From: Bernhard Messerklinger Date: Fri, 4 Apr 2025 07:27:58 +0000 (+0200) Subject: board/BuR/common: add parameter for reset controller I2C bus selection X-Git-Tag: v2025.07-rc1~52^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d294e70eee8a98bdc61bf5e6dcf3d25e134df03a;p=pandora-u-boot.git board/BuR/common: add parameter for reset controller I2C bus selection Normally B&R reset controllers are located at I2C bus 0. This patch adds the possibility to change this bus number with the kconfig option BR_RESETC_I2CBUS. Signed-off-by: Bernhard Messerklinger Link: https://lore.kernel.org/r/20250404072819.69642-3-bernhard.messerklinger@br-automation.com Signed-off-by: Michal Simek --- diff --git a/board/BuR/common/Kconfig b/board/BuR/common/Kconfig new file mode 100644 index 00000000000..490201e7407 --- /dev/null +++ b/board/BuR/common/Kconfig @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# B&R Industrial Automation GmbH - http://www.br-automation.com + +config BR_RESETC_I2CBUS + int "I2C Bus address of B&R reset controller" + depends on SYS_VENDOR = "BuR" && DM_I2C + default 0 diff --git a/board/BuR/common/br_resetc.c b/board/BuR/common/br_resetc.c index f5d09fef3d3..248064f974b 100644 --- a/board/BuR/common/br_resetc.c +++ b/board/BuR/common/br_resetc.c @@ -52,10 +52,16 @@ static int resetc_init(void) { struct udevice *i2cbus; int rc; +#if !defined(BR_RESETC_I2CBUS) + int busno = 0; +#else + int busno = CONFIG_BR_RESETC_I2CBUS; +#endif + + rc = uclass_get_device_by_seq(UCLASS_I2C, busno, &i2cbus); - rc = uclass_get_device_by_seq(UCLASS_I2C, 0, &i2cbus); if (rc) { - printf("Cannot find I2C bus #0!\n"); + printf("Cannot find I2C bus #%d!\n", busno); return -1; }