Add device tree support for Synopsys DesignWare HDMI RX Controller. Reviewed-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> Tested-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> Co-developed-by: Dingxian Wen <shawn.wen@xxxxxxxxxxxxxx> Signed-off-by: Dingxian Wen <shawn.wen@xxxxxxxxxxxxxx> Signed-off-by: Shreeya Patel <shreeya.patel@xxxxxxxxxxxxx> --- Changes in v4 :- - Remove DTS changes added to this patch - Remove the HDMI RX pin nodes as it's already present in the rk3588-base-pinctrl.dtsi Changes in v3 :- - Rename cma node and phandle names - Elaborate the comment to explain 160MiB calculation - Move &hdmi_receiver_cma to the rock5b dts file Changes in v2 :- - Fix some of the checkpatch errors and warnings - Rename resets, vo1-grf and HPD - Move hdmirx_cma node to the rk3588.dtsi file .../dts/rockchip/rk3588-base-pinctrl.dtsi | 14 +++++ .../arm64/boot/dts/rockchip/rk3588-extra.dtsi | 56 +++++++++++++++++++ 2 files changed, 70 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-base-pinctrl.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-base-pinctrl.dtsi index 30db12c4fc82..ca006f5a4c90 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-base-pinctrl.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-base-pinctrl.dtsi @@ -594,6 +594,20 @@ hdmim0_tx1_hpd: hdmim0-tx1-hpd { /* hdmim0_tx1_hpd */ <1 RK_PA6 5 &pcfg_pull_none>; }; + + /omit-if-no-ref/ + hdmim1_rx: hdmim1-rx { + rockchip,pins = + /* hdmim1_rx_cec */ + <3 RK_PD1 5 &pcfg_pull_none>, + /* hdmim1_rx_scl */ + <3 RK_PD2 5 &pcfg_pull_none_smt>, + /* hdmim1_rx_sda */ + <3 RK_PD3 5 &pcfg_pull_none_smt>, + /* hdmim1_rx_hpdin */ + <3 RK_PD4 5 &pcfg_pull_none>; + }; + /omit-if-no-ref/ hdmim1_rx_cec: hdmim1-rx-cec { rockchip,pins = diff --git a/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi index 0ce0934ec6b7..96f8ce91eaf4 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-extra.dtsi @@ -7,6 +7,29 @@ #include "rk3588-extra-pinctrl.dtsi" / { + 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 */ + no-map; + status = "disabled"; + }; + }; + usb_host1_xhci: usb@fc400000 { compatible = "rockchip,rk3588-dwc3", "snps,dwc3"; reg = <0x0 0xfc400000 0x0 0x400000>; @@ -135,6 +158,39 @@ i2s10_8ch: i2s@fde00000 { status = "disabled"; }; + hdmi_receiver: hdmi_receiver@fdee0000 { + compatible = "rockchip,rk3588-hdmirx-ctrler", "snps,dw-hdmi-rx"; + reg = <0x0 0xfdee0000 0x0 0x6000>; + power-domains = <&power RK3588_PD_VO1>; + rockchip,grf = <&sys_grf>; + rockchip,vo1-grf = <&vo1_grf>; + interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 436 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"; + resets = <&cru SRST_A_HDMIRX>, <&cru SRST_P_HDMIRX>, + <&cru SRST_HDMIRX_REF>, <&cru SRST_A_HDMIRX_BIU>; + reset-names = "axi", "apb", "ref", "biu"; + memory-region = <&hdmi_receiver_cma>; + pinctrl-0 = <&hdmim1_rx>; + pinctrl-names = "default"; + status = "disabled"; + }; + pcie3x4: pcie@fe150000 { compatible = "rockchip,rk3588-pcie", "rockchip,rk3568-pcie"; #address-cells = <3>; -- 2.39.2