| /* |
| * Copyright (c) 2022 Kumar Gala <galak@kernel.org> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| &pinctrl { |
| spim2_loopback: spim2_loopback { |
| group1 { |
| pinmux = <SPIM2_MISO_GPIO2>; |
| output-enable; /* Connect GPIO2 and GPIO3 externally for testing */ |
| }; |
| group2 { |
| pinmux = <SPIM2_MOSI_GPIO3>; |
| input-enable; /* Connect GPIO2 and GPIO3 externally for testing */ |
| }; |
| group3 { |
| pinmux = <SPIM2_SCLK_GPIO6>, |
| <SPIM2_CSEL_GPIO10>; |
| }; |
| }; |
| }; |
| |
| &spi2 { |
| slow@0 { |
| compatible = "test-spi-loopback-slow"; |
| reg = <0>; |
| spi-max-frequency = <500000>; |
| }; |
| fast@0 { |
| compatible = "test-spi-loopback-fast"; |
| reg = <0>; |
| spi-max-frequency = <16000000>; |
| }; |
| }; |
| |
| &spi2 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| dma-enabled; |
| pinctrl-0 = <&spim2_loopback>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
