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

From: Krzysztof Kozlowski
Date: Mon Dec 31 2018 - 08:36:21 EST


On Fri, 28 Dec 2018 at 17:18, PaweÅ Chmiel
<pawel.mikolaj.chmiel@xxxxxxxxx> wrote:
>
> From: Jonathan Bakker <xc-racer2@xxxxxxx>
>
> 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@xxxxxxx>
> Signed-off-by: PaweÅ Chmiel <pawel.mikolaj.chmiel@xxxxxxxxx>
> ---
> 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.

Best regards,
Krzysztof