On Mon, 2024-08-19 at 14:24 +0900, Sunyeal Hong wrote:
> This adds support for CMU_TOP which generates clocks for all the
> function blocks such as CORE, HSI0/1/2, PERIC0/1 and so on. For
> CMU_TOP, PLL_SHARED0,1,2,3,4 and 5 will be the sources of this block
> and they will generate bus clocks.
>
> Signed-off-by: Sunyeal Hong <sunyeal.hong@xxxxxxxxxxx>
> ---
> drivers/clk/samsung/Makefile | 1 +
> drivers/clk/samsung/clk-exynosautov920.c | 1173 ++++++++++++++++++++++
> 2 files changed, 1174 insertions(+)
> create mode 100644 drivers/clk/samsung/clk-exynosautov920.c
>
> diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile
> index 3056944a5a54..f1ba48758c78 100644
> --- a/drivers/clk/samsung/Makefile
> +++ b/drivers/clk/samsung/Makefile
> @@ -21,6 +21,7 @@ obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos7.o
> obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos7885.o
> obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos850.o
> obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynosautov9.o
> +obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynosautov920.o
> obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-gs101.o
> obj-$(CONFIG_S3C64XX_COMMON_CLK) += clk-s3c64xx.o
> obj-$(CONFIG_S5PV210_COMMON_CLK) += clk-s5pv210.o clk-s5pv210-audss.o
> diff --git a/drivers/clk/samsung/clk-exynosautov920.c b/drivers/clk/samsung/clk-exynosautov920.c
> new file mode 100644
> index 000000000000..c17d25e3c9a0
> --- /dev/null
> +++ b/drivers/clk/samsung/clk-exynosautov920.c
[snip]
> +};
> +
> +static const struct samsung_cmu_info peric0_cmu_info __initconst = {
> + .mux_clks = peric0_mux_clks,
> + .nr_mux_clks = ARRAY_SIZE(peric0_mux_clks),
> + .div_clks = peric0_div_clks,
> + .nr_div_clks = ARRAY_SIZE(peric0_div_clks),
> + .nr_clk_ids = CLKS_NR_PERIC0,
> + .clk_regs = peric0_clk_regs,
> + .nr_clk_regs = ARRAY_SIZE(peric0_clk_regs),
> + .clk_name = "dout_clkcmu_peric0_noc",
same question.
Isn't it "noc"?
https://lore.kernel.org/linux-samsung-soc/58dfae564a4a624e464c7803a309f1f07b5ae83d.camel@xxxxxxxxxxx/
In my case(autov9), if put wrong clk_name dmesg will show that,
exynos_arm64_register_cmu: could not enable bus clock ...; err = -2
Kwang.
