This patch adds clock support for the following AM35xx modules
- Ethernet MAC
- CAN Controller (HECC)
- New MUSB OTG Controller with integrated Phy
- Video Processing Front End (VPFE)
- Additional UART (UART4)
Signed-off-by: Ranjith Lohithakshan <ranjithl@xxxxxx>
---
arch/arm/mach-omap2/clock34xx_data.c | 93 +++++++++++++++++++++++++++++++++
arch/arm/mach-omap2/cm-regbits-34xx.h | 6 ++
2 files changed, 99 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/clock34xx_data.c b/arch/arm/mach-omap2/clock34xx_data.c
index 043caed..d7942b3 100644
--- a/arch/arm/mach-omap2/clock34xx_data.c
+++ b/arch/arm/mach-omap2/clock34xx_data.c
@@ -2983,6 +2983,91 @@ static struct clk wdt1_fck = {
.recalc = &followparent_recalc,
};
+/* Clocks for AM35XX */
+static struct clk emac_ick = {
+ .name = "emac_ick",
+ .ops = &clkops_omap2_dflt,
+ .parent = &core_l3_ick,
+ .clkdm_name = "core_l3_clkdm",
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_CPGMAC_VBUSP_CLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk emac_fck = {
+ .name = "emac_fck",
+ .ops = &clkops_omap2_dflt,
+ .clkdm_name = "core_l3_clkdm",
+ .rate = 50000000,
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_CPGMAC_FCLK_SHIFT,
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk hsotgusb_ick_am35xx = {
+ .name = "hsotgusb_ick",
+ .ops = &clkops_omap2_dflt,
+ .parent = &core_l3_ick,
+ .clkdm_name = "core_l3_clkdm",
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_USBOTG_VBUSP_CLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk hsotgusb_fck_am35xx = {
+ .name = "hsotgusb_fck",
+ .ops = &clkops_omap2_dflt,
+ .parent = &sys_ck,
+ .clkdm_name = "core_l3_clkdm",
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_USBOTG_FCLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk hecc_ck = {
+ .name = "hecc_ck",
+ .ops = &clkops_omap2_dflt,
+ .parent = &sys_ck,
+ .clkdm_name = "core_l3_clkdm",
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_HECC_VBUSP_CLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk vpfe_ick = {
+ .name = "vpfe_ick",
+ .ops = &clkops_omap2_dflt,
+ .parent = &core_l3_ick,
+ .clkdm_name = "core_l3_clkdm",
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_VPFE_VBUSP_CLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk vpfe_fck = {
+ .name = "vpfe_fck",
+ .ops = &clkops_omap2_dflt,
+ .clkdm_name = "core_l3_clkdm",
+ .rate = 27000000,
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_VPFE_FCLK_SHIFT,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * The UART1/2 functional clock acts as the functional
+ * clock for UART4. No separate fclk control available.
+ */
+static struct clk uart4_ick = {
+ .name = "uart4_ick",
+ .ops = &clkops_omap2_dflt_wait,
+ .parent = &core_l4_ick,
+ .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+ .enable_bit = AM35XX_EN_UART4_SHIFT,
+ .clkdm_name = "core_l4_clkdm",
+ .recalc = &followparent_recalc,
+};
+
/*
* clkdev
@@ -3209,6 +3294,14 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "secure_32k_fck", &secure_32k_fck, CK_3XXX),
CLK(NULL, "gpt12_fck", &gpt12_fck, CK_3XXX),
CLK(NULL, "wdt1_fck", &wdt1_fck, CK_3XXX),
+ CLK("davinci_emac", "ick", &emac_ick, CK_AM35XX),
+ CLK("davinci_emac", "fck", &emac_fck, CK_AM35XX),
+ CLK("musb_hdrc", "ick", &hsotgusb_ick_am35xx, CK_AM35XX),
+ CLK("musb_hdrc", "fck", &hsotgusb_fck_am35xx, CK_AM35XX),
+ CLK(NULL, "hecc_ck", &hecc_ck, CK_AM35XX),
+ CLK("vpfe-capture", "master", &vpfe_ick, CK_AM35XX),
+ CLK("vpfe-capture", "slave", &vpfe_fck, CK_AM35XX),
+ CLK(NULL, "uart4_ick", &uart4_ick, CK_AM35XX),
};
diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h
index 6923deb..39caf48 100644
--- a/arch/arm/mach-omap2/cm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-34xx.h
@@ -168,6 +168,12 @@
#define OMAP3430_EN_SDRC (1 << 1)
#define OMAP3430_EN_SDRC_SHIFT 1
+/*
+ * On AM35XX MSPro is replaced by another UART (UART4)
+ */
+#define AM35XX_EN_UART4 (1 << 23)
+#define AM35XX_EN_UART4_SHIFT 23
+
/* CM_ICLKEN2_CORE */
#define OMAP3430_EN_PKA (1 << 4)
#define OMAP3430_EN_PKA_SHIFT 4
--
1.6.2.4
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
