arm64: dts: imx8mp: add HSIO power-domains

This adds the GPC and HSIO blk-ctrl nodes providing power control for
the high-speed (USB and PCIe) IOs.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 7ad824e..3a59ce2 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -523,6 +523,21 @@
                                        #address-cells = <1>;
                                        #size-cells = <0>;
 
+                                       pgc_pcie_phy: power-domain@1 {
+                                               #power-domain-cells = <0>;
+                                               reg = <IMX8MP_POWER_DOMAIN_PCIE_PHY>;
+                                       };
+
+                                       pgc_usb1_phy: power-domain@2 {
+                                               #power-domain-cells = <0>;
+                                               reg = <IMX8MP_POWER_DOMAIN_USB1_PHY>;
+                                       };
+
+                                       pgc_usb2_phy: power-domain@3 {
+                                               #power-domain-cells = <0>;
+                                               reg = <IMX8MP_POWER_DOMAIN_USB2_PHY>;
+                                       };
+
                                        pgc_gpu2d: power-domain@6 {
                                                #power-domain-cells = <0>;
                                                reg = <IMX8MP_POWER_DOMAIN_GPU2D>;
@@ -549,6 +564,16 @@
                                                         <&clk IMX8MP_CLK_GPU3D_SHADER_CORE>;
                                                power-domains = <&pgc_gpumix>;
                                        };
+
+                                       pgc_hsiomix: power-domains@17 {
+                                               #power-domain-cells = <0>;
+                                               reg = <IMX8MP_POWER_DOMAIN_HSIOMIX>;
+                                               clocks = <&clk IMX8MP_CLK_HSIO_AXI>,
+                                                        <&clk IMX8MP_CLK_HSIO_ROOT>;
+                                               assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
+                                               assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
+                                               assigned-clock-rates = <500000000>;
+                                       };
                                };
                        };
                };
@@ -970,6 +995,28 @@
                        };
                };
 
+               aips4: bus@32c00000 {
+                       compatible = "fsl,aips-bus", "simple-bus";
+                       reg = <0x32c00000 0x400000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+
+                       hsio_blk_ctrl: blk-ctrl@32f10000 {
+                               compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
+                               reg = <0x32f10000 0x24>;
+                               clocks = <&clk IMX8MP_CLK_USB_ROOT>,
+                                        <&clk IMX8MP_CLK_PCIE_ROOT>;
+                               clock-names = "usb", "pcie";
+                               power-domains = <&pgc_hsiomix>, <&pgc_hsiomix>,
+                                               <&pgc_usb1_phy>, <&pgc_usb2_phy>,
+                                               <&pgc_hsiomix>, <&pgc_pcie_phy>;
+                               power-domain-names = "bus", "usb", "usb-phy1",
+                                                    "usb-phy2", "pcie", "pcie-phy";
+                               #power-domain-cells = <1>;
+                       };
+               };
+
                gpu3d: gpu@38000000 {
                        compatible = "vivante,gc";
                        reg = <0x38000000 0x8000>;
@@ -1030,6 +1077,7 @@
                        clock-names = "phy";
                        assigned-clocks = <&clk IMX8MP_CLK_USB_PHY_REF>;
                        assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
+                       power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_USB_PHY1>;
                        #phy-cells = <0>;
                        status = "disabled";
                };
@@ -1042,6 +1090,7 @@
                                 <&clk IMX8MP_CLK_USB_ROOT>;
                        clock-names = "hsio", "suspend";
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+                       power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_USB>;
                        #address-cells = <1>;
                        #size-cells = <1>;
                        dma-ranges = <0x40000000 0x40000000 0xc0000000>;
@@ -1055,9 +1104,6 @@
                                         <&clk IMX8MP_CLK_USB_CORE_REF>,
                                         <&clk IMX8MP_CLK_USB_ROOT>;
                                clock-names = "bus_early", "ref", "suspend";
-                               assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
-                               assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
-                               assigned-clock-rates = <500000000>;
                                interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
                                phys = <&usb3_phy0>, <&usb3_phy0>;
                                phy-names = "usb2-phy", "usb3-phy";
@@ -1073,6 +1119,7 @@
                        clock-names = "phy";
                        assigned-clocks = <&clk IMX8MP_CLK_USB_PHY_REF>;
                        assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
+                       power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_USB_PHY2>;
                        #phy-cells = <0>;
                        status = "disabled";
                };
@@ -1085,6 +1132,7 @@
                                 <&clk IMX8MP_CLK_USB_ROOT>;
                        clock-names = "hsio", "suspend";
                        interrupts = <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
+                       power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_USB>;
                        #address-cells = <1>;
                        #size-cells = <1>;
                        dma-ranges = <0x40000000 0x40000000 0xc0000000>;
@@ -1098,9 +1146,6 @@
                                         <&clk IMX8MP_CLK_USB_CORE_REF>,
                                         <&clk IMX8MP_CLK_USB_ROOT>;
                                clock-names = "bus_early", "ref", "suspend";
-                               assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
-                               assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
-                               assigned-clock-rates = <500000000>;
                                interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
                                phys = <&usb3_phy1>, <&usb3_phy1>;
                                phy-names = "usb2-phy", "usb3-phy";