OMAP2420: clock: add sdrc_ick

Add sdrc_ick to the OMAP2420 clock data so the clock code can control
the CM_AUTOIDLE bit associated with this clock.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>

2 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index 30fbcbd0ed81..63ed4816b920 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1608,6 +1608,21 @@ static struct clk sdma_ick = {
         .recalc         = &followparent_recalc,
 };
 
+/*
+ * The enable_reg/enable_bit in this clock is only used for CM_AUTOIDLE
+ * accesses derived from this data.
+ */
+static struct clk sdrc_ick = {
+        .name           = "sdrc_ick",
+        .ops            = &clkops_omap2_iclk_idle_only,
+        .parent         = &core_l3_ck,
+        .flags          = ENABLE_ON_INIT,
+        .clkdm_name     = "core_l3_clkdm",
+        .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
+        .enable_bit     = OMAP24XX_AUTO_SDRC_SHIFT,
+        .recalc         = &followparent_recalc,
+};
+
 static struct clk vlynq_ick = {
         .name           = "vlynq_ick",
         .ops            = &clkops_omap2_dflt_wait,
@@ -1869,6 +1884,7 @@ static struct omap_clk omap2420_clks[] = {
         CLK(NULL,       "gpmc_fck",     &gpmc_fck,      CK_242X),
         CLK(NULL,       "sdma_fck",     &sdma_fck,      CK_242X),
         CLK(NULL,       "sdma_ick",     &sdma_ick,      CK_242X),
+        CLK(NULL,       "sdrc_ick",     &sdrc_ick,      CK_242X),
         CLK(NULL,       "vlynq_ick",    &vlynq_ick,     CK_242X),
         CLK(NULL,       "vlynq_fck",    &vlynq_fck,     CK_242X),
         CLK(NULL,       "des_ick",      &des_ick,       CK_242X),
diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h
index d70660e82fe6..409c813eb2e2 100644
--- a/arch/arm/mach-omap2/cm-regbits-24xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-24xx.h
@@ -210,6 +210,7 @@
 #define OMAP24XX_AUTO_USB_MASK                          (1 << 0)
 
 /* CM_AUTOIDLE3_CORE */
+#define OMAP24XX_AUTO_SDRC_SHIFT                        2
 #define OMAP24XX_AUTO_SDRC_MASK                         (1 << 2)
 #define OMAP24XX_AUTO_GPMC_MASK                         (1 << 1)
 #define OMAP24XX_AUTO_SDMA_MASK                         (1 << 0)