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0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * HiSilicon Ltd. Hi3620 SoC
0004  *
0005  * Copyright (C) 2012-2013 HiSilicon Ltd.
0006  * Copyright (C) 2012-2013 Linaro Ltd.
0007  *
0008  * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
0009  */
0010 
0011 #include <dt-bindings/clock/hi3620-clock.h>
0012 
0013 / {
0014         #address-cells = <1>;
0015         #size-cells = <1>;
0016 
0017         aliases {
0018                 serial0 = &uart0;
0019                 serial1 = &uart1;
0020                 serial2 = &uart2;
0021                 serial3 = &uart3;
0022                 serial4 = &uart4;
0023         };
0024 
0025         pclk: clk {
0026                 compatible = "fixed-clock";
0027                 #clock-cells = <0>;
0028                 clock-frequency = <26000000>;
0029                 clock-output-names = "apb_pclk";
0030         };
0031 
0032         cpus {
0033                 #address-cells = <1>;
0034                 #size-cells = <0>;
0035                 enable-method = "hisilicon,hi3620-smp";
0036 
0037                 cpu@0 {
0038                         device_type = "cpu";
0039                         compatible = "arm,cortex-a9";
0040                         reg = <0x0>;
0041                         next-level-cache = <&L2>;
0042                 };
0043 
0044                 cpu@1 {
0045                         compatible = "arm,cortex-a9";
0046                         device_type = "cpu";
0047                         reg = <1>;
0048                         next-level-cache = <&L2>;
0049                 };
0050 
0051                 cpu@2 {
0052                         compatible = "arm,cortex-a9";
0053                         device_type = "cpu";
0054                         reg = <2>;
0055                         next-level-cache = <&L2>;
0056                 };
0057 
0058                 cpu@3 {
0059                         compatible = "arm,cortex-a9";
0060                         device_type = "cpu";
0061                         reg = <3>;
0062                         next-level-cache = <&L2>;
0063                 };
0064         };
0065 
0066         amba-bus {
0067 
0068                 #address-cells = <1>;
0069                 #size-cells = <1>;
0070                 compatible = "simple-bus";
0071                 interrupt-parent = <&gic>;
0072                 ranges = <0 0xfc000000 0x2000000>;
0073 
0074                 L2: cache-controller {
0075                         compatible = "arm,pl310-cache";
0076                         reg = <0x100000 0x100000>;
0077                         interrupts = <0 15 4>;
0078                         cache-unified;
0079                         cache-level = <2>;
0080                 };
0081 
0082                 gic: interrupt-controller@1000 {
0083                         compatible = "arm,cortex-a9-gic";
0084                         #interrupt-cells = <3>;
0085                         #address-cells = <0>;
0086                         interrupt-controller;
0087                         /* gic dist base, gic cpu base */
0088                         reg = <0x1000 0x1000>, <0x100 0x100>;
0089                 };
0090 
0091                 sysctrl: system-controller@802000 {
0092                         compatible = "hisilicon,sysctrl", "syscon";
0093                         #address-cells = <1>;
0094                         #size-cells = <1>;
0095                         ranges = <0 0x802000 0x1000>;
0096                         reg = <0x802000 0x1000>;
0097 
0098                         smp-offset = <0x31c>;
0099                         resume-offset = <0x308>;
0100                         reboot-offset = <0x4>;
0101 
0102                         clock: clock@0 {
0103                                 compatible = "hisilicon,hi3620-clock";
0104                                 reg = <0 0x10000>;
0105                                 #clock-cells = <1>;
0106                         };
0107                 };
0108 
0109                 dual_timer0: dual_timer@800000 {
