551dd33b4@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Drop "CLK_MSR_MAX" and replace it with adding a member "msr_count" in
the structure to specify the count of msr_id.
Mark the table of msr_id as const.
Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250205-optimize_memory_size_of_clk_measure-v2-1-4f546053495d@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/imx/soc-imx8m.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/ixp4xx/ixp4xx-qmgr.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/ixp4xx/ixp4xx-npe.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/mediatek/mtk-cmdq-helper.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/amlogic/meson-clk-measure.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> # for amlogic/meson-clk-measure.c
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240625-md-drivers-soc-v2-1-8bc7c03e3e69@quicinc.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210908071544.603-2-caihuoqing@baidu.com
There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210409110243.41-1-linqiheng@huawei.com
Add the clk-measurer clocks IDs for the Amlogic SM1 SoC family.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the G12B second CPU cluster CPU and SYS_PLL measure IDs.
These IDs returns 0Hz on G12A.
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
In order to protect clock measuring when multiple process asks for
a measure, protect the main measure function with mutexes.
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add support for the axg and g12a SoC family in amlogic clk measure
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
[khilman: squashed some fixups from Martin]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The Amlogic Meson SoCs embeds a clock measurer IP to measure the internal
clock paths frequencies.
The precision is determined by stepping into the duration until the counter
overflows.
The debugfs slows a pretty summary and each clock can be measured
individually aswell.
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
