[PATCH 07/12] soc: xilinx: vcu: register PLL as fixed rate clock

Michal Simek michal.simek at xilinx.com
Wed Dec 2 09:41:28 EST 2020



On 16. 11. 20 8:55, Michael Tretter wrote:
> Currently, xvcu_pll_set_rate configures the PLL to a clock rate that is
> pre-calculated when probing the driver. To still make the clock
> framework aware of the PLL and to allow to configure other clocks based
> on the PLL rate, register the PLL as a fixed rate clock.
> 
> Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>
> ---
>  drivers/soc/xilinx/Kconfig    |  2 +-
>  drivers/soc/xilinx/xlnx_vcu.c | 17 ++++++++++++++++-
>  2 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soc/xilinx/Kconfig b/drivers/soc/xilinx/Kconfig
> index 0b1708dae361..9fe703772e5a 100644
> --- a/drivers/soc/xilinx/Kconfig
> +++ b/drivers/soc/xilinx/Kconfig
> @@ -3,7 +3,7 @@ menu "Xilinx SoC drivers"
>  
>  config XILINX_VCU
>  	tristate "Xilinx VCU logicoreIP Init"
> -	depends on HAS_IOMEM
> +	depends on HAS_IOMEM && COMMON_CLK
>  	select REGMAP_MMIO
>  	help
>  	  Provides the driver to enable and disable the isolation between the
> diff --git a/drivers/soc/xilinx/xlnx_vcu.c b/drivers/soc/xilinx/xlnx_vcu.c
> index 34f3299afc0d..725e646aa726 100644
> --- a/drivers/soc/xilinx/xlnx_vcu.c
> +++ b/drivers/soc/xilinx/xlnx_vcu.c
> @@ -7,6 +7,7 @@
>   * Contacts   Dhaval Shah <dshah at xilinx.com>
>   */
>  #include <linux/clk.h>
> +#include <linux/clk-provider.h>
>  #include <linux/device.h>
>  #include <linux/errno.h>
>  #include <linux/io.h>
> @@ -80,6 +81,7 @@ struct xvcu_device {
>  	struct clk *aclk;
>  	struct regmap *logicore_reg_ba;
>  	void __iomem *vcu_slcr_ba;
> +	struct clk_hw *pll;

this is introducing kernel-doc warning. Please describe it there.

M



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