ARM64: zynqmp: DT: Add power domains

Add power-domains to the DT and attach devices to them.
The power-domains are all logical domains as understood by firmware.
Each PD is identified by a unique identifier that the platform firmware
understands.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 8dc38e30f56f003cf6e4a042ad2078fee7393020..25e8f7e159499d0afe20be9d49146d8b435c85b5 100644 (file)
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -49,6 +49,146 @@
                };
        };
 
+       power-domains {
+               compatible = "xlnx,zynqmp-genpd";
+
+               pd_usb0: pd-usb0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x16>;
+               };
+
+               pd_usb1: pd-usb1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x17>;
+               };
+
+               pd_sata: pd-sata {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x1c>;
+               };
+
+               pd_spi0: pd-spi0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x23>;
+               };
+
+               pd_spi1: pd-spi1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x24>;
+               };
+
+               pd_uart0: pd-uart0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x21>;
+               };
+
+               pd_uart1: pd-uart1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x22>;
+               };
+
+               pd_eth0: pd-eth0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x1d>;
+               };
+
+               pd_eth1: pd-eth1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x1e>;
+               };
+
+               pd_eth2: pd-eth2 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x1f>;
+               };
+
+               pd_eth3: pd-eth3 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x20>;
+               };
+
+               pd_i2c0: pd-i2c0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x25>;
+               };
+
+               pd_i2c1: pd-i2c1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x26>;
+               };
+
+               pd_dp: pd-dp {
+                       /* fixme: what to attach to */
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x29>;
+               };
+
+               pd_gdma: pd-gdma {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x2a>;
+               };
+
+               pd_adma: pd-adma {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x2b>;
+               };
+
+               pd_ttc0: pd-ttc0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x18>;
+               };
+
+               pd_ttc1: pd-ttc1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x19>;
+               };
+
+               pd_ttc2: pd-ttc2 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x1a>;
+               };
+
+               pd_ttc3: pd-ttc3 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x1b>;
+               };
+
+               pd_sd0: pd-sd0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x27>;
+               };
+
+               pd_sd1: pd-sd1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x28>;
+               };
+
+               pd_nand: pd-nand {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x2c>;
+               };
+
+               pd_qspi: pd-qspi {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x2d>;
+               };
+
+               pd_gpio: pd-gpio {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x2e>;
+               };
+
+               pd_can0: pd-can0 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x2f>;
+               };
+
+               pd_can1: pd-can1 {
+                       #power-domain-cells = <0x0>;
+                       pd-id = <0x30>;
+               };
+       };
+
        pmu {
                compatible = "arm,armv8-pmuv3";
                interrupts = <0 143 4>,
@@ -110,6 +250,7 @@
                        interrupt-parent = <&gic>;
                        tx-fifo-depth = <0x40>;
                        rx-fifo-depth = <0x40>;
+                       power-domains = <&pd_can0>;
                };
 
                can1: can@ff070000 {
@@ -121,6 +262,7 @@
                        interrupt-parent = <&gic>;
                        tx-fifo-depth = <0x40>;
                        rx-fifo-depth = <0x40>;
+                       power-domains = <&pd_can1>;
                };
 
                cci: cci@fd6e0000 {
@@ -151,6 +293,7 @@
                        interrupts = <0 124 4>;
                        xlnx,id = <0>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan2: dma@fd510000 {
@@ -161,6 +304,7 @@
                        interrupts = <0 125 4>;
                        xlnx,id = <1>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan3: dma@fd520000 {
@@ -171,6 +315,7 @@
                        interrupts = <0 126 4>;
                        xlnx,id = <2>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan4: dma@fd530000 {
@@ -181,6 +326,7 @@
                        interrupts = <0 127 4>;
                        xlnx,id = <3>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan5: dma@fd540000 {
@@ -191,6 +337,7 @@
                        interrupts = <0 128 4>;
                        xlnx,id = <4>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan6: dma@fd550000 {
@@ -201,6 +348,7 @@
                        interrupts = <0 129 4>;
                        xlnx,id = <5>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan7: dma@fd560000 {
@@ -211,6 +359,7 @@
                        interrupts = <0 130 4>;
                        xlnx,id = <6>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                fpd_dma_chan8: dma@fd570000 {
@@ -221,6 +370,7 @@
                        interrupts = <0 131 4>;
                        xlnx,id = <7>;
                        xlnx,bus-width = <128>;
+                       power-domains = <&pd_gdma>;
                };
 
