arm64: dts: mt8183: add scp node

Add scp node to mt8183 and mt8183-evb

Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Link: https://lore.kernel.org/r/20191112110330.179649-5-pihsun@chromium.org
Link: https://lore.kernel.org/r/20200909081422.2412795-1-pihsun@chromium.org
[mb: squashed both patches]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index ae405bd..cba2d89 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -25,6 +25,17 @@
        chosen {
                stdout-path = "serial0:921600n8";
        };
+
+       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;
+               };
+       };
 };
 
 &auxadc {

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index f0a0705..85f7c33 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -90,6 +90,18 @@
                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;
+               };
+       };
+
        max98357a: codec0 {
                compatible = "maxim,max98357a";
                sdmode-gpios = <&pio 175 0>;
@@ -524,6 +536,13 @@
                };
        };
 
+       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 @@
        };
 };
 
+&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";
 };

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 1021058..f9b60e3 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -339,6 +339,18 @@
                        clock-names = "spi", "wrap";
                };
 
+               scp: scp@10500000 {
+                       compatible = "mediatek,mt8183-scp";
+                       reg = <0 0x10500000 0 0x80000>,
+                             <0 0x105c0000 0 0x19080>;
+                       reg-names = "sram", "cfg";
+                       interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&infracfg CLK_INFRA_SCPSYS>;
+                       clock-names = "main";
+                       memory-region = <&scp_mem_reserved>;
+                       status = "disabled";
+               };
+
                systimer: timer@10017000 {
                        compatible = "mediatek,mt8183-timer",
                                     "mediatek,mt6765-timer";