i2c无法使用

Question

问题描述

我在庐山派上i2c都正常使用，在canmv_v3上i2c连地址都读不到，模块有上拉，用stc32g12k128也能读，但是用v3就是读不到

复现步骤

这是i2c的输出
[root@canaan /sharefs/execfile ]#dmesg | grep i2c
[ 2.764362] i2c /dev entries driver
[ 2.768338] i2c_designware 91405000.i2c: GPIO lookup for consumer scl
[ 2.774851] i2c_designware 91405000.i2c: using device tree for GPIO lookup
[ 2.781773] of_get_named_gpiod_flags: can't parse 'scl-gpios' property of node '/soc/i2c@91405000[0]'
[ 2.791033] of_get_named_gpiod_flags: can't parse 'scl-gpio' property of node '/soc/i2c@91405000[0]'
[ 2.800186] i2c_designware 91405000.i2c: using lookup tables for GPIO lookup
[ 2.807257] i2c_designware 91405000.i2c: No GPIO consumer scl found
[ 2.814373] i2c_designware 91406000.i2c: GPIO lookup for consumer scl
[ 2.820900] i2c_designware 91406000.i2c: using device tree for GPIO lookup
[ 2.827822] of_get_named_gpiod_flags: can't parse 'scl-gpios' property of node '/soc/i2c@91406000[0]'
[ 2.837083] of_get_named_gpiod_flags: can't parse 'scl-gpio' property of node '/soc/i2c@91406000[0]'
[ 2.846248] i2c_designware 91406000.i2c: using lookup tables for GPIO lookup
[ 2.853318] i2c_designware 91406000.i2c: No GPIO consumer scl found
[ 2.860657] i2c_designware 91407000.i2c: GPIO lookup for consumer scl
[ 2.867149] i2c_designware 91407000.i2c: using device tree for GPIO lookup
[ 2.874081] of_get_named_gpiod_flags: can't parse 'scl-gpios' property of node '/soc/i2c@91407000[0]'
[ 2.883336] of_get_named_gpiod_flags: can't parse 'scl-gpio' property of node '/soc/i2c@91407000[0]'
[ 2.892495] i2c_designware 91407000.i2c: using lookup tables for GPIO lookup
[ 2.899561] i2c_designware 91407000.i2c: No GPIO consumer scl found
[ 2.906725] i2c_designware 91408000.i2c: GPIO lookup for consumer scl
[ 2.913238] i2c_designware 91408000.i2c: using device tree for GPIO lookup
[ 2.920162] of_get_named_gpiod_flags: can't parse 'scl-gpios' property of node '/soc/i2c@91408000[0]'
[ 2.929427] of_get_named_gpiod_flags: can't parse 'scl-gpio' property of node '/soc/i2c@91408000[0]'
[ 2.938586] i2c_designware 91408000.i2c: using lookup tables for GPIO lookup
[ 2.945652] i2c_designware 91408000.i2c: No GPIO consumer scl found
这是设备树：
/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
*

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
1. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/dts-v1/;
#include

#define BANK_VOLTAGE_IO0_IO1 K230_MSC_1V8 // FIXED
#define BANK_VOLTAGE_IO2_IO13 K230_MSC_3V3
#define BANK_VOLTAGE_IO14_IO25 K230_MSC_3V3
#define BANK_VOLTAGE_IO26_IO37 K230_MSC_3V3
#define BANK_VOLTAGE_IO38_IO49 K230_MSC_3V3
#define BANK_VOLTAGE_IO50_IO61 K230_MSC_3V3
#define BANK_VOLTAGE_IO62_IO63 K230_MSC_3V3
#include "k230.dtsi"

/ {
model = "kendryte k230 canmv v2";
compatible = "kendryte,k230_canmv_v2";

memory@0 {
	device_type = "memory";
	reg = <
			0x0 0 0x0 0x20000000
		  >;
};

};

&mmc0 {
status = "okay";
};

&mmc1 {
status = "okay";
};

&usbotg1 {
status = "okay";
};

&iomux {
pinctrl-names = "default";
pinctrl-0 = <&pins>;

// Please pay attention to the bank voltage! will damage the chip.
pins: iomux_pins {
u-boot,dm-pre-reloc;
pinctrl-single,pins = <

	// boot
	(IO0 ) ( 1< OV5647
	(IO13) ( 1< camera
	(IO40) ( 0< camera
	(IO41) ( 0< TFCARD
	(IO54) ( 2<;
};

};

硬件板卡

k230_canmv_v3

软件版本

sdk

wjx · Answer

用的那套sdk？双系统sdk吗？

i2c无法使用

问题描述

复现步骤

硬件板卡

软件版本

1 Answers