mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-01 15:14:52 +00:00
2c917b55d6
It is considered good practice to disable on-SoC devices providing
external I/O in the SoC-specific .dtsi, and enable them explicitly in
the board-specific DTS files when actually wired-up and used.
Hence:
- Set the status of I/O devices in k210.dtsi to "disabled",
- Override the status of used I/O devices in board-specific DTS files
to "okay",
- Drop unneeded status overrides in board DTS-specific files for the
always-enabled pin controller.
On e.g. MAiXBiT, this gets rid of an error message when probing the
unused slave-only spi2 controller:
dw_spi_mmio 50240000.spi: error -22: problem registering spi host
dw_spi_mmio 50240000.spi: probe with driver dw_spi_mmio failed with error -22
which is seen since commit 98d75b9ef2 ("spi: dw: Drop default
number of CS setting").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
158 lines
3.4 KiB
Plaintext
158 lines
3.4 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
|
|
* Copyright (C) 2020 Western Digital Corporation or its affiliates.
|
|
*/
|
|
|
|
/dts-v1/;
|
|
|
|
#include "k210.dtsi"
|
|
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
#include <dt-bindings/input/input.h>
|
|
|
|
/ {
|
|
model = "Kendryte KD233";
|
|
compatible = "canaan,kendryte-kd233", "canaan,kendryte-k210";
|
|
|
|
aliases {
|
|
serial0 = &uarths0;
|
|
};
|
|
|
|
chosen {
|
|
bootargs = "earlycon console=ttySIF0";
|
|
stdout-path = "serial0:115200n8";
|
|
};
|
|
|
|
gpio-leds {
|
|
compatible = "gpio-leds";
|
|
|
|
led0 {
|
|
gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
|
|
};
|
|
|
|
led1 {
|
|
gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
|
|
};
|
|
};
|
|
|
|
gpio-keys {
|
|
compatible = "gpio-keys";
|
|
|
|
key {
|
|
label = "KEY0";
|
|
linux,code = <BTN_0>;
|
|
gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&fpioa {
|
|
pinctrl-0 = <&jtag_pinctrl>;
|
|
pinctrl-names = "default";
|
|
|
|
jtag_pinctrl: jtag-pinmux {
|
|
pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
|
|
<K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
|
|
<K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
|
|
<K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
|
|
};
|
|
|
|
uarths_pinctrl: uarths-pinmux {
|
|
pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>,
|
|
<K210_FPIOA(5, K210_PCF_UARTHS_TX)>;
|
|
};
|
|
|
|
spi0_pinctrl: spi0-pinmux {
|
|
pinmux = <K210_FPIOA(6, K210_PCF_GPIOHS20)>, /* cs */
|
|
<K210_FPIOA(7, K210_PCF_SPI0_SCLK)>, /* wr */
|
|
<K210_FPIOA(8, K210_PCF_GPIOHS21)>; /* dc */
|
|
};
|
|
|
|
dvp_pinctrl: dvp-pinmux {
|
|
pinmux = <K210_FPIOA(9, K210_PCF_SCCB_SCLK)>,
|
|
<K210_FPIOA(10, K210_PCF_SCCB_SDA)>,
|
|
<K210_FPIOA(11, K210_PCF_DVP_RST)>,
|
|
<K210_FPIOA(12, K210_PCF_DVP_VSYNC)>,
|
|
<K210_FPIOA(13, K210_PCF_DVP_PWDN)>,
|
|
<K210_FPIOA(14, K210_PCF_DVP_XCLK)>,
|
|
<K210_FPIOA(15, K210_PCF_DVP_PCLK)>,
|
|
<K210_FPIOA(17, K210_PCF_DVP_HSYNC)>;
|
|
};
|
|
|
|
gpiohs_pinctrl: gpiohs-pinmux {
|
|
pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>,
|
|
<K210_FPIOA(20, K210_PCF_GPIOHS4)>, /* Rot. dip sw line 8 */
|
|
<K210_FPIOA(21, K210_PCF_GPIOHS5)>, /* Rot. dip sw line 4 */
|
|
<K210_FPIOA(22, K210_PCF_GPIOHS6)>, /* Rot. dip sw line 2 */
|
|
<K210_FPIOA(23, K210_PCF_GPIOHS7)>, /* Rot. dip sw line 1 */
|
|
<K210_FPIOA(24, K210_PCF_GPIOHS8)>,
|
|
<K210_FPIOA(25, K210_PCF_GPIOHS9)>,
|
|
<K210_FPIOA(26, K210_PCF_GPIOHS10)>;
|
|
};
|
|
|
|
spi1_pinctrl: spi1-pinmux {
|
|
pinmux = <K210_FPIOA(29, K210_PCF_SPI1_SCLK)>,
|
|
<K210_FPIOA(30, K210_PCF_SPI1_D0)>,
|
|
<K210_FPIOA(31, K210_PCF_SPI1_D1)>,
|
|
<K210_FPIOA(32, K210_PCF_GPIOHS16)>; /* cs */
|
|
};
|
|
|
|
i2s0_pinctrl: i2s0-pinmux {
|
|
pinmux = <K210_FPIOA(33, K210_PCF_I2S0_IN_D0)>,
|
|
<K210_FPIOA(34, K210_PCF_I2S0_WS)>,
|
|
<K210_FPIOA(35, K210_PCF_I2S0_SCLK)>;
|
|
};
|
|
};
|
|
|
|
&uarths0 {
|
|
pinctrl-0 = <&uarths_pinctrl>;
|
|
pinctrl-names = "default";
|
|
status = "okay";
|
|
};
|
|
|
|
&gpio0 {
|
|
pinctrl-0 = <&gpiohs_pinctrl>;
|
|
pinctrl-names = "default";
|
|
status = "okay";
|
|
};
|
|
|
|
&i2s0 {
|
|
#sound-dai-cells = <1>;
|
|
pinctrl-0 = <&i2s0_pinctrl>;
|
|
pinctrl-names = "default";
|
|
status = "okay";
|
|
};
|
|
|
|
&spi0 {
|
|
pinctrl-0 = <&spi0_pinctrl>;
|
|
pinctrl-names = "default";
|
|
num-cs = <1>;
|
|
cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
|
|
status = "okay";
|
|
|
|
panel@0 {
|
|
compatible = "canaan,kd233-tft", "ilitek,ili9341";
|
|
reg = <0>;
|
|
dc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
|
|
spi-max-frequency = <10000000>;
|
|
status = "disabled";
|
|
};
|
|
};
|
|
|
|
&spi1 {
|
|
pinctrl-0 = <&spi1_pinctrl>;
|
|
pinctrl-names = "default";
|
|
num-cs = <1>;
|
|
cs-gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
|
|
status = "okay";
|
|
|
|
mmc@0 {
|
|
compatible = "mmc-spi-slot";
|
|
reg = <0>;
|
|
voltage-ranges = <3300 3300>;
|
|
spi-max-frequency = <25000000>;
|
|
broken-cd;
|
|
};
|
|
};
|