[U-Boot] [i.MX8MM+CCF 13/41] clk: imx: import clk heplers

Lukasz Majewski
2019-05-06T22:17:44Z

On Tue, 30 Apr 2019 10:18:15 +0000
Peng Fan <peng.fan@nxp.com> wrote:

> Import some clk helpers from Linux Kernel for i.MX8MM usage
>

Please globally provide SHA1 and tag of ported code from Linux kernel.

> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> drivers/clk/imx/clk.h | 81
> +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed,
> 81 insertions(+)
>
> diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
> index 864a215a22..aa6e81ff13 100644
> --- a/drivers/clk/imx/clk.h
> +++ b/drivers/clk/imx/clk.h
> @@ -42,6 +42,23 @@ static inline struct clk *imx_clk_gate2(const char
> *name, const char *parent, shift, 0x3, 0);
> }
>
> +static inline struct clk *imx_clk_gate4(const char *name, const char
> *parent,
> + void __iomem *reg, u8 shift)
> +{
> + return clk_register_gate2(NULL, name, parent,
> + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
> + reg, shift, 0x3, 0);
> +}
> +
> +static inline struct clk *imx_clk_gate4_flags(const char *name,
> + const char *parent, void __iomem *reg, u8 shift,
> + unsigned long flags)
> +{
> + return clk_register_gate2(NULL, name, parent,
> + flags | CLK_SET_RATE_PARENT |
> CLK_OPS_PARENT_ENABLE,
> + reg, shift, 0x3, 0);
> +}
> +
> static inline struct clk *imx_clk_fixed_factor(const char *name,
> const char *parent, unsigned int mult, unsigned int
> div) {
> @@ -56,6 +73,14 @@ static inline struct clk *imx_clk_divider(const
> char *name, const char *parent, reg, shift, width, 0);
> }
>
> +static inline struct clk *imx_clk_divider2(const char *name, const
> char *parent,
> + void __iomem *reg, u8 shift, u8 width)
> +{
> + return clk_register_divider(NULL, name, parent,
> + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
> + reg, shift, width, 0);
> +}
> +
> struct clk *imx_clk_pfd(const char *name, const char *parent_name,
> void __iomem *reg, u8 idx);
>
> @@ -63,6 +88,16 @@ struct clk *imx_clk_fixup_mux(const char *name,
> void __iomem *reg, u8 shift, u8 width, const char * const *parents,
> int num_parents, void (*fixup)(u32
> *val));
> +static inline struct clk *imx_clk_mux_flags(const char *name,
> + void __iomem *reg, u8 shift, u8 width,
> + const char * const *parents, int num_parents,
> + unsigned long flags)
> +{
> + return clk_register_mux(NULL, name, parents, num_parents,
> + flags | CLK_SET_RATE_NO_REPARENT,
> reg, shift,
> + width, 0);
> +}
> +
> static inline struct clk *imx_clk_mux(const char *name, void __iomem
> *reg, u8 shift, u8 width, const char * const *parents,
> int num_parents)
> @@ -72,4 +107,50 @@ static inline struct clk *imx_clk_mux(const char
> *name, void __iomem *reg, width, 0);
> }
>
> +static inline struct clk *imx_clk_mux2(const char *name, void
> __iomem *reg,
> + u8 shift, u8 width, const char * const
> *parents,
> + int num_parents)
> +{
> + return clk_register_mux(NULL, name, parents, num_parents,
> + CLK_SET_RATE_NO_REPARENT |
> CLK_OPS_PARENT_ENABLE,
> + reg, shift, width, 0);
> +}
> +
> +static inline struct clk *imx_clk_gate(const char *name, const char
> *parent,
> + void __iomem *reg, u8 shift)
> +{
> + return clk_register_gate(NULL, name, parent,
> CLK_SET_RATE_PARENT, reg,
> + shift, 0, NULL);
> +}
> +
> +static inline struct clk *imx_clk_gate_flags(const char *name, const
> char *parent,
> + void __iomem *reg, u8 shift, unsigned long flags)
> +{
> + return clk_register_gate(NULL, name, parent, flags |
> CLK_SET_RATE_PARENT, reg,
> + shift, 0, NULL);
> +}
> +
> +static inline struct clk *imx_clk_gate3(const char *name, const char
> *parent,
> + void __iomem *reg, u8 shift)
> +{
> + return clk_register_gate(NULL, name, parent,
> + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
> + reg, shift, 0, NULL);
> +}
> +
> +struct clk *imx8m_clk_composite_flags(const char *name,
> + const char * const *parent_names,
> + int num_parents, void __iomem *reg, unsigned long
> flags); +
> +#define __imx8m_clk_composite(name, parent_names, reg, flags) \
> + imx8m_clk_composite_flags(name, parent_names, \
> + ARRAY_SIZE(parent_names), reg, \
> + flags | CLK_SET_RATE_NO_REPARENT |
> CLK_OPS_PARENT_ENABLE) +
> +#define imx8m_clk_composite(name, parent_names, reg) \
> + __imx8m_clk_composite(name, parent_names, reg, 0)
> +
> +#define imx8m_clk_composite_critical(name, parent_names, reg) \
> + __imx8m_clk_composite(name, parent_names, reg,
> CLK_IS_CRITICAL) +
> #endif /* __MACH_IMX_CLK_H */

Best regards,

Lukasz Majewski

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