0110                         compatible = "arm,sp804", "arm,primecell";
0111                         reg = <0x800000 0x1000>;
0112                         /* timer00 & timer01 */
0113                         interrupts = <0 0 4>, <0 1 4>;
0114                         clocks = <&clock HI3620_TIMER0_MUX>,
0115                                  <&clock HI3620_TIMER1_MUX>,
0116                                  <&clock HI3620_TIMER0_MUX>;
0117                         clock-names = "timer0clk", "timer1clk", "apb_pclk";
0118                         status = "disabled";
0119                 };
0120 
0121                 dual_timer1: dual_timer@801000 {
0122                         compatible = "arm,sp804", "arm,primecell";
0123                         reg = <0x801000 0x1000>;
0124                         /* timer10 & timer11 */
0125                         interrupts = <0 2 4>, <0 3 4>;
0126                         clocks = <&clock HI3620_TIMER2_MUX>,
0127                                  <&clock HI3620_TIMER3_MUX>,
0128                                  <&clock HI3620_TIMER2_MUX>;
0129                         clock-names = "timer0clk", "timer1clk", "apb_pclk";
0130                         status = "disabled";
0131                 };
0132 
0133                 dual_timer2: dual_timer@a01000 {
0134                         compatible = "arm,sp804", "arm,primecell";
0135                         reg = <0xa01000 0x1000>;
0136                         /* timer20 & timer21 */
0137                         interrupts = <0 4 4>, <0 5 4>;
0138                         clocks = <&clock HI3620_TIMER4_MUX>,
0139                                  <&clock HI3620_TIMER5_MUX>,
0140                                  <&clock HI3620_TIMER4_MUX>;
0141                         clock-names = "timer0lck", "timer1clk", "apb_pclk";
0142                         status = "disabled";
0143                 };
0144 
0145                 dual_timer3: dual_timer@a02000 {
0146                         compatible = "arm,sp804", "arm,primecell";
0147                         reg = <0xa02000 0x1000>;
0148                         /* timer30 & timer31 */
0149                         interrupts = <0 6 4>, <0 7 4>;
0150                         clocks = <&clock HI3620_TIMER6_MUX>,
0151                                  <&clock HI3620_TIMER7_MUX>,
0152                                  <&clock HI3620_TIMER6_MUX>;
0153                         clock-names = "timer0clk", "timer1clk", "apb_pclk";
0154                         status = "disabled";
0155                 };
0156 
0157                 dual_timer4: dual_timer@a03000 {
0158                         compatible = "arm,sp804", "arm,primecell";
0159                         reg = <0xa03000 0x1000>;
0160                         /* timer40 & timer41 */
0161                         interrupts = <0 96 4>, <0 97 4>;
0162                         clocks = <&clock HI3620_TIMER8_MUX>,
0163                                  <&clock HI3620_TIMER9_MUX>,
0164                                  <&clock HI3620_TIMER8_MUX>;
0165                         clock-names = "timer0clk", "timer1clk", "apb_pclk";
0166                         status = "disabled";
0167                 };
0168 
0169                 timer5: timer@600 {
0170                         compatible = "arm,cortex-a9-twd-timer";
0171                         reg = <0x600 0x20>;
0172                         interrupts = <1 13 0xf01>;
0173                 };
0174 
0175                 uart0: serial@b00000 {
0176                         compatible = "arm,pl011", "arm,primecell";
0177                         reg = <0xb00000 0x1000>;
0178                         interrupts = <0 20 4>;
0179                         clocks = <&clock HI3620_UARTCLK0>, <&clock HI3620_UARTCLK0>;
0180                         clock-names = "uartclk", "apb_pclk";
0181                         status = "disabled";
0182                 };
0183 
0184                 uart1: serial@b01000 {
0185                         compatible = "arm,pl011", "arm,primecell";
0186                         reg = <0xb01000 0x1000>;
0187                         interrupts = <0 21 4>;
