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| author |   Shreeya Patel <shreeya.patel@collabora.com> | 2025-03-07 12:18:56 +0300 |
|---|---|---|
| committer |   Heiko Stuebner <heiko@sntech.de> | 2025-03-08 17:58:23 +0100 |
| commit | 0327238991ba2d1de25e1116b1c064f433e45b8d (patch) | |
| tree | e683f145704eec1cd74d15658500498b25b23cfd | |
| parent | arm64: dts: rockchip: Add rk3528 QoS register node (diff) | |
| download | wireguard-linux-0327238991ba2d1de25e1116b1c064f433e45b8d.tar.xz wireguard-linux-0327238991ba2d1de25e1116b1c064f433e45b8d.zip | |
arm64: dts: rockchip: Add device tree support for HDMI RX Controller
Add device tree support for Synopsys DesignWare HDMI RX
Controller.
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Co-developed-by: Dingxian Wen <shawn.wen@rock-chips.com>
Signed-off-by: Dingxian Wen <shawn.wen@rock-chips.com>
Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://lore.kernel.org/r/20250307091857.646581-2-dmitry.osipenko@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi index a4650137b08c..c964b842e0f1 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi @@ -23,6 +23,30 @@ }; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* + * The 4k HDMI capture controller works only with 32bit + * phys addresses and doesn't support IOMMU. HDMI RX CMA + * must be reserved below 4GB. + * The size of 160MB was determined as follows: + * (3840 * 2160 pixels) * (4 bytes/pixel) * (2 frames/buffer) / 10^6 = 66MB + * To ensure sufficient support for practical use-cases, + * we doubled the 66MB value. + */ + hdmi_receiver_cma: hdmi-receiver-cma { + compatible = "shared-dma-pool"; + alloc-ranges = <0x0 0x0 0x0 0xffffffff>; + size = <0x0 (160 * 0x100000)>; /* 160MiB */ + alignment = <0x0 0x40000>; /* 64K */ + no-map; + status = "disabled"; + }; + }; + usb_host1_xhci: usb@fc400000 { compatible = "rockchip,rk3588-dwc3", "snps,dwc3"; reg = <0x0 0xfc400000 0x0 0x400000>; @@ -228,6 +252,37 @@ }; }; + hdmi_receiver: hdmi_receiver@fdee0000 { + compatible = "rockchip,rk3588-hdmirx-ctrler", "snps,dw-hdmi-rx"; + reg = <0x0 0xfdee0000 0x0 0x6000>; + interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH 0>; + interrupt-names = "cec", "hdmi", "dma"; + clocks = <&cru ACLK_HDMIRX>, + <&cru CLK_HDMIRX_AUD>, + <&cru CLK_CR_PARA>, + <&cru PCLK_HDMIRX>, + <&cru CLK_HDMIRX_REF>, + <&cru PCLK_S_HDMIRX>, + <&cru HCLK_VO1>; + clock-names = "aclk", + "audio", + "cr_para", + "pclk", + "ref", + "hclk_s_hdmirx", + "hclk_vo1"; + memory-region = <&hdmi_receiver_cma>; + power-domains = <&power RK3588_PD_VO1>; + resets = <&cru SRST_A_HDMIRX>, <&cru SRST_P_HDMIRX>, + <&cru SRST_HDMIRX_REF>, <&cru SRST_A_HDMIRX_BIU>; + reset-names = "axi", "apb", "ref", "biu"; + rockchip,grf = <&sys_grf>; + rockchip,vo1-grf = <&vo1_grf>; + status = "disabled"; + }; + pcie3x4: pcie@fe150000 { compatible = "rockchip,rk3588-pcie", "rockchip,rk3568-pcie"; #address-cells = <3>; |