                gpu: gpu@fd4b0000 {
@@ -241,6 +391,7 @@
                        interrupts = <0 77 4>;
                        xlnx,id = <0>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan2: dma@ffa90000 {
@@ -251,6 +402,7 @@
                        interrupts = <0 78 4>;
                        xlnx,id = <1>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan3: dma@ffaa0000 {
@@ -261,6 +413,7 @@
                        interrupts = <0 79 4>;
                        xlnx,id = <2>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan4: dma@ffab0000 {
@@ -271,6 +424,7 @@
                        interrupts = <0 80 4>;
                        xlnx,id = <3>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan5: dma@ffac0000 {
@@ -281,6 +435,7 @@
                        interrupts = <0 81 4>;
                        xlnx,id = <4>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan6: dma@ffad0000 {
@@ -291,6 +446,7 @@
                        interrupts = <0 82 4>;
                        xlnx,id = <5>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan7: dma@ffae0000 {
@@ -301,6 +457,7 @@
                        interrupts = <0 83 4>;
                        xlnx,id = <6>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                lpd_dma_chan8: dma@ffaf0000 {
@@ -311,6 +468,7 @@
                        interrupts = <0 84 4>;
                        xlnx,id = <7>;
                        xlnx,bus-width = <64>;
+                       power-domains = <&pd_adma>;
                };
 
                nand0: nand@ff100000 {
@@ -322,6 +480,7 @@
                        interrupts = <0 14 4>;
                        #address-cells = <2>;
                        #size-cells = <1>;
+                       power-domains = <&pd_nand>;
                };
 
                gem0: ethernet@ff0b0000 {
@@ -334,6 +493,7 @@
                        #address-cells = <1>;
                        #size-cells = <0>;
                        #stream-id-cells = <1>;
+                       power-domains = <&pd_eth0>;
                };
 
                gem1: ethernet@ff0c0000 {
@@ -346,6 +506,7 @@
                        #address-cells = <1>;
                        #size-cells = <0>;
                        #stream-id-cells = <1>;
+                       power-domains = <&pd_eth1>;
                };
 
                gem2: ethernet@ff0d0000 {
@@ -358,6 +519,7 @@
                        #address-cells = <1>;
                        #size-cells = <0>;
                        #stream-id-cells = <1>;
+                       power-domains = <&pd_eth2>;
                };
 
                gem3: ethernet@ff0e0000 {
@@ -370,6 +532,7 @@
                        #address-cells = <1>;
                        #size-cells = <0>;
                        #stream-id-cells = <1>;
+                       power-domains = <&pd_eth3>;
                };
 
                gpio: gpio@ff0a0000 {
@@ -381,6 +544,7 @@
                        interrupt-parent = <&gic>;
                        interrupts = <0 16 4>;
                        reg = <0x0 0xff0a0000 0x1000>;
+                       power-domains = <&pd_gpio>;
                };
 
                i2c0: i2c@ff020000 {
@@ -391,6 +555,7 @@
                        reg = <0x0 0xff020000 0x1000>;
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       power-domains = <&pd_i2c0>;
                };
 
                i2c1: i2c@ff030000 {
@@ -401,6 +566,7 @@
                        reg = <0x0 0xff030000 0x1000>;
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       power-domains = <&pd_i2c1>;
                };
 
