> Subject: [PATCH V2 2/5] clk: imx: Add support for i.MX8M hw based clk > provider > > Add hw based provider support for i.MX8M composite clk, pll14xx clk and > other gate/mux clk APIs, so that new added i.MX8M SoCs can use hw based > clk provider. i.MX8M hw composite clk has been in shawn's tree, https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git/ commit/?h=for-next&id=a4b431f8038a67222fde888a48bcbd704d2daca0 You might be using an old base? Regards, Peng. > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > --- > New patch. > --- > drivers/clk/imx/clk-composite-8m.c | 4 ++-- > drivers/clk/imx/clk-pll14xx.c | 18 +++++++++------- > drivers/clk/imx/clk.h | 42 > +++++++++++++++++++++++++++++++++----- > 3 files changed, 50 insertions(+), 14 deletions(-) > > diff --git a/drivers/clk/imx/clk-composite-8m.c > b/drivers/clk/imx/clk-composite-8m.c > index d3486ee..20f7c91 100644 > --- a/drivers/clk/imx/clk-composite-8m.c > +++ b/drivers/clk/imx/clk-composite-8m.c > @@ -123,7 +123,7 @@ static const struct clk_ops > imx8m_clk_composite_divider_ops = { > .set_rate = imx8m_clk_composite_divider_set_rate, > }; > > -struct clk *imx8m_clk_composite_flags(const char *name, > +struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, > const char * const *parent_names, > int num_parents, void __iomem *reg, > unsigned long flags) > @@ -171,7 +171,7 @@ struct clk *imx8m_clk_composite_flags(const char > *name, > if (IS_ERR(hw)) > goto fail; > > - return hw->clk; > + return hw; > > fail: > kfree(gate); > diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index > e238427..db12fb6 100644 > --- a/drivers/clk/imx/clk-pll14xx.c > +++ b/drivers/clk/imx/clk-pll14xx.c > @@ -376,14 +376,15 @@ static const struct clk_ops clk_pll1443x_ops = { > .set_rate = clk_pll1443x_set_rate, > }; > > -struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, > +struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char > +*parent_name, > void __iomem *base, > const struct imx_pll14xx_clk *pll_clk) { > struct clk_pll14xx *pll; > - struct clk *clk; > + struct clk_hw *hw; > struct clk_init_data init; > u32 val; > + int ret; > > pll = kzalloc(sizeof(*pll), GFP_KERNEL); > if (!pll) > @@ -415,16 +416,19 @@ struct clk *imx_clk_pll14xx(const char *name, > const char *parent_name, > pll->rate_table = pll_clk->rate_table; > pll->rate_count = pll_clk->rate_count; > > + hw = &pll->hw; > + > val = readl_relaxed(pll->base + GNRL_CTL); > val &= ~BYPASS_MASK; > writel_relaxed(val, pll->base + GNRL_CTL); > > - clk = clk_register(NULL, &pll->hw); > - if (IS_ERR(clk)) { > - pr_err("%s: failed to register pll %s %lu\n", > - __func__, name, PTR_ERR(clk)); > + ret = clk_hw_register(NULL, hw); > + if (ret) { > + pr_err("%s: failed to register pll %s %d\n", > + __func__, name, ret); > kfree(pll); > + return ERR_PTR(ret); > } > > - return clk; > + return hw; > } > diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index > afc7947..90f9ab8 100644 > --- a/drivers/clk/imx/clk.h > +++ b/drivers/clk/imx/clk.h > @@ -123,8 +123,13 @@ extern struct imx_pll14xx_clk imx_1443x_dram_pll; > bypass1, bypass2, base, flags) \ > to_clk(imx_clk_hw_sscg_pll(name, parent_names, num_parents, > parent,\ > bypass1, bypass2, base, flags)) > +#define imx_clk_pll14xx(name, parent_name, base, pll_clk) \ > + to_clk(imx_clk_hw_pll14xx(name, parent_name, base, pll_clk)) > > -struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, > +#define imx8m_clk_composite_flags(name, parent_names, num_parents, > reg, flags) \ > + to_clk(imx8m_clk_hw_composite_flags(name, parent_names, > num_parents, > +reg, flags)) > + > +struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char > +*parent_name, > void __iomem *base, const struct imx_pll14xx_clk *pll_clk); > > struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char > *name, @@ -388,6 +393,14 @@ static inline struct clk > *imx_clk_gate4_flags(const char *name, > reg, shift, 0x3, 0, &imx_ccm_lock, NULL); } > > +static inline struct clk_hw *imx_clk_hw_gate4_flags(const char *name, const > char *parent, > + void __iomem *reg, u8 shift, unsigned long flags) { > + return clk_hw_register_gate2(NULL, name, parent, > + flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, > + reg, shift, 0x3, 0, &imx_ccm_lock, NULL); } > + > static inline struct clk_hw *imx_clk_hw_mux(const char *name, void > __iomem *reg, > u8 shift, u8 width, const char * const *parents, > int num_parents) > @@ -437,6 +450,15 @@ static inline struct clk *imx_clk_mux2_flags(const > char *name, > reg, shift, width, 0, &imx_ccm_lock); } > > +static inline struct clk_hw *imx_clk_hw_mux2_flags(const char *name, void > __iomem *reg, > + u8 shift, u8 width, const char * const *parents, > + int num_parents, unsigned long flags) { > + return clk_hw_register_mux(NULL, name, parents, num_parents, > + flags | CLK_SET_RATE_NO_REPARENT | > CLK_OPS_PARENT_ENABLE, > + reg, shift, width, 0, &imx_ccm_lock); } > + > static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name, > void __iomem *reg, u8 shift, > u8 width, > @@ -453,10 +475,9 @@ struct clk_hw *imx_clk_hw_cpu(const char *name, > const char *parent_name, > struct clk *div, struct clk *mux, struct clk *pll, > struct clk *step); > > -struct clk *imx8m_clk_composite_flags(const char *name, > - const char * const *parent_names, > - int num_parents, void __iomem *reg, > - unsigned long flags); > +struct clk_hw *imx8m_clk_hw_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, \ @@ -469,6 +490,17 > @@ struct clk *imx8m_clk_composite_flags(const char *name, #define > imx8m_clk_composite_critical(name, parent_names, reg) \ > __imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL) > > +#define __imx8m_clk_hw_composite(name, parent_names, reg, flags) \ > + imx8m_clk_hw_composite_flags(name, parent_names, \ > + ARRAY_SIZE(parent_names), reg, \ > + flags | CLK_SET_RATE_NO_REPARENT | > CLK_OPS_PARENT_ENABLE) > + > +#define imx8m_clk_hw_composite(name, parent_names, reg) \ > + __imx8m_clk_hw_composite(name, parent_names, reg, 0) > + > +#define imx8m_clk_hw_composite_critical(name, parent_names, reg) \ > + __imx8m_clk_hw_composite(name, parent_names, reg, > CLK_IS_CRITICAL) > + > struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char > *parent_name, > unsigned long flags, void __iomem *reg, u8 shift, u8 width, > u8 clk_divider_flags, const struct clk_div_table *table, > -- > 2.7.4
