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ARM: AM43xx: mux: Update mux data 

Updating the mux data for UART, and adding data for i2c0 and mmc.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2013-10-21 19:28:43 +05:30 committed by Tom Rini
parent 18e777e59e
commit 796a0c3ac1
2 changed files with 25 additions and 3 deletions
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4
arch/arm/include/asm/arch-am33xx/mux_am43xx.h
View File

@ -16,7 +16,9 @@
__raw_writel(value, (CTRL_BASE + offset));
/* PAD Control Fields */
#define SLEWCTRL (0x1 << 19)
#define DSPULLUDEN (0x1 << 27) /* DS0 mode Pull-Up/Down enable */
#define DSPULLUDDIS (0x0 << 27) /* DS0 mode Pull-Up/Down Disable */
#define SLEWCTRL (0x1 << 19) /* Slow slew rate selection */
#define RXACTIVE (0x1 << 18)
#define PULLDOWN_EN (0x0 << 17) /* Pull Down Selection */
#define PULLUP_EN (0x1 << 17) /* Pull Up Selection */

24
board/ti/am43xx/mux.c
View File

@ -12,8 +12,26 @@
#include "board.h"
static struct module_pin_mux uart0_pin_mux[] = {
{OFFSET(uart0_rxd), (MODE(0) | RXACTIVE)}, /* UART0_RXD */
{OFFSET(uart0_txd), (MODE(0))}, /* UART0_TXD */
{OFFSET(uart0_rxd),
(MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL | DSPULLUDEN)},
{OFFSET(uart0_txd),
(MODE(0) | PULLUDDIS | PULLUP_EN | SLEWCTRL | DSPULLUDEN)},
{-1},
};
static struct module_pin_mux mmc0_pin_mux[] = {
{OFFSET(mmc0_clk), (MODE(0) | PULLUDDIS | RXACTIVE | DSPULLUDEN)},
{OFFSET(mmc0_cmd), (MODE(0) | PULLUP_EN | RXACTIVE | DSPULLUDEN)},
{OFFSET(mmc0_dat0), (MODE(0) | PULLUP_EN | RXACTIVE | DSPULLUDEN)},
{OFFSET(mmc0_dat1), (MODE(0) | PULLUP_EN | RXACTIVE | DSPULLUDEN)},
{OFFSET(mmc0_dat2), (MODE(0) | PULLUP_EN | RXACTIVE | DSPULLUDEN)},
{OFFSET(mmc0_dat3), (MODE(0) | PULLUP_EN | RXACTIVE | DSPULLUDEN)},
{-1},
};
static struct module_pin_mux i2c0_pin_mux[] = {
{OFFSET(i2c0_sda), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{OFFSET(i2c0_scl), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{-1},
};
@ -24,4 +42,6 @@ void enable_uart0_pin_mux(void)
void enable_board_pin_mux(void)
{
configure_module_pin_mux(mmc0_pin_mux);
configure_module_pin_mux(i2c0_pin_mux);
}