[PATCH v7] ARM: dts: Add HS400 support for exynos5420 and exynos5800

[Kukjin Kim]

Alim Akhtar wrote:
> 
> Gentle Ping !!
> 
Thanks ;-)
> 
> On Wed, Mar 18, 2015 at 4:50 PM, Alim Akhtar <alim.akhtar at samsung.com> wrote:
> > From: Seungwon Jeon <tgih.jun at samsung.com>
> >
> > HS400 timing values are added for SMDK5420, exynos5420-peach-pit
> > and exynos5800-peach-pi boards.
> > This also adds RCLK GPIO line, this gpio should be in pull-down
> > state.
> > This also enables HS400 on peach-pi and this updates the clock frequency
> > to 800MHz to be set as input clock to controller.
> >
> > Signed-off-by: Seungwon Jeon <tgih.jun at samsung.com>
> > Signed-off-by: Alim Akhtar <alim.akhtar at samsung.com>
> > [Alim: addressed review comments]
> > Acked-by: Jaehoon Chung <jh80.chung at samsung.com>
> > ---
> > Changes in V7:
> >          Add back bus1 pin, which was removed during rebase in v6
> >          as rightly pointed out by Javier[1].
> >
> > Changes in V6:
> >         Rebased on kukjin's for-next branch[0]
> >         (commit: 77105c8 Merge branch 'v4.0-samsung-fixes-2' into for-next)
> >
> > [0]: git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git
> > [1]: http://www.spinics.net/lists/arm-kernel/msg406618.html
> >
> >  arch/arm/boot/dts/exynos5420-peach-pit.dts | 4 +++-
> >  arch/arm/boot/dts/exynos5420-pinctrl.dtsi  | 7 +++++++
> >  arch/arm/boot/dts/exynos5420-smdk5420.dts  | 5 ++++-
> >  arch/arm/boot/dts/exynos5800-peach-pi.dts  | 7 +++++--
> >  4 files changed, 19 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> > index 3f4e2fe..0788d08 100644
> > --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
> > +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> > @@ -699,8 +699,10 @@
> >         samsung,dw-mshc-ciu-div = <3>;
> >         samsung,dw-mshc-sdr-timing = <0 4>;
> >         samsung,dw-mshc-ddr-timing = <0 2>;
> > +       samsung,dw-mshc-hs400-timing = <0 2>;
> > +       samsung,read-strobe-delay = <90>;
> >         pinctrl-names = "default";
> > -       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
> > +       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_rclk>;
> >         bus-width = <8>;
> >  };
> >
> > diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
> > index ba686e4..8b15316 100644
> > --- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
> > +++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
> > @@ -201,6 +201,13 @@
> >                         samsung,pin-drv = <3>;
> >                 };
> >
> > +               sd0_rclk: sd0-rclk {
> > +                       samsung,pins = "gpc0-7";
> > +                       samsung,pin-function = <2>;
> > +                       samsung,pin-pud = <1>;
> > +                       samsung,pin-drv = <3>;
> > +               };
> > +
> >                 sd1_cmd: sd1-cmd {
> >                         samsung,pins = "gpc1-1";
> >                         samsung,pin-function = <2>;
> > diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> > index 7a56852..9103f23 100644
> > --- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> > +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> > @@ -80,8 +80,11 @@
> >                 samsung,dw-mshc-ciu-div = <3>;
> >                 samsung,dw-mshc-sdr-timing = <0 4>;
> >                 samsung,dw-mshc-ddr-timing = <0 2>;
> > +               samsung,dw-mshc-hs400-timing = <0 2>;
> > +               samsung,read-strobe-delay = <90>;
> >                 pinctrl-names = "default";
> > -               pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
> > +               pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8
> > +                            &sd0_rclk>;
> >                 bus-width = <8>;
> >                 cap-mmc-highspeed;
> >         };
> > diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> > index c833bac..412f41d 100644
> > --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> > +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> > @@ -654,15 +654,18 @@
> >         num-slots = <1>;
> >         broken-cd;
> >         mmc-hs200-1_8v;
> > +       mmc-hs400-1_8v;
> >         cap-mmc-highspeed;
> >         non-removable;
> >         card-detect-delay = <200>;
> > -       clock-frequency = <400000000>;
> > +       clock-frequency = <800000000>;
> >         samsung,dw-mshc-ciu-div = <3>;
> >         samsung,dw-mshc-sdr-timing = <0 4>;
> >         samsung,dw-mshc-ddr-timing = <0 2>;
> > +       samsung,dw-mshc-hs400-timing = <0 2>;
> > +       samsung,read-strobe-delay = <90>;
> >         pinctrl-names = "default";
> > -       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
> > +       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_rclk>;
> >         bus-width = <8>;
> >  };
> >
> > --

Applied.

- Kukjin