From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bo Shen Date: Fri, 20 Mar 2015 17:44:12 +0800 Subject: [U-Boot] question about software i2c multi instance Message-ID: <550BEBEC.7060609@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Heiko, After check the software i2c code, I found it can not support multi instances, although it has I2C_SOFT_DECLARATIONS2, I2C_SOFT_DECLARATIONS3, I2C_SOFT_DECLARATIONS4. Because, when do GPIO operation, there is only one pair of CONFIG_SOFT_I2C_GPIO_SCL and CONFIG_SOFT_I2C_GPIO_SDA. So, if want to support multi instances, it needs to extend the GPIO configuration for SCL/SDA, am I right? Thanks. Best Regards, Bo Shen