OMAP3: MMC: Add mux for pins
For OMAP3 add MMC1 MMC2 pin mux MMC3 mux is not added as there are
multiple configurations possible, so the muxing is left to be done
in board file.
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Chikkature Rajashekar <madhu.cr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 894cc35..a2e9156 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -513,6 +513,47 @@
omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
}
}
+
+ if (cpu_is_omap3430()) {
+ if (controller_nr == 0) {
+ omap_cfg_reg(N28_3430_MMC1_CLK);
+ omap_cfg_reg(M27_3430_MMC1_CMD);
+ omap_cfg_reg(N27_3430_MMC1_DAT0);
+ if (mmc_controller->slots[0].wires == 4 ||
+ mmc_controller->slots[0].wires == 8) {
+ omap_cfg_reg(N26_3430_MMC1_DAT1);
+ omap_cfg_reg(N25_3430_MMC1_DAT2);
+ omap_cfg_reg(P28_3430_MMC1_DAT3);
+ }
+ if (mmc_controller->slots[0].wires == 8) {
+ omap_cfg_reg(P27_3430_MMC1_DAT4);
+ omap_cfg_reg(P26_3430_MMC1_DAT5);
+ omap_cfg_reg(R27_3430_MMC1_DAT6);
+ omap_cfg_reg(R25_3430_MMC1_DAT7);
+ }
+ }
+ if (controller_nr == 1) {
+ /* MMC2 */
+ omap_cfg_reg(AE2_3430_MMC2_CLK);
+ omap_cfg_reg(AG5_3430_MMC2_CMD);
+ omap_cfg_reg(AH5_3430_MMC2_DAT0);
+
+ /*
+ * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed
+ * in the board-*.c files
+ */
+ if (mmc_controller->slots[0].wires == 4 ||
+ mmc_controller->slots[0].wires == 8) {
+ omap_cfg_reg(AH4_3430_MMC2_DAT1);
+ omap_cfg_reg(AG4_3430_MMC2_DAT2);
+ omap_cfg_reg(AF4_3430_MMC2_DAT3);
+ }
+ }
+
+ /*
+ * For MMC3 the pins need to be muxed in the board-*.c files
+ */
+ }
}
void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,