r8a7745-iwg22m.dtsi 1.9 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Device Tree Source for the iWave-RZG1E-G22M SODIMM SOM
  4. *
  5. * Copyright (C) 2017 Renesas Electronics Corp.
  6. */
  7. #include "r8a7745.dtsi"
  8. #include <dt-bindings/gpio/gpio.h>
  9. / {
  10. compatible = "iwave,g22m", "renesas,r8a7745";
  11. memory@40000000 {
  12. device_type = "memory";
  13. reg = <0 0x40000000 0 0x20000000>;
  14. };
  15. reg_3p3v: 3p3v {
  16. compatible = "regulator-fixed";
  17. regulator-name = "3P3V";
  18. regulator-min-microvolt = <3300000>;
  19. regulator-max-microvolt = <3300000>;
  20. regulator-always-on;
  21. regulator-boot-on;
  22. };
  23. };
  24. &cmt0 {
  25. status = "okay";
  26. };
  27. &extal_clk {
  28. clock-frequency = <20000000>;
  29. };
  30. &pfc {
  31. mmcif0_pins: mmc {
  32. groups = "mmc_data8", "mmc_ctrl";
  33. function = "mmc";
  34. };
  35. qspi_pins: qspi {
  36. groups = "qspi_ctrl", "qspi_data2";
  37. function = "qspi";
  38. };
  39. sdhi1_pins: sd1 {
  40. groups = "sdhi1_data4", "sdhi1_ctrl";
  41. function = "sdhi1";
  42. power-source = <3300>;
  43. };
  44. i2c3_pins: i2c3 {
  45. groups = "i2c3_b";
  46. function = "i2c3";
  47. };
  48. };
  49. &mmcif0 {
  50. pinctrl-0 = <&mmcif0_pins>;
  51. pinctrl-names = "default";
  52. vmmc-supply = <&reg_3p3v>;
  53. bus-width = <8>;
  54. non-removable;
  55. status = "okay";
  56. };
  57. &qspi {
  58. pinctrl-0 = <&qspi_pins>;
  59. pinctrl-names = "default";
  60. status = "okay";
  61. /* WARNING - This device contains the bootloader. Handle with care. */
  62. flash: flash@0 {
  63. #address-cells = <1>;
  64. #size-cells = <1>;
  65. compatible = "sst,sst25vf016b", "jedec,spi-nor";
  66. reg = <0>;
  67. spi-max-frequency = <50000000>;
  68. spi-tx-bus-width = <1>;
  69. spi-rx-bus-width = <1>;
  70. m25p,fast-read;
  71. spi-cpol;
  72. spi-cpha;
  73. };
  74. };
  75. &rwdt {
  76. timeout-sec = <60>;
  77. status = "okay";
  78. };
  79. &sdhi1 {
  80. pinctrl-0 = <&sdhi1_pins>;
  81. pinctrl-names = "default";
  82. vmmc-supply = <&reg_3p3v>;
  83. vqmmc-supply = <&reg_3p3v>;
  84. cd-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
  85. status = "okay";
  86. };
  87. &i2c3 {
  88. pinctrl-0 = <&i2c3_pins>;
  89. pinctrl-names = "default";
  90. status = "okay";
  91. clock-frequency = <400000>;
  92. rtc@68 {
  93. compatible = "ti,bq32000";
  94. reg = <0x68>;
  95. };
  96. };