0188                         clocks = <&clock HI3620_UARTCLK1>, <&clock HI3620_UARTCLK1>;
0189                         clock-names = "uartclk", "apb_pclk";
0190                         status = "disabled";
0191                 };
0192 
0193                 uart2: serial@b02000 {
0194                         compatible = "arm,pl011", "arm,primecell";
0195                         reg = <0xb02000 0x1000>;
0196                         interrupts = <0 22 4>;
0197                         clocks = <&clock HI3620_UARTCLK2>, <&clock HI3620_UARTCLK2>;
0198                         clock-names = "uartclk", "apb_pclk";
0199                         status = "disabled";
0200                 };
0201 
0202                 uart3: serial@b03000 {
0203                         compatible = "arm,pl011", "arm,primecell";
0204                         reg = <0xb03000 0x1000>;
0205                         interrupts = <0 23 4>;
0206                         clocks = <&clock HI3620_UARTCLK3>, <&clock HI3620_UARTCLK3>;
0207                         clock-names = "uartclk", "apb_pclk";
0208                         status = "disabled";
0209                 };
0210 
0211                 uart4: serial@b04000 {
0212                         compatible = "arm,pl011", "arm,primecell";
0213                         reg = <0xb04000 0x1000>;
0214                         interrupts = <0 24 4>;
0215                         clocks = <&clock HI3620_UARTCLK4>, <&clock HI3620_UARTCLK4>;
0216                         clock-names = "uartclk", "apb_pclk";
0217                         status = "disabled";
0218                 };
0219 
0220                 gpio0: gpio@806000 {
0221                         compatible = "arm,pl061", "arm,primecell";
0222                         reg = <0x806000 0x1000>;
0223                         interrupts = <0 64 0x4>;
0224                         gpio-controller;
0225                         #gpio-cells = <2>;
0226                         gpio-ranges = < &pmx0 2 0 1 &pmx0 3 0 1 &pmx0 4 0 1
0227                                         &pmx0 5 0 1 &pmx0 6 1 1 &pmx0 7 2 1>;
0228                         interrupt-controller;
0229                         #interrupt-cells = <2>;
0230                         clocks = <&clock HI3620_GPIOCLK0>;
0231                         clock-names = "apb_pclk";
0232                 };
0233 
0234                 gpio1: gpio@807000 {
0235                         compatible = "arm,pl061", "arm,primecell";
0236                         reg = <0x807000 0x1000>;
0237                         interrupts = <0 65 0x4>;
0238                         gpio-controller;
0239                         #gpio-cells = <2>;
0240                         gpio-ranges = < &pmx0 0 3 1 &pmx0 1 3 1 &pmx0 2 3 1
0241                                         &pmx0 3 3 1 &pmx0 4 3 1 &pmx0 5 4 1
0242                                         &pmx0 6 5 1 &pmx0 7 6 1>;
0243                         interrupt-controller;
0244                         #interrupt-cells = <2>;
0245                         clocks = <&clock HI3620_GPIOCLK1>;
0246                         clock-names = "apb_pclk";
0247                 };
0248 
0249                 gpio2: gpio@808000 {
0250                         compatible = "arm,pl061", "arm,primecell";
0251                         reg = <0x808000 0x1000>;
0252                         interrupts = <0 66 0x4>;
0253                         gpio-controller;
0254                         #gpio-cells = <2>;
0255                         gpio-ranges = < &pmx0 0 7 1 &pmx0 1 8 1 &pmx0 2 9 1
0256                                         &pmx0 3 10 1 &pmx0 4 3 1 &pmx0 5 3 1
0257                                         &pmx0 6 3 1 &pmx0 7 3 1>;
0258                         interrupt-controller;
0259                         #interrupt-cells = <2>;
0260                         clocks = <&clock HI3620_GPIOCLK2>;
0261                         clock-names = "apb_pclk";
0262                 };
0263 
0264                 gpio3: gpio@809000 {
0265                         compatible = "arm,pl061", "arm,primecell";
0266                         reg = <0x809000 0x1000>;
