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SubjectRe: [PATCH v2] arm64: dts: mt8183-kukui: add scp node
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On 09/09/2020 10:14, Pi-Hsun Shih wrote:
> Add scp node to mt8183-kukui
>
> Fixes: 0d5e41709f76 ("arm64: dts: mt8183: add scp node")
> Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
> ---
>
> Change since v1:
> * Add Fixes tag.
>
> ---
> .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 30 +++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> index f0a070535b34..85f7c33ba446 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> @@ -90,6 +90,18 @@ pp3300_alw: regulator6 {
> regulator-max-microvolt = <3300000>;
> };
>
> + reserved_memory: reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + scp_mem_reserved: scp_mem_region {
> + compatible = "shared-dma-pool";
> + reg = <0 0x50000000 0 0x2900000>;
> + no-map;
> + };
> + };
> +

Do we expect other boards to have a different memory reservation? I can see that
EVB and Kukui uses the same. If not, we should add the node in mt8183.dtsi instead.

Regards,
Matthias

> max98357a: codec0 {
> compatible = "maxim,max98357a";
> sdmode-gpios = <&pio 175 0>;
> @@ -524,6 +536,13 @@ pins_clk {
> };
> };
>
> + scp_pins: scp {
> + pins_scp_uart {
> + pinmux = <PINMUX_GPIO110__FUNC_TP_URXD1_AO>,
> + <PINMUX_GPIO112__FUNC_TP_UTXD1_AO>;
> + };
> + };
> +
> spi0_pins: spi0 {
> pins_spi{
> pinmux = <PINMUX_GPIO85__FUNC_SPI0_MI>,
> @@ -651,6 +670,17 @@ pins_wifi_wakeup {
> };
> };
>
> +&scp {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&scp_pins>;
> +
> + cros_ec {
> + compatible = "google,cros-ec-rpmsg";
> + mtk,rpmsg-name = "cros-ec-rpmsg";
> + };
> +};
> +
> &soc_data {
> status = "okay";
> };
>

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