Jan Kundrát | 90bd7a0 | 2017-11-14 17:40:37 +0100 | [diff] [blame] | 1 | #include "armada-388-clearfog-base.dts" |
Jan Kundrát | 800fcf0 | 2017-11-14 13:27:44 +0100 | [diff] [blame] | 2 | |
| 3 | &w25q32 { |
| 4 | status = "okay"; |
Jan Kundrát | 2333962 | 2017-12-22 20:05:35 +0100 | [diff] [blame] | 5 | /* The chip itself is rated up to 50MHz for regular reads, 60MHz for |
| 6 | * all other transactions, but somehow the mere presence of the |
| 7 | * MAX14830 EV board breaks these transfers. Changing the speed all the |
| 8 | * way down to 100kHz doesn't help. */ |
Jan Kundrát | 800fcf0 | 2017-11-14 13:27:44 +0100 | [diff] [blame] | 9 | }; |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 10 | |
| 11 | / { |
| 12 | clocks { |
| 13 | spi_uart_clk: osc_max14830 { |
| 14 | compatible = "fixed-clock"; |
| 15 | #clock-cells = <0>; |
| 16 | clock-frequency = <3686400>; |
| 17 | }; |
| 18 | }; |
Jan Kundrát | 8fd3c5d | 2017-12-16 00:45:57 +0100 | [diff] [blame] | 19 | |
| 20 | soc { |
Jan Kundrát | 5f75ea7 | 2018-01-15 16:22:32 +0100 | [diff] [blame] | 21 | internal-regs { |
| 22 | sdhci@d8000 { |
| 23 | /delete-property/ cd-gpios; |
| 24 | broken-cd; |
| 25 | }; |
| 26 | }; |
Jan Kundrát | 8fd3c5d | 2017-12-16 00:45:57 +0100 | [diff] [blame] | 27 | }; |
Jan Kundrát | 7f2ff83 | 2018-01-23 19:21:56 +0100 | [diff] [blame] | 28 | |
| 29 | gpio_i2c { |
| 30 | compatible = "i2c-gpio"; |
| 31 | sda-gpios = <&gpio0 25 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; |
| 32 | scl-gpios = <&gpio0 24 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; |
| 33 | i2c-gpio.delay-us = <1>; |
| 34 | #address-cells = <1>; |
| 35 | #size-cells = <0>; |
| 36 | }; |
| 37 | }; |
| 38 | |
| 39 | &uart1_pins { |
| 40 | status = "disabled"; |
| 41 | }; |
| 42 | |
| 43 | &uart1 { |
| 44 | status = "disabled"; |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 45 | }; |
| 46 | |
Jan Kundrát | ebb7a0c | 2018-01-30 14:38:49 +0100 | [diff] [blame] | 47 | &gpio0 { |
| 48 | spi_reset { |
| 49 | /* MPP29: defaults to 0 at boot time */ |
| 50 | gpio-hog; |
| 51 | gpios = <29 GPIO_ACTIVE_LOW>; |
| 52 | output-low; |
| 53 | line-name = "SPI-reset"; |
| 54 | }; |
| 55 | }; |
| 56 | |
Jan Kundrát | 23b1629 | 2017-11-28 08:56:48 +0100 | [diff] [blame] | 57 | &gpio1 { |
Jan Kundrát | da5d233 | 2018-01-29 11:11:21 +0100 | [diff] [blame] | 58 | spi_int { |
Jan Kundrát | 23b1629 | 2017-11-28 08:56:48 +0100 | [diff] [blame] | 59 | /* MPP54: this needs an external pull-up */ |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 60 | gpio-hog; |
Jan Kundrát | 23b1629 | 2017-11-28 08:56:48 +0100 | [diff] [blame] | 61 | gpios = <22 GPIO_ACTIVE_HIGH>; |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 62 | input; |
Jan Kundrát | da5d233 | 2018-01-29 11:11:21 +0100 | [diff] [blame] | 63 | line-name = "SPI-INT"; |
Jan Kundrát | 4e36c34 | 2018-01-25 16:29:24 +0100 | [diff] [blame] | 64 | }; |
| 65 | }; |
| 66 | |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 67 | &spi1 { |
Jan Kundrát | 4e36c34 | 2018-01-25 16:29:24 +0100 | [diff] [blame] | 68 | cs-gpios = <0>, <&gpio0 22 GPIO_ACTIVE_HIGH>, <0>; |
| 69 | |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 70 | max14830: max14830@2 { |
| 71 | compatible = "maxim,max14830"; |
| 72 | reg = <2>; |
| 73 | clocks = <&spi_uart_clk>; |
| 74 | clock-names = "xtal"; |
Jan Kundrát | 23b1629 | 2017-11-28 08:56:48 +0100 | [diff] [blame] | 75 | interrupt-parent = <&gpio1>; |
| 76 | interrupts = <22 IRQ_TYPE_LEVEL_LOW>; |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 77 | gpio-controller; |
| 78 | #gpio-cells = <2>; |
| 79 | spi-max-frequency = <26000000>; |
| 80 | }; |
Jan Kundrát | 4e36c34 | 2018-01-25 16:29:24 +0100 | [diff] [blame] | 81 | |
| 82 | gpio_spi_chips: gpio@1 { |
| 83 | compatible = "microchip,mcp23s17"; |
| 84 | reg = <1>; |
| 85 | interrupt-parent = <&gpio1>; |
| 86 | interrupts = <22 IRQ_TYPE_LEVEL_LOW>; |
| 87 | interrupt-controller; |
| 88 | #interrupt-cells = <2>; |
| 89 | gpio-controller; |
| 90 | #gpio-cells = <2>; |
| 91 | microchip,spi-present-mask = <0x06>; /* extra addresses 1 and 2 */ |
| 92 | microchip,irq-mirror; |
| 93 | microchip,irq-open-drain; |
| 94 | spi-max-frequency = <10000000>; |
| 95 | }; |
Jan Kundrát | 28658c9 | 2017-11-13 19:32:04 +0100 | [diff] [blame] | 96 | }; |