                pcie: pcie@fd0e0000 {
@@ -433,6 +599,7 @@
                        reg = <0x0 0xff0f0000 0x1000 0x0 0xc0000000 0x8000000>;
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       power-domains = <&pd_qspi>;
                };
 
                rtc: rtc@ffa60000 {
@@ -450,6 +617,7 @@
                        reg = <0x0 0xfd0c0000 0x2000>;
                        interrupt-parent = <&gic>;
                        interrupts = <0 133 4>;
+                       power-domains = <&pd_sata>;
                };
 
                sdhci0: sdhci@ff160000 {
@@ -460,6 +628,7 @@
                        reg = <0x0 0xff160000 0x1000>;
                        clock-names = "clk_xin", "clk_ahb";
                        broken-tuning;
+                       power-domains = <&pd_sd0>;
                };
 
                sdhci1: sdhci@ff170000 {
@@ -470,6 +639,7 @@
                        reg = <0x0 0xff170000 0x1000>;
                        clock-names = "clk_xin", "clk_ahb";
                        broken-tuning;
+                       power-domains = <&pd_sd1>;
                };
 
                smmu: smmu@fd800000 {
@@ -497,6 +667,7 @@
                        clock-names = "ref_clk", "pclk";
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       power-domains = <&pd_spi0>;
                };
 
                spi1: spi@ff050000 {
@@ -508,6 +679,7 @@
                        clock-names = "ref_clk", "pclk";
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       power-domains = <&pd_spi1>;
                };
 
                ttc0: timer@ff110000 {
@@ -517,6 +689,7 @@
                        interrupts = <0 36 4>, <0 37 4>, <0 38 4>;
                        reg = <0x0 0xff110000 0x1000>;
                        timer-width = <32>;
+                       power-domains = <&pd_ttc0>;
                };
 
                ttc1: timer@ff120000 {
@@ -526,6 +699,7 @@
                        interrupts = <0 39 4>, <0 40 4>, <0 41 4>;
                        reg = <0x0 0xff120000 0x1000>;
                        timer-width = <32>;
+                       power-domains = <&pd_ttc1>;
                };
 
                ttc2: timer@ff130000 {
@@ -535,6 +709,7 @@
                        interrupts = <0 42 4>, <0 43 4>, <0 44 4>;
                        reg = <0x0 0xff130000 0x1000>;
                        timer-width = <32>;
+                       power-domains = <&pd_ttc2>;
                };
 
                ttc3: timer@ff140000 {
@@ -544,6 +719,7 @@
                        interrupts = <0 45 4>, <0 46 4>, <0 47 4>;
                        reg = <0x0 0xff140000 0x1000>;
                        timer-width = <32>;
+                       power-domains = <&pd_ttc3>;
                };
 
                uart0: serial@ff000000 {
@@ -553,6 +729,7 @@
                        interrupts = <0 21 4>;
                        reg = <0x0 0xff000000 0x1000>;
                        clock-names = "uart_clk", "pclk";
+                       power-domains = <&pd_uart0>;
                };
 
                uart1: serial@ff010000 {
@@ -562,6 +739,7 @@
                        interrupts = <0 22 4>;
                        reg = <0x0 0xff010000 0x1000>;
                        clock-names = "uart_clk", "pclk";
+                       power-domains = <&pd_uart1>;
                };
 
                usb0: usb@fe200000 {
@@ -571,6 +749,7 @@
                        interrupts = <0 65 4>;
                        reg = <0x0 0xfe200000 0x40000>;
                        clock-names = "clk_xin", "clk_ahb";
+                       power-domains = <&pd_usb0>;
                };
 
                usb1: usb@fe300000 {
@@ -580,6 +759,7 @@
                        interrupts = <0 70 4>;
                        reg = <0x0 0xfe300000 0x40000>;
                        clock-names = "clk_xin", "clk_ahb";
+                       power-domains = <&pd_usb1>;
                };
 
                watchdog0: watchdog@fd4d0000 {