linux-kernel - [MXS MMC 3/5] Add support for SSP/MMC ports 2 & 3

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Date:	Tue,  6 Dec 2011 14:41:28 +0100
From:	Lothar Waßmann <LW@...O-electronics.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Shawn Guo <shawn.guo@...aro.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Chris Ball <cjb@...top.org>,
	Lothar Waßmann <LW@...O-electronics.de>
Subject: [MXS MMC 3/5] 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@...O-electronics.de>
---
 arch/arm/mach-mxs/clock-mx28.c               |    4 ++++
 arch/arm/mach-mxs/devices/platform-mxs-mmc.c |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index fc86b04..b8cc458 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -625,6 +625,8 @@ 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)
@@ -774,6 +776,8 @@ 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_enable(&cpu_clk);
 	clk_enable(&hbus_clk);
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-mmc.c b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
index 382dacb..bef9d92 100644
--- a/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
+++ b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
@@ -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
 
-- 
1.5.6.5

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