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arm: am33xx: add pinmux and clock config for UART2 

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jan Luebbe 2013-05-23 11:45:57 +02:00 committed by Sascha Hauer
parent 2827883911
commit 0d0b92ddc7
4 changed files with 23 additions and 0 deletions
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8
arch/arm/mach-omap/am33xx_clock.c
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@ -89,6 +89,14 @@ static void per_clocks_enable(void)
__raw_writel(PRCM_MOD_EN, CM_WKUP_UART0_CLKCTRL);
while (__raw_readl(CM_WKUP_UART0_CLKCTRL) != PRCM_MOD_EN);
/* UART1 */
__raw_writel(PRCM_MOD_EN, CM_PER_UART1_CLKCTRL);
while (__raw_readl(CM_PER_UART1_CLKCTRL) != PRCM_MOD_EN);
/* UART2 */
__raw_writel(PRCM_MOD_EN, CM_PER_UART2_CLKCTRL);
while (__raw_readl(CM_PER_UART2_CLKCTRL) != PRCM_MOD_EN);
/* UART3 */
__raw_writel(PRCM_MOD_EN, CM_PER_UART3_CLKCTRL);
while (__raw_readl(CM_PER_UART3_CLKCTRL) != PRCM_MOD_EN);

11
arch/arm/mach-omap/am33xx_mux.c
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@ -27,6 +27,12 @@ static const __maybe_unused struct module_pin_mux uart0_pin_mux[] = {
{-1},
};
static const __maybe_unused struct module_pin_mux uart2_pin_mux[] = {
{OFFSET(mii1_txclk), (MODE(1) | PULLUDEN | RXACTIVE)}, /* UART2_RXD */
{OFFSET(mii1_rxclk), (MODE(1) | PULLUDEN)}, /* UART2_TXD */
{-1},
};
static const __maybe_unused struct module_pin_mux uart3_pin_mux[] = {
{OFFSET(spi0_cs1), (MODE(1) | PULLUDEN | RXACTIVE)}, /* UART3_RXD */
{OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)}, /* UART3_TXD */
@ -275,6 +281,11 @@ void am33xx_enable_uart0_pin_mux(void)
configure_module_pin_mux(uart0_pin_mux);
}
void am33xx_enable_uart2_pin_mux(void)
{
configure_module_pin_mux(uart2_pin_mux);
}
void am33xx_enable_mmc0_pin_mux(void)
{
configure_module_pin_mux(mmc0_pin_mux);

3
arch/arm/mach-omap/include/mach/am33xx-clock.h
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@ -136,7 +136,10 @@
#define CM_PER_GPIO1_CLKCTRL (CM_PER + 0xAC) /* GPIO1 */
#define CM_PER_GPIO2_CLKCTRL (CM_PER + 0xB0) /* GPIO2 */
#define CM_PER_GPIO3_CLKCTRL (CM_PER + 0xB4) /* GPIO3 */
#define CM_PER_UART1_CLKCTRL (CM_PER + 0x6C) /* UART1 */
#define CM_PER_UART2_CLKCTRL (CM_PER + 0x70) /* UART2 */
#define CM_PER_UART3_CLKCTRL (CM_PER + 0x74) /* UART3 */
#define CM_PER_UART4_CLKCTRL (CM_PER + 0x78) /* UART4 */
#define CM_PER_I2C1_CLKCTRL (CM_PER + 0x48) /* I2C1 */
#define CM_PER_I2C2_CLKCTRL (CM_PER + 0x44) /* I2C2 */
#define CM_WKUP_GPIO0_CLKCTRL (CM_WKUP + 0x8) /* GPIO0 */

1
arch/arm/mach-omap/include/mach/am33xx-mux.h
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@ -252,6 +252,7 @@ extern void am33xx_enable_i2c0_pin_mux(void);
extern void am33xx_enable_i2c1_pin_mux(void);
extern void am33xx_enable_i2c2_pin_mux(void);
extern void am33xx_enable_uart0_pin_mux(void);
extern void am33xx_enable_uart2_pin_mux(void);
extern void am33xx_enable_mmc0_pin_mux(void);
#endif /*__AM33XX_MUX_H__ */