On Thu, Oct 17, 2024 at 05:43:25PM +0100, Umer Uddin wrote:
> Add initial support for the Samsung Galaxy S20 Series (hubble) phones.
> They were launched in 2020, and are based on the Exynos 990 SoC.
> The devices have multiple RAM configurations,
> starting from 8GB going all the way up to 16GB for the S20 Ultra devices.
>
> This device tree adds support for the following:
>
> - SimpleFB
> - 8GB RAM (Any more will be mapped in device trees)
> - Buttons
>
> Signed-off-by: Umer Uddin <umer.uddin@xxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
> .../dts/exynos/exynos990-hubble-common.dtsi | 109 ++++++++++++++++++
> 1 file changed, 109 insertions(+)
> create mode 100644 arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi b/arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi
> new file mode 100644
> index 000000000..2c634e4bb
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi
> @@ -0,0 +1,109 @@
> +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
> +/*
> + * Samsung Galaxy S20 Series device tree source
> + *
> + * Copyright (c) 2024, Umer Uddin <umer.uddin@xxxxxxxxxxxxxxxxxxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +#include "exynos990.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> + chosen {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + framebuffer0: framebuffer@f1000000 {
> + compatible = "simple-framebuffer";
> + reg = <0 0xf1000000 0 (1440 * 3200 * 4)>;
> + width = <1440>;
> + height = <3200>;
> + stride = <(1440 * 4)>;
> + format = "a8r8g8b8";
> + };
> + };
> +
> + memory@80000000 {
> + device_type = "memory";
> + reg = <0x0 0x80000000 0x0 0x3ab00000>,
> + /* Memory hole */
> + <0x0 0xc1200000 0x0 0x1ee00000>,
> + /* Memory hole */
> + <0x0 0xe1900000 0x0 0x1e700000>,
> + /* Memory hole */
> + <0x8 0x80000000 0x1 0x7ec00000>;
If I am counting correctly, that's only 8 GB, not 12.
Best regards,
Krzysztof
