@@ -220,6 +220,7 @@ void enable_basic_clocks(void)
&cmper->gpio2clkctrl,
&cmper->gpio3clkctrl,
&cmper->i2c1clkctrl,
+ &cmper->i2c2clkctrl,
&cmper->cpgmac0clkctrl,
&cmper->spi0clkctrl,
&cmrtc->rtcclkctrl,
@@ -76,8 +76,10 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
void do_board_detect(void)
{
enable_i2c0_pin_mux();
+ enable_i2c2_pin_mux();
#ifndef CONFIG_DM_I2C
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED2, CONFIG_SYS_OMAP24_I2C_SLAVE2);
#endif
if (ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
CONFIG_EEPROM_CHIP_ADDRESS))
@@ -93,5 +93,6 @@ void enable_uart3_pin_mux(void);
void enable_uart4_pin_mux(void);
void enable_uart5_pin_mux(void);
void enable_i2c0_pin_mux(void);
+void enable_i2c2_pin_mux(void);
void enable_board_pin_mux(void);
#endif
@@ -124,6 +124,14 @@ static struct module_pin_mux i2c1_pin_mux[] = {
{-1},
};
+static struct module_pin_mux i2c2_pin_mux[] = {
+ {OFFSET(uart1_ctsn), (MODE(3) | RXACTIVE |
+ PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* I2C_DATA */
+ {OFFSET(uart1_rtsn), (MODE(3) | RXACTIVE |
+ PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* I2C_SCLK */
+ {-1},
+};
+
static struct module_pin_mux spi0_pin_mux[] = {
{OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_SCLK */
{OFFSET(spi0_d0), (MODE(0) | RXACTIVE |
@@ -308,6 +316,11 @@ void enable_i2c0_pin_mux(void)
configure_module_pin_mux(i2c0_pin_mux);
}
+void enable_i2c2_pin_mux(void)
+{
+ configure_module_pin_mux(i2c2_pin_mux);
+}
+
/*
* The AM335x GP EVM, if daughter card(s) are connected, can have 8
* different profiles. These profiles determine what peripherals are
@@ -367,6 +380,7 @@ void enable_board_pin_mux(void)
#else
configure_module_pin_mux(mmc1_pin_mux);
#endif
+ configure_module_pin_mux(i2c2_pin_mux);
} else if (board_is_gp_evm()) {
/* General Purpose EVM */
unsigned short profile = detect_daughter_board_profile();
@@ -411,6 +425,7 @@ void enable_board_pin_mux(void)
#else
configure_module_pin_mux(mmc1_pin_mux);
#endif
+ configure_module_pin_mux(i2c2_pin_mux);
} else if (board_is_pb()) {
configure_module_pin_mux(mii1_pin_mux);
configure_module_pin_mux(mmc0_pin_mux);
The am335x from BeagleBone use i2c EEPROM to detect capes. The memory is wired to i2c bus 2 therefore it need to be enabled. Add i2c2 clock, pinmux description and pinmux enable function. Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> --- arch/arm/mach-omap2/am33xx/clock_am33xx.c | 1 + board/ti/am335x/board.c | 2 ++ board/ti/am335x/board.h | 1 + board/ti/am335x/mux.c | 15 +++++++++++++++ 4 files changed, 19 insertions(+)