0267                         interrupts = <0 67 0x4>;
0268                         gpio-controller;
0269                         #gpio-cells = <2>;
0270                         gpio-ranges = < &pmx0 0 3 1 &pmx0 1 3 1 &pmx0 2 3 1
0271                                         &pmx0 3 3 1 &pmx0 4 11 1 &pmx0 5 11 1
0272                                         &pmx0 6 11 1 &pmx0 7 11 1>;
0273                         interrupt-controller;
0274                         #interrupt-cells = <2>;
0275                         clocks = <&clock HI3620_GPIOCLK3>;
0276                         clock-names = "apb_pclk";
0277                 };
0278 
0279                 gpio4: gpio@80a000 {
0280                         compatible = "arm,pl061", "arm,primecell";
0281                         reg = <0x80a000 0x1000>;
0282                         interrupts = <0 68 0x4>;
0283                         gpio-controller;
0284                         #gpio-cells = <2>;
0285                         gpio-ranges = < &pmx0 0 11 1 &pmx0 1 11 1 &pmx0 2 11 1
0286                                         &pmx0 3 11 1 &pmx0 4 12 1 &pmx0 5 12 1
0287                                         &pmx0 6 13 1 &pmx0 7 13 1>;
0288                         interrupt-controller;
0289                         #interrupt-cells = <2>;
0290                         clocks = <&clock HI3620_GPIOCLK4>;
0291                         clock-names = "apb_pclk";
0292                 };
0293 
0294                 gpio5: gpio@80b000 {
0295                         compatible = "arm,pl061", "arm,primecell";
0296                         reg = <0x80b000 0x1000>;
0297                         interrupts = <0 69 0x4>;
0298                         gpio-controller;
0299                         #gpio-cells = <2>;
0300                         gpio-ranges = < &pmx0 0 14 1 &pmx0 1 15 1 &pmx0 2 16 1
0301                                         &pmx0 3 16 1 &pmx0 4 16 1 &pmx0 5 16 1
0302                                         &pmx0 6 16 1 &pmx0 7 16 1>;
0303                         interrupt-controller;
0304                         #interrupt-cells = <2>;
0305                         clocks = <&clock HI3620_GPIOCLK5>;
0306                         clock-names = "apb_pclk";
0307                 };
0308 
0309                 gpio6: gpio@80c000 {
0310                         compatible = "arm,pl061", "arm,primecell";
0311                         reg = <0x80c000 0x1000>;
0312                         interrupts = <0 70 0x4>;
0313                         gpio-controller;
0314                         #gpio-cells = <2>;
0315                         gpio-ranges = < &pmx0 0 16 1 &pmx0 1 16 1 &pmx0 2 17 1
0316                                         &pmx0 3 17 1 &pmx0 4 18 1 &pmx0 5 18 1
0317                                         &pmx0 6 18 1 &pmx0 7 19 1>;
0318                         interrupt-controller;
0319                         #interrupt-cells = <2>;
0320                         clocks = <&clock HI3620_GPIOCLK6>;
0321                         clock-names = "apb_pclk";
0322                 };
0323 
0324                 gpio7: gpio@80d000 {
0325                         compatible = "arm,pl061", "arm,primecell";
0326                         reg = <0x80d000 0x1000>;
0327                         interrupts = <0 71 0x4>;
0328                         gpio-controller;
0329                         #gpio-cells = <2>;
0330                         gpio-ranges = < &pmx0 0 19 1 &pmx0 1 20 1 &pmx0 2 21 1
0331                                         &pmx0 3 22 1 &pmx0 4 23 1 &pmx0 5 24 1
0332                                         &pmx0 6 25 1 &pmx0 7 26 1>;
0333                         interrupt-controller;
0334                         #interrupt-cells = <2>;
0335                         clocks = <&clock HI3620_GPIOCLK7>;
0336                         clock-names = "apb_pclk";
0337                 };
0338 
0339                 gpio8: gpio@80e000 {
0340                         compatible = "arm,pl061", "arm,primecell";
0341                         reg = <0x80e000 0x1000>;
0342                         interrupts = <0 72 0x4>;
