Hi Philipp,
On Tue, 2016-01-05 at 10:30 +0100, Philipp Zabel wrote:
> Hi James,
>
> Am Dienstag, den 05.01.2016, 14:30 +0800 schrieb James Liao:
> > From: Shunli Wang <shunli.w...@mediatek.com>
> >
> > Add MT2701 clock support, include topckgen, apmixedsys,
> > infracfg, pericfg and subsystem clocks.
> >
> > Signed-off-by: Shunli Wang <shunli.w...@mediatek.com>
> > Signed-off-by: James Liao <jamesjj.l...@mediatek.com>
> > ---
> > drivers/clk/mediatek/Kconfig | 8 +
> > drivers/clk/mediatek/Makefile | 1 +
> > drivers/clk/mediatek/clk-gate.c | 56 ++
> > drivers/clk/mediatek/clk-gate.h | 2 +
> > drivers/clk/mediatek/clk-mt2701.c | 1210
> > +++++++++++++++++++++++++++++++++++++
> > drivers/clk/mediatek/clk-mtk.c | 25 +
> > drivers/clk/mediatek/clk-mtk.h | 35 +-
> > 7 files changed, 1334 insertions(+), 3 deletions(-)
> > create mode 100644 drivers/clk/mediatek/clk-mt2701.c
> >
> > diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
> > index dc224e6..6c7cdc0 100644
> > --- a/drivers/clk/mediatek/Kconfig
> > +++ b/drivers/clk/mediatek/Kconfig
> > @@ -6,6 +6,14 @@ config COMMON_CLK_MEDIATEK
> > ---help---
> > Mediatek SoCs' clock support.
> >
> > +config COMMON_CLK_MT2701
> > + bool "Clock driver for Mediatek MT2701 and MT7623"
> > + depends on COMMON_CLK
> > + select COMMON_CLK_MEDIATEK
> > + default ARCH_MEDIATEK
> > + ---help---
> > + This driver supports Mediatek MT2701 and MT7623 clocks.
> > +
> > config COMMON_CLK_MT8135
> > bool "Clock driver for Mediatek MT8135"
> > depends on COMMON_CLK
> > diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
> > index 32e7222..5b2b91b 100644
> > --- a/drivers/clk/mediatek/Makefile
> > +++ b/drivers/clk/mediatek/Makefile
> > @@ -1,4 +1,5 @@
> > obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o
> > clk-apmixed.o
> > obj-$(CONFIG_RESET_CONTROLLER) += reset.o
> > +obj-$(CONFIG_COMMON_CLK_MT2701) += clk-mt2701.o
> > obj-$(CONFIG_COMMON_CLK_MT8135) += clk-mt8135.o
> > obj-$(CONFIG_COMMON_CLK_MT8173) += clk-mt8173.o
> > diff --git a/drivers/clk/mediatek/clk-gate.c
> > b/drivers/clk/mediatek/clk-gate.c
> > index 576bdb7..38badb4 100644
> > --- a/drivers/clk/mediatek/clk-gate.c
> > +++ b/drivers/clk/mediatek/clk-gate.c
> > @@ -61,6 +61,26 @@ static void mtk_cg_clr_bit(struct clk_hw *hw)
> > regmap_write(cg->regmap, cg->clr_ofs, BIT(cg->bit));
> > }
> >
> > +static void mtk_cg_set_bit_no_setclr(struct clk_hw *hw)
> > +{
> > + struct mtk_clk_gate *cg = to_clk_gate(hw);
> > + u32 val;
> > +
> > + regmap_read(cg->regmap, cg->sta_ofs, &val);
> > + val |= BIT(cg->bit);
> > + regmap_write(cg->regmap, cg->sta_ofs, val);
>
> You can use regmap_update_bits here:
>
> u32 bit = BIT(cg->bit);
> regmap_update_bits(cg->regmap, cg->sta_ofs, bit, bit);
>
> > +}
> > +
> > +static void mtk_cg_clr_bit_no_setclr(struct clk_hw *hw)
> > +{
> > + struct mtk_clk_gate *cg = to_clk_gate(hw);
> > + u32 val;
> > +
> > + regmap_read(cg->regmap, cg->sta_ofs, &val);
> > + val &= ~(BIT(cg->bit));
> > + regmap_write(cg->regmap, cg->sta_ofs, val);
>
> and here:
>
> u32 bit = BIT(cg->bit);
> regmap_update_bits(cg->regmap, cg->sta_ofs, bit, 0);
OK. I'll change it in next patch. Thanks.
Best regards,
James
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