[ARM] OMAP24xx clock: add missing SSI L4 interface clock

This patch adds a missing OMAP24xx clock, the SSI L4 interface clock,
as "ssi_l4_ick".

linux-omap source commit is ace129d39b3107d330d4cf6934385d13521f2fec.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-omap2/clock24xx.c

@@ -112,6 +112,7 @@ static struct omap_clk omap24xx_clks[] = {
 	CLK(NULL,	"usb_l4_ick",	&usb_l4_ick,	CK_243X | CK_242X),
 	/* L4 domain clocks */
 	CLK(NULL,	"l4_ck",	&l4_ck,		CK_243X | CK_242X),
+	CLK(NULL,	"ssi_l4_ick",	&ssi_l4_ick,	CK_243X | CK_242X),
 	/* virtual meta-group clock */
 	CLK(NULL,	"virt_prcm_set", &virt_prcm_set, CK_243X | CK_242X),
 	/* general l4 interface ck, multi-parent functional clk */

arch/arm/mach-omap2/clock24xx.h

@@ -1276,6 +1276,20 @@ static struct clk ssi_ssr_sst_fck = {
 	.set_rate	= &omap2_clksel_set_rate
 };
 
+/*
+ * Presumably this is the same as SSI_ICLK.
+ * TRM contradicts itself on what clockdomain SSI_ICLK is in
+ */
+static struct clk ssi_l4_ick = {
+	.name		= "ssi_l4_ick",
+	.ops		= &clkops_omap2_dflt_wait,
+	.parent		= &l4_ck,
+	.clkdm_name	= "core_l4_clkdm",
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
+	.enable_bit	= OMAP24XX_EN_SSI_SHIFT,
+	.recalc		= &followparent_recalc,
+};
+
 
 /*
  * GFX clock domain