[PATCH 1/2] arm: am33xx: add pinmux and clock config for UART2

[Jan Luebbe]

Signed-off-by: Jan Luebbe <jlu at pengutronix.de>
---
 arch/arm/mach-omap/am33xx_clock.c              |    8 ++++++++
 arch/arm/mach-omap/am33xx_mux.c                |   11 +++++++++++
 arch/arm/mach-omap/include/mach/am33xx-clock.h |    3 +++
 arch/arm/mach-omap/include/mach/am33xx-mux.h   |    1 +
 4 files changed, 23 insertions(+)

diff --git a/arch/arm/mach-omap/am33xx_clock.c b/arch/arm/mach-omap/am33xx_clock.c
index a28540c..4451d62 100644
--- a/arch/arm/mach-omap/am33xx_clock.c
+++ b/arch/arm/mach-omap/am33xx_clock.c
@@ -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);
diff --git a/arch/arm/mach-omap/am33xx_mux.c b/arch/arm/mach-omap/am33xx_mux.c
index 36fe379..61014d9 100644
--- a/arch/arm/mach-omap/am33xx_mux.c
+++ b/arch/arm/mach-omap/am33xx_mux.c
@@ -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);
diff --git a/arch/arm/mach-omap/include/mach/am33xx-clock.h b/arch/arm/mach-omap/include/mach/am33xx-clock.h
index 2ecfc5f..3d1f074 100644
--- a/arch/arm/mach-omap/include/mach/am33xx-clock.h
+++ b/arch/arm/mach-omap/include/mach/am33xx-clock.h
@@ -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 */
diff --git a/arch/arm/mach-omap/include/mach/am33xx-mux.h b/arch/arm/mach-omap/include/mach/am33xx-mux.h
index 896e958..e0f7077 100644
--- a/arch/arm/mach-omap/include/mach/am33xx-mux.h
+++ b/arch/arm/mach-omap/include/mach/am33xx-mux.h
@@ -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__ */
-- 
1.7.10.4