On 4/27/26 9:34 PM, Alexandre MINETTE via B4 Relay wrote:
> From: Alexandre MINETTE <[email protected]>
>
> Add a device tree for the Samsung Galaxy S4, codenamed jflte.
>
> This has been tested on a Samsung Galaxy S4 GT-I9505. The initial support
> covers UART, USB peripheral mode with USB networking, the front LED and
> the physical buttons.
>
> Signed-off-by: Alexandre MINETTE <[email protected]>
> ---
> arch/arm/boot/dts/qcom/Makefile | 1 +
> .../boot/dts/qcom/qcom-apq8064-samsung-jflte.dts | 485
> +++++++++++++++++++++
> 2 files changed, 486 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile
> index 32a44b02d2fa..c23c961f79e3 100644
> --- a/arch/arm/boot/dts/qcom/Makefile
> +++ b/arch/arm/boot/dts/qcom/Makefile
> @@ -12,6 +12,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
> qcom-apq8064-ifc6410.dtb \
> qcom-apq8064-sony-xperia-lagan-yuga.dtb \
> qcom-apq8064-asus-nexus7-flo.dtb \
> + qcom-apq8064-samsung-jflte.dtb \
> qcom-apq8064-lg-nexus4-mako.dtb \
'l'g < 's'amsung
[...]
> + i2c-led {
> + compatible = "i2c-gpio";
> + sda-gpios = <&tlmm_pinmux 6 (GPIO_ACTIVE_HIGH |
> GPIO_OPEN_DRAIN)>;
> + scl-gpios = <&tlmm_pinmux 7 (GPIO_ACTIVE_HIGH |
> GPIO_OPEN_DRAIN)>;
Have you tried setting up the I2C-GPIO busses as GSBI devices, like
I think I suggested the last time? This will potentially bring power
and latency benefits, since there's an actual bus controller
connected to these pins
Konrad