0343                         gpio-controller;
0344                         #gpio-cells = <2>;
0345                         gpio-ranges = < &pmx0 0 27 1 &pmx0 1 28 1 &pmx0 2 29 1
0346                                         &pmx0 3 30 1 &pmx0 4 31 1 &pmx0 5 32 1
0347                                         &pmx0 6 33 1 &pmx0 7 34 1>;
0348                         interrupt-controller;
0349                         #interrupt-cells = <2>;
0350                         clocks = <&clock HI3620_GPIOCLK8>;
0351                         clock-names = "apb_pclk";
0352                 };
0353 
0354                 gpio9: gpio@80f000 {
0355                         compatible = "arm,pl061", "arm,primecell";
0356                         reg = <0x80f000 0x1000>;
0357                         interrupts = <0 73 0x4>;
0358                         gpio-controller;
0359                         #gpio-cells = <2>;
0360                         gpio-ranges = < &pmx0 0 35 1 &pmx0 1 36 1 &pmx0 2 37 1
0361                                         &pmx0 3 38 1 &pmx0 4 39 1 &pmx0 5 40 1
0362                                         &pmx0 6 41 1>;
0363                         interrupt-controller;
0364                         #interrupt-cells = <2>;
0365                         clocks = <&clock HI3620_GPIOCLK9>;
0366                         clock-names = "apb_pclk";
0367                 };
0368 
0369                 gpio10: gpio@810000 {
0370                         compatible = "arm,pl061", "arm,primecell";
0371                         reg = <0x810000 0x1000>;
0372                         interrupts = <0 74 0x4>;
0373                         gpio-controller;
0374                         #gpio-cells = <2>;
0375                         gpio-ranges = < &pmx0 2 43 1 &pmx0 3 44 1 &pmx0 4 45 1
0376                                         &pmx0 5 45 1 &pmx0 6 46 1 &pmx0 7 46 1>;
0377                         interrupt-controller;
0378                         #interrupt-cells = <2>;
0379                         clocks = <&clock HI3620_GPIOCLK10>;
0380                         clock-names = "apb_pclk";
0381                 };
0382 
0383                 gpio11: gpio@811000 {
0384                         compatible = "arm,pl061", "arm,primecell";
0385                         reg = <0x811000 0x1000>;
0386                         interrupts = <0 75 0x4>;
0387                         gpio-controller;
0388                         #gpio-cells = <2>;
0389                         gpio-ranges = < &pmx0 0 47 1 &pmx0 1 47 1 &pmx0 2 47 1
0390                                         &pmx0 3 47 1 &pmx0 4 47 1 &pmx0 5 48 1
0391                                         &pmx0 6 49 1 &pmx0 7 49 1>;
0392                         interrupt-controller;
0393                         #interrupt-cells = <2>;
0394                         clocks = <&clock HI3620_GPIOCLK11>;
0395                         clock-names = "apb_pclk";
0396                 };
0397 
0398                 gpio12: gpio@812000 {
0399                         compatible = "arm,pl061", "arm,primecell";
0400                         reg = <0x812000 0x1000>;
0401                         interrupts = <0 76 0x4>;
0402                         gpio-controller;
0403                         #gpio-cells = <2>;
0404                         gpio-ranges = < &pmx0 0 49 1 &pmx0 1 50 1 &pmx0 2 49 1
0405                                         &pmx0 3 49 1 &pmx0 4 51 1 &pmx0 5 51 1
0406                                         &pmx0 6 51 1 &pmx0 7 52 1>;
0407                         interrupt-controller;
0408                         #interrupt-cells = <2>;
0409                         clocks = <&clock HI3620_GPIOCLK12>;
0410                         clock-names = "apb_pclk";
0411                 };
0412 
0413                 gpio13: gpio@813000 {
0414                         compatible = "arm,pl061", "arm,primecell";
0415                         reg = <0x813000 0x1000>;
0416                         interrupts = <0 77 0x4>;
0417                         gpio-controller;
0418                         #gpio-cells = <2>;
