Re: (EXT) [PATCH v3 5/7] arm64: dts: imx8mp: add HSIO power-domains
From: Alexander Stein <hidden>
Date: 2022-03-02 16:49:32
Also in:
linux-devicetree
Am Montag, 28. Februar 2022, 21:17:29 CET schrieb Lucas Stach:
quoted hunk ↗ jump to hunk
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> --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 71 +++++++++++++++++++++-- 1 file changed, 65 insertions(+), 6 deletions(-)diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsib/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 6b840c05dd77..69e533add539 100644--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi@@ -4,6 +4,7 @@ */ #include <dt-bindings/clock/imx8mp-clock.h> +#include <dt-bindings/power/imx8mp-power.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/arm-gic.h>@@ -475,6 +476,44 @@ src: reset-controller@30390000 { interrupts = <GIC_SPI 89
IRQ_TYPE_LEVEL_HIGH>;
#reset-cells = <1>;
};
+
+ gpc: gpc@303a0000 {
+ compatible = "fsl,imx8mp-gpc";
+ reg = <0x303a0000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+
+ pgc {
+ #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_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>;
quoted hunk ↗ jump to hunk
+ }; + }; + }; }; aips2: bus@30400000 {@@ -892,6 +931,28 @@ eqos: ethernet@30bf0000 { }; }; + aips4 { + 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";
quoted hunk ↗ jump to hunk
+ #power-domain-cells = <1>; + }; + }; + gic: interrupt-controller@38800000 { compatible = "arm,gic-v3"; reg = <0x38800000 0x10000>,@@ -915,6 +976,7 @@ usb3_phy0: usb-phy@381f0040 { 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>;
quoted hunk ↗ jump to hunk
#phy-cells = <0>; status = "disabled"; };@@ -926,6 +988,7 @@ usb3_0: usb@32f10100 { <&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>;
quoted hunk ↗ jump to hunk
@@ -939,9 +1002,6 @@ usb_dwc3_0: usb@38100000 { <&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";
quoted hunk ↗ jump to hunk
@@ -957,6 +1017,7 @@ usb3_phy1: usb-phy@382f0040 { 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>;
quoted hunk ↗ jump to hunk
#phy-cells = <0>; };@@ -967,6 +1028,7 @@ usb3_1: usb@32f10108 { <&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>;
quoted hunk ↗ jump to hunk
@@ -980,9 +1042,6 @@ usb_dwc3_1: usb@38200000 { <&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"; Tested-by: Alexander Stein <redacted> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel