diff options
| author | Nícolas F. R. A. Prado <nfraprado@collabora.com> | 2022-06-29 18:59:55 +0300 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2022-07-07 17:39:18 +0300 |
| commit | b10e80b173b608a36b2d799272884c87c054530e (patch) | |
| tree | 8a4ccd49d3f1e47404941b192baa78fe88184c35 | |
| parent | 15306b9062f8d30e68dd4cd709b33e258164e22c (diff) | |
| download | linux-b10e80b173b608a36b2d799272884c87c054530e.tar.xz | |
arm64: dts: mediatek: asurada: Enable SCP
Enable support for the SCP co-processor present on MT8192. It is used
as part of the video encoding and decoding processes.
A region of memory is carved out for its use, and remoteproc setup for
communication with the ChromeOS EC.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-19-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index 7b89f6e552c5..a5625b3cb317 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -105,6 +105,12 @@ #size-cells = <2>; ranges; + scp_mem_reserved: scp@50000000 { + compatible = "shared-dma-pool"; + reg = <0 0x50000000 0 0x2900000>; + no-map; + }; + wifi_restricted_dma_region: wifi@c0000000 { compatible = "restricted-dma-pool"; reg = <0 0xc0000000 0 0x4000000>; @@ -680,6 +686,12 @@ }; }; + scp_pins: scp-pins { + pins-vreq-vao { + pinmux = <PINMUX_GPIO195__FUNC_SCP_VREQ_VAO>; + }; + }; + spi1_pins: spi1-default-pins { pins-cs-mosi-clk { pinmux = <PINMUX_GPIO157__FUNC_SPI1_A_CSB>, @@ -735,6 +747,20 @@ interrupts-extended = <&pio 214 IRQ_TYPE_LEVEL_HIGH>; }; +&scp { + status = "okay"; + + firmware-name = "mediatek/mt8192/scp.img"; + memory-region = <&scp_mem_reserved>; + pinctrl-names = "default"; + pinctrl-0 = <&scp_pins>; + + cros-ec { + compatible = "google,cros-ec-rpmsg"; + mediatek,rpmsg-name = "cros-ec-rpmsg"; + }; +}; + &spi1 { status = "okay"; |