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arm/mxs: Add support for SSP/MMC ports 2 & 3 

i.MX28 has four SSP/MMC units, only two of which are currently
usable.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Lothar Waßmann 2011-12-06 14:41:28 +01:00 committed by Shawn Guo
parent dcd6c92267
commit bfc0b9c8a9
2 changed files with 6 additions and 0 deletions
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4
arch/arm/mach-mxs/clock-mx28.c
View File

@ -654,6 +654,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
_REGISTER_CLOCK("mxs-mmc.0", NULL, ssp0_clk)
_REGISTER_CLOCK("mxs-mmc.1", NULL, ssp1_clk)
_REGISTER_CLOCK("mxs-mmc.2", NULL, ssp2_clk)
_REGISTER_CLOCK("mxs-mmc.3", NULL, ssp3_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can0_clk)
_REGISTER_CLOCK("flexcan.1", NULL, can1_clk)
_REGISTER_CLOCK(NULL, "usb0", usb0_clk)
@ -803,6 +805,8 @@ int __init mx28_clocks_init(void)
*/
clk_set_parent(&ssp0_clk, &ref_io0_clk);
clk_set_parent(&ssp1_clk, &ref_io0_clk);
clk_set_parent(&ssp2_clk, &ref_io1_clk);
clk_set_parent(&ssp3_clk, &ref_io1_clk);
clk_prepare_enable(&cpu_clk);
clk_prepare_enable(&hbus_clk);

2
arch/arm/mach-mxs/devices/platform-mxs-mmc.c
View File

@ -41,6 +41,8 @@ const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst = {
const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst = {
mxs_mxs_mmc_data_entry(MX28, 0, 0),
mxs_mxs_mmc_data_entry(MX28, 1, 1),
mxs_mxs_mmc_data_entry(MX28, 2, 2),
mxs_mxs_mmc_data_entry(MX28, 3, 3),
};
#endif