[PATCH v15 2/2] clk: nuvoton: Add clock driver for ma35d1 clock controller

Arnd Bergmann arnd at arndb.de
Mon Jun 19 01:12:56 PDT 2023


On Mon, Jun 19, 2023, at 05:30, Jacky Huang wrote:
> From: Jacky Huang <ychuang3 at nuvoton.com>
>
> The clock controller generates clocks for the whole chip, including
> system clocks and all peripheral clocks. This driver support ma35d1
> clock gating, divider, and individual PLL configuration.
>
> There are 6 PLLs in ma35d1 SoC:
>   - CA-PLL for the two Cortex-A35 CPU clock
>   - SYS-PLL for system bus, which comes from the companion MCU
>     and cannot be programmed by clock controller.
>   - DDR-PLL for DDR
>   - EPLL for GMAC and GFX, Display, and VDEC IPs.
>   - VPLL for video output pixel clock
>   - APLL for SDHC, I2S audio, and other IPs.
> CA-PLL has only one operation mode.
> DDR-PLL, EPLL, VPLL, and APLL are advanced PLLs which have 3
> operation modes: integer mode, fraction mode, and spread specturm mode.
>
> Signed-off-by: Jacky Huang <ychuang3 at nuvoton.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Hi Jacky,

Since I have already picked up the previous version of this patch,
please send a diff against the version I merged please.

     Arnd



More information about the linux-arm-kernel mailing list