OMAP4: clocks: Update the clock tree with 4460 clock nodes

Add the new clock nodes (bandgap_ts_fclk, div_ts_ck) for omap4460.
Handle these nodes using the clock flags (CK_*).

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 8c965671b4d4..639e00e0eac2 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -1486,6 +1486,40 @@ static struct clk dss_dss_clk = {
         .recalc         = &followparent_recalc,
 };
 
+static const struct clksel_rate div3_8to32_rates[] = {
+        { .div = 8, .val = 0, .flags = RATE_IN_44XX },
+        { .div = 16, .val = 1, .flags = RATE_IN_44XX },
+        { .div = 32, .val = 2, .flags = RATE_IN_44XX },
+        { .div = 0 },
+};
+
+static const struct clksel div_ts_div[] = {
+        { .parent = &l4_wkup_clk_mux_ck, .rates = div3_8to32_rates },
+        { .parent = NULL },
+};
+
+static struct clk div_ts_ck = {
+        .name           = "div_ts_ck",
+        .parent         = &l4_wkup_clk_mux_ck,
+        .clksel         = div_ts_div,
+        .clksel_reg     = OMAP4430_CM_WKUP_BANDGAP_CLKCTRL,
+        .clksel_mask    = OMAP4430_CLKSEL_24_25_MASK,
+        .ops            = &clkops_null,
+        .recalc         = &omap2_clksel_recalc,
+        .round_rate     = &omap2_clksel_round_rate,
+        .set_rate       = &omap2_clksel_set_rate,
+};
+
+static struct clk bandgap_ts_fclk = {
+        .name           = "bandgap_ts_fclk",
+        .ops            = &clkops_omap2_dflt,
+        .enable_reg     = OMAP4430_CM_WKUP_BANDGAP_CLKCTRL,
+        .enable_bit     = OMAP4460_OPTFCLKEN_TS_FCLK_SHIFT,
+        .clkdm_name     = "l4_wkup_clkdm",
+        .parent         = &div_ts_ck,
+        .recalc         = &followparent_recalc,
+};
+
 static struct clk dss_48mhz_clk = {
         .name           = "dss_48mhz_clk",
         .ops            = &clkops_omap2_dflt,
@@ -3110,7 +3144,9 @@ static struct omap_clk omap44xx_clks[] = {
         CLK(NULL,       "aes2_fck",                     &aes2_fck,      CK_443X),
         CLK(NULL,       "aess_fck",                     &aess_fck,      CK_443X),
         CLK(NULL,       "bandgap_fclk",                 &bandgap_fclk,  CK_443X),
+        CLK(NULL,       "bandgap_ts_fclk",              &bandgap_ts_fclk,       CK_446X),
         CLK(NULL,       "des3des_fck",                  &des3des_fck,   CK_443X),
+        CLK(NULL,       "div_ts_ck",                    &div_ts_ck,     CK_446X),
         CLK(NULL,       "dmic_sync_mux_ck",             &dmic_sync_mux_ck,      CK_443X),
         CLK(NULL,       "dmic_fck",                     &dmic_fck,      CK_443X),
         CLK(NULL,       "dsp_fck",                      &dsp_fck,       CK_443X),
@@ -3293,6 +3329,9 @@ int __init omap4xxx_clk_init(void)
         if (cpu_is_omap44xx()) {
                 cpu_mask = RATE_IN_4430;
                 cpu_clkflg = CK_443X;
+        } else if (cpu_is_omap446x()) {
+                cpu_mask = RATE_IN_4460;
+                cpu_clkflg = CK_446X;
         }
 
         clk_init(&omap2_clk_functions);
diff --git a/arch/arm/plat-omap/include/plat/clkdev_omap.h b/arch/arm/plat-omap/include/plat/clkdev_omap.h
index f1899a3e4174..387a9638991b 100644
--- a/arch/arm/plat-omap/include/plat/clkdev_omap.h
+++ b/arch/arm/plat-omap/include/plat/clkdev_omap.h
@@ -39,6 +39,7 @@ struct omap_clk {
 #define CK_36XX         (1 << 10)       /* 36xx/37xx-specific clocks */
 #define CK_443X         (1 << 11)
 #define CK_TI816X       (1 << 12)
+#define CK_446X         (1 << 13)
 
 
 #define CK_34XX         (CK_3430ES1 | CK_3430ES2PLUS)
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 006e599c6613..21b1beb23e5e 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -58,10 +58,12 @@ struct clkops {
 #define RATE_IN_36XX            (1 << 4)
 #define RATE_IN_4430            (1 << 5)
 #define RATE_IN_TI816X          (1 << 6)
+#define RATE_IN_4460            (1 << 7)
 
 #define RATE_IN_24XX            (RATE_IN_242X | RATE_IN_243X)
 #define RATE_IN_34XX            (RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
 #define RATE_IN_3XXX            (RATE_IN_34XX | RATE_IN_36XX)
+#define RATE_IN_44XX            (RATE_IN_4430 | RATE_IN_4460)
 
 /* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
 #define RATE_IN_3430ES2PLUS_36XX        (RATE_IN_3430ES2PLUS | RATE_IN_36XX)