0419                         gpio-ranges = < &pmx0 0 51 1 &pmx0 1 51 1 &pmx0 2 53 1
0420                                         &pmx0 3 53 1 &pmx0 4 53 1 &pmx0 5 54 1
0421                                         &pmx0 6 55 1 &pmx0 7 56 1>;
0422                         interrupt-controller;
0423                         #interrupt-cells = <2>;
0424                         clocks = <&clock HI3620_GPIOCLK13>;
0425                         clock-names = "apb_pclk";
0426                 };
0427 
0428                 gpio14: gpio@814000 {
0429                         compatible = "arm,pl061", "arm,primecell";
0430                         reg = <0x814000 0x1000>;
0431                         interrupts = <0 78 0x4>;
0432                         gpio-controller;
0433                         #gpio-cells = <2>;
0434                         gpio-ranges = < &pmx0 0 57 1 &pmx0 1 97 1 &pmx0 2 97 1
0435                                         &pmx0 3 58 1 &pmx0 4 59 1 &pmx0 5 60 1
0436                                         &pmx0 6 60 1 &pmx0 7 61 1>;
0437                         interrupt-controller;
0438                         #interrupt-cells = <2>;
0439                         clocks = <&clock HI3620_GPIOCLK14>;
0440                         clock-names = "apb_pclk";
0441                 };
0442 
0443                 gpio15: gpio@815000 {
0444                         compatible = "arm,pl061", "arm,primecell";
0445                         reg = <0x815000 0x1000>;
0446                         interrupts = <0 79 0x4>;
0447                         gpio-controller;
0448                         #gpio-cells = <2>;
0449                         gpio-ranges = < &pmx0 0 61 1 &pmx0 1 62 1 &pmx0 2 62 1
0450                                         &pmx0 3 63 1 &pmx0 4 63 1 &pmx0 5 64 1
0451                                         &pmx0 6 64 1 &pmx0 7 65 1>;
0452                         interrupt-controller;
0453                         #interrupt-cells = <2>;
0454                         clocks = <&clock HI3620_GPIOCLK15>;
0455                         clock-names = "apb_pclk";
0456                 };
0457 
0458                 gpio16: gpio@816000 {
0459                         compatible = "arm,pl061", "arm,primecell";
0460                         reg = <0x816000 0x1000>;
0461                         interrupts = <0 80 0x4>;
0462                         gpio-controller;
0463                         #gpio-cells = <2>;
0464                         gpio-ranges = < &pmx0 0 66 1 &pmx0 1 67 1 &pmx0 2 68 1
0465                                         &pmx0 3 69 1 &pmx0 4 70 1 &pmx0 5 71 1
0466                                         &pmx0 6 72 1 &pmx0 7 73 1>;
0467                         interrupt-controller;
0468                         #interrupt-cells = <2>;
0469                         clocks = <&clock HI3620_GPIOCLK16>;
0470                         clock-names = "apb_pclk";
0471                 };
0472 
0473                 gpio17: gpio@817000 {
0474                         compatible = "arm,pl061", "arm,primecell";
0475                         reg = <0x817000 0x1000>;
0476                         interrupts = <0 81 0x4>;
0477                         gpio-controller;
0478                         #gpio-cells = <2>;
0479                         gpio-ranges = < &pmx0 0 74 1 &pmx0 1 75 1 &pmx0 2 76 1
0480                                         &pmx0 3 77 1 &pmx0 4 78 1 &pmx0 5 79 1
0481                                         &pmx0 6 80 1 &pmx0 7 81 1>;
0482                         interrupt-controller;
0483                         #interrupt-cells = <2>;
0484                         clocks = <&clock HI3620_GPIOCLK17>;
0485                         clock-names = "apb_pclk";
0486                 };
0487 
0488                 gpio18: gpio@818000 {
0489                         compatible = "arm,pl061", "arm,primecell";
0490                         reg = <0x818000 0x1000>;
0491                         interrupts = <0 82 0x4>;
0492                         gpio-controller;
0493                         #gpio-cells = <2>;
0494                         gpio-ranges = < &pmx0 0 82 1 &pmx0 1 83 1 &pmx0 2 83 1
