AM35xx: Add clock support for new modules on AM35xx
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@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
diff --git a/arch/arm/mach-omap2/clock34xx_data.c b/arch/arm/mach-omap2/clock34xx_data.c
index 8728f1f..221e831 100644
--- a/arch/arm/mach-omap2/clock34xx_data.c
+++ b/arch/arm/mach-omap2/clock34xx_data.c
@@ -2983,6 +2983,113 @@
.recalc = &followparent_recalc,
};
+/* Clocks for AM35XX */
+static struct clk ipss_ick = {
+ .name = "ipss_ick",
+ .ops = &clkops_am35xx_ipss_wait,
+ .parent = &core_l3_ick,
+ .clkdm_name = "core_l3_clkdm",
+ .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+ .enable_bit = AM35XX_EN_IPSS_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk emac_ick = {
+ .name = "emac_ick",
+ .ops = &clkops_am35xx_ipss_module_wait,
+ .parent = &ipss_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 rmii_ck = {
+ .name = "rmii_ck",
+ .ops = &clkops_null,
+ .flags = RATE_FIXED,
+ .rate = 50000000,
+};
+
+static struct clk emac_fck = {
+ .name = "emac_fck",
+ .ops = &clkops_omap2_dflt,
+ .parent = &rmii_ck,
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_CPGMAC_FCLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk hsotgusb_ick_am35xx = {
+ .name = "hsotgusb_ick",
+ .ops = &clkops_am35xx_ipss_module_wait,
+ .parent = &ipss_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_am35xx_ipss_module_wait,
+ .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_am35xx_ipss_module_wait,
+ .parent = &ipss_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 pclk_ck = {
+ .name = "pclk_ck",
+ .ops = &clkops_null,
+ .flags = RATE_FIXED,
+ .rate = 27000000,
+};
+
+static struct clk vpfe_fck = {
+ .name = "vpfe_fck",
+ .ops = &clkops_omap2_dflt,
+ .parent = &pclk_ck,
+ .enable_reg = OMAP343X_CTRL_REGADDR(AM35XX_CONTROL_IPSS_CLK_CTRL),
+ .enable_bit = AM35XX_VPFE_FCLK_SHIFT,
+ .recalc = &followparent_recalc,
+};
+
+/*
+ * The UART1/2 functional clock acts as the functional
+ * clock for UART4. No separate fclk control available.
+ */
+static struct clk uart4_ick_am35xx = {
+ .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 +3316,17 @@
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(NULL, "ipss_ick", &ipss_ick, CK_AM35XX),
+ CLK(NULL, "rmii_ck", &rmii_ck, CK_AM35XX),
+ CLK(NULL, "pclk_ck", &pclk_ck, CK_AM35XX),
+ CLK("davinci_emac", "ick", &emac_ick, CK_AM35XX),
+ CLK("davinci_emac", "fck", &emac_fck, CK_AM35XX),
+ CLK("vpfe-capture", "master", &vpfe_ick, CK_AM35XX),
+ CLK("vpfe-capture", "slave", &vpfe_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(NULL, "uart4_ick", &uart4_ick_am35xx, CK_AM35XX),
};