linux-kernel - Re: [PATCH 5/6] ARM: dts: s5pv210: aries: Support for more devices present on Aries

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Date:   Tue, 08 Jan 2019 17:53:09 +0100
From:   Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     kgene@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, xc-racer2@...e.ca,
        linux-arm-kernel@...ts.infradead.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] ARM: dts: s5pv210: aries: Support for more devices present on Aries

Dnia poniedziałek, 31 grudnia 2018 14:35:55 CET Krzysztof Kozlowski pisze:
> On Fri, 28 Dec 2018 at 17:18, Paweł Chmiel
> <pawel.mikolaj.chmiel@...il.com> wrote:
> >
> > From: Jonathan Bakker <xc-racer2@...e.ca>
> >
> > This commit enables following devices present on Aries based phones:
> > - pwm-vibrator attached to PWM 1
> > - poweroff support
> > - Atmel maXTouch touchscreen. It's connected to i2c2
> > - Broadcom BCM4329 bluetooth over uart0
> >
> > Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
> > Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
> > ---
> >  arch/arm/boot/dts/s5pv210-aries.dtsi | 68 ++++++++++++++++++++++++++++
> >  1 file changed, 68 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
> > index 35ba009a1a33..b7246f879648 100644
> > --- a/arch/arm/boot/dts/s5pv210-aries.dtsi
> > +++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
> > @@ -41,6 +41,13 @@
> >                 };
> >         };
> >
> > +       vibrator_pwr: regulator-fixed-0 {
> > +               compatible = "regulator-fixed";
> > +               regulator-name = "vibrator-en";
> > +               enable-active-high;
> > +               gpio = <&gpj1 1 GPIO_ACTIVE_HIGH>;
> > +       };
> > +
> >         wifi_pwrseq: wifi-pwrseq {
> >                 compatible = "mmc-pwrseq-simple";
> >                 reset-gpios = <&gpg1 2 GPIO_ACTIVE_LOW>;
> > @@ -314,6 +321,22 @@
> >                         reg = <0x36>;
> >                 };
> >         };
> > +
> > +       vibrator: pwm-vibrator {
> > +               compatible = "pwm-vibrator";
> > +               pwms = <&pwm 1 44642 0>;
> > +               pwm-names = "enable";
> > +               vcc-supply = <&vibrator_pwr>;
> > +               pinctrl-names = "default";
> > +               pinctrl-0 = <&pwm1_out>;
> > +       };
> > +
> > +       poweroff: syscon-poweroff {
> > +               compatible = "syscon-poweroff";
> > +               regmap = <&pmu_syscon>;
> > +               offset = <0x681c>; /* PS_HOLD_CONTROL */
> > +               value = <0x5200>;
> > +       };
> >  };
> >
> >  &fimd {
> > @@ -347,6 +370,23 @@
> >         status = "okay";
> >  };
> >
> > +&i2c2 {
> > +       samsung,i2c-sda-delay = <100>;
> > +       samsung,i2c-max-bus-freq = <400000>;
> > +       samsung,i2c-slave-addr = <0x10>;
> > +       status = "okay";
> > +
> > +       touchscreen@4a {
> > +               compatible = "atmel,maxtouch";
> > +               reg = <0x4a>;
> > +               interrupt-parent = <&gpj0>;
> > +               interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
> > +               pinctrl-names = "default";
> > +               pinctrl-0 = <&ts_irq>;
> > +               reset-gpios = <&gpj1 3 GPIO_ACTIVE_HIGH>;
> > +       };
> > +};
> > +
> >  &mfc {
> >         memory-region = <&mfc_left>, <&mfc_right>;
> >  };
> > @@ -372,6 +412,13 @@
> >                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> >         };
> >
> > +       bt_host_wake: bt-host-wake {
> > +               samsung,pins = "gph2-5";
> > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
> > +               samsung,pin-pud = <S3C64XX_PIN_PULL_DOWN>;
> > +               samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> > +       };
> > +
> >         tf_detect: tf-detect {
> >                 samsung,pins = "gph3-4";
> >                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
> > @@ -384,6 +431,17 @@
> >                 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> >                 samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
> >         };
> > +
> > +       ts_irq: ts-irq {
> > +               samsung,pins = "gpj0-5";
> > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
> > +               samsung,pin-pud = <S3C64XX_PIN_PULL_UP>;
> 
> It seems there is a difference here between Aries and Fascinate. At
> least in vendor kernel. One disables pull and second pulls down.
> Anyway neither of them pulls it up.
Fixed with all other issues in v2.
Thanks

> 
> Best regards,
> Krzysztof