0495                                         &pmx0 3 84 1 &pmx0 4 84 1 &pmx0 5 85 1
0496                                         &pmx0 6 86 1 &pmx0 7 87 1>;
0497                         interrupt-controller;
0498                         #interrupt-cells = <2>;
0499                         clocks = <&clock HI3620_GPIOCLK18>;
0500                         clock-names = "apb_pclk";
0501                 };
0502 
0503                 gpio19: gpio@819000 {
0504                         compatible = "arm,pl061", "arm,primecell";
0505                         reg = <0x819000 0x1000>;
0506                         interrupts = <0 83 0x4>;
0507                         gpio-controller;
0508                         #gpio-cells = <2>;
0509                         gpio-ranges = < &pmx0 0 87 1 &pmx0 1 87 1 &pmx0 2 88 1
0510                                         &pmx0 3 88 1>;
0511                         interrupt-controller;
0512                         #interrupt-cells = <2>;
0513                         clocks = <&clock HI3620_GPIOCLK19>;
0514                         clock-names = "apb_pclk";
0515                 };
0516 
0517                 gpio20: gpio@81a000 {
0518                         compatible = "arm,pl061", "arm,primecell";
0519                         reg = <0x81a000 0x1000>;
0520                         interrupts = <0 84 0x4>;
0521                         gpio-controller;
0522                         #gpio-cells = <2>;
0523                         gpio-ranges = < &pmx0 0 89 1 &pmx0 1 89 1 &pmx0 2 90 1
0524                                         &pmx0 3 90 1 &pmx0 4 91 1 &pmx0 5 92 1>;
0525                         interrupt-controller;
0526                         #interrupt-cells = <2>;
0527                         clocks = <&clock HI3620_GPIOCLK20>;
0528                         clock-names = "apb_pclk";
0529                 };
0530 
0531                 gpio21: gpio@81b000 {
0532                         compatible = "arm,pl061", "arm,primecell";
0533                         reg = <0x81b000 0x1000>;
0534                         interrupts = <0 85 0x4>;
0535                         gpio-controller;
0536                         #gpio-cells = <2>;
0537                         gpio-ranges = < &pmx0 3 94 1 &pmx0 7 96 1>;
0538                         interrupt-controller;
0539                         #interrupt-cells = <2>;
0540                         clocks = <&clock HI3620_GPIOCLK21>;
0541                         clock-names = "apb_pclk";
0542                 };
0543 
0544                 pmx0: pinmux@803000 {
0545                         compatible = "pinctrl-single";
0546                         reg = <0x803000 0x188>;
0547                         #address-cells = <1>;
0548                         #size-cells = <1>;
0549                         #pinctrl-cells = <1>;
0550                         #gpio-range-cells = <3>;
0551                         ranges;
0552 
0553                         pinctrl-single,register-width = <32>;
0554                         pinctrl-single,function-mask = <7>;
0555                         /* pin base, nr pins & gpio function */
0556                         pinctrl-single,gpio-range = <&range 0 3 0 &range 3 9 1
0557                                                 &range 12 1 0 &range 13 29 1
0558                                                 &range 43 1 0 &range 44 49 1
0559                                                 &range 94 1 1 &range 96 2 1>;
0560 
0561                         range: gpio-range {
0562                                 #pinctrl-single,gpio-range-cells = <3>;
0563                         };
0564                 };
0565 
0566                 pmx1: pinmux@803800 {
0567                         compatible = "pinconf-single";
0568                         reg = <0x803800 0x2dc>;
0569                         #address-cells = <1>;
0570                         #size-cells = <1>;
0571                         #pinctrl-cells = <1>;
0572                         ranges;
0573 
0574                         pinctrl-single,register-width = <32>;
0575                 };
0576         };
0577 };