* OMAP3-specific clock framework functions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
- * Copyright (C) 2007-2008 Nokia Corporation
+ * Copyright (C) 2007-2009 Nokia Corporation
*
* Written by Paul Walmsley
* Testing and integration fixes by Jouni Högander
static const struct clkops clkops_noncore_dpll_ops;
+static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit);
+static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit);
+static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit);
+
+static const struct clkops clkops_omap3430es2_ssi_wait = {
+ .enable = omap2_dflt_clk_enable,
+ .disable = omap2_dflt_clk_disable,
+ .find_idlest = omap3430es2_clk_ssi_find_idlest,
+ .find_companion = omap2_clk_dflt_find_companion,
+};
+
+static const struct clkops clkops_omap3430es2_hsotgusb_wait = {
+ .enable = omap2_dflt_clk_enable,
+ .disable = omap2_dflt_clk_disable,
+ .find_idlest = omap3430es2_clk_hsotgusb_find_idlest,
+ .find_companion = omap2_clk_dflt_find_companion,
+};
+
+static const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
+ .enable = omap2_dflt_clk_enable,
+ .disable = omap2_dflt_clk_disable,
+ .find_idlest = omap3430es2_clk_dss_usbhost_find_idlest,
+ .find_companion = omap2_clk_dflt_find_companion,
+};
+
#include "clock34xx.h"
struct omap_clk {
CLK(NULL, "fshostusb_fck", &fshostusb_fck, CK_3430ES1),
CLK(NULL, "core_12m_fck", &core_12m_fck, CK_343X),
CLK("omap_hdq.0", "fck", &hdq_fck, CK_343X),
- CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck, CK_343X),
- CLK(NULL, "ssi_sst_fck", &ssi_sst_fck, CK_343X),
+ CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck_3430es1, CK_3430ES1),
+ CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck_3430es2, CK_3430ES2),
+ CLK(NULL, "ssi_sst_fck", &ssi_sst_fck_3430es1, CK_3430ES1),
+ CLK(NULL, "ssi_sst_fck", &ssi_sst_fck_3430es2, CK_3430ES2),
CLK(NULL, "core_l3_ick", &core_l3_ick, CK_343X),
- CLK("musb_hdrc", "ick", &hsotgusb_ick, CK_343X),
+ CLK("musb_hdrc", "ick", &hsotgusb_ick_3430es1, CK_3430ES1),
+ CLK("musb_hdrc", "ick", &hsotgusb_ick_3430es2, CK_3430ES2),
CLK(NULL, "sdrc_ick", &sdrc_ick, CK_343X),
CLK(NULL, "gpmc_fck", &gpmc_fck, CK_343X),
CLK(NULL, "security_l3_ick", &security_l3_ick, CK_343X),
CLK(NULL, "mailboxes_ick", &mailboxes_ick, CK_343X),
CLK(NULL, "omapctrl_ick", &omapctrl_ick, CK_343X),
CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_343X),
- CLK(NULL, "ssi_ick", &ssi_ick, CK_343X),
+ CLK(NULL, "ssi_ick", &ssi_ick_3430es1, CK_3430ES1),
+ CLK(NULL, "ssi_ick", &ssi_ick_3430es2, CK_3430ES2),
CLK(NULL, "usb_l4_ick", &usb_l4_ick, CK_3430ES1),
CLK(NULL, "security_l4_ick2", &security_l4_ick2, CK_343X),
CLK(NULL, "aes1_ick", &aes1_ick, CK_343X),
CLK("omap_rng", "ick", &rng_ick, CK_343X),
CLK(NULL, "sha11_ick", &sha11_ick, CK_343X),
CLK(NULL, "des1_ick", &des1_ick, CK_343X),
- CLK("omapfb", "dss1_fck", &dss1_alwon_fck, CK_343X),
+ CLK("omapfb", "dss1_fck", &dss1_alwon_fck_3430es1, CK_3430ES1),
+ CLK("omapfb", "dss1_fck", &dss1_alwon_fck_3430es2, CK_3430ES2),
CLK("omapfb", "tv_fck", &dss_tv_fck, CK_343X),
CLK("omapfb", "video_fck", &dss_96m_fck, CK_343X),
CLK("omapfb", "dss2_fck", &dss2_alwon_fck, CK_343X),
- CLK("omapfb", "ick", &dss_ick, CK_343X),
+ CLK("omapfb", "ick", &dss_ick_3430es1, CK_3430ES1),
+ CLK("omapfb", "ick", &dss_ick_3430es2, CK_3430ES2),
CLK(NULL, "cam_mclk", &cam_mclk, CK_343X),
CLK(NULL, "cam_ick", &cam_ick, CK_343X),
CLK(NULL, "csi2_96m_fck", &csi2_96m_fck, CK_343X),
*/
#define SDRC_MPURATE_LOOPS 96
+/**
+ * omap3430es2_clk_ssi_find_idlest - return CM_IDLEST info for SSI
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ *
+ * The OMAP3430ES2 SSI target CM_IDLEST bit is at a different shift
+ * from the CM_{I,F}CLKEN bit. Pass back the correct info via
+ * @idlest_reg and @idlest_bit. No return value.
+ */
+static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit)
+{
+ u32 r;
+
+ r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+ *idlest_reg = (__force void __iomem *)r;
+ *idlest_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT;
+}
+
+/**
+ * omap3430es2_clk_dss_usbhost_find_idlest - CM_IDLEST info for DSS, USBHOST
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ *
+ * Some OMAP modules on OMAP3 ES2+ chips have both initiator and
+ * target IDLEST bits. For our purposes, we are concerned with the
+ * target IDLEST bits, which exist at a different bit position than
+ * the *CLKEN bit position for these modules (DSS and USBHOST) (The
+ * default find_idlest code assumes that they are at the same
+ * position.) No return value.
+ */
+static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit)
+{
+ u32 r;
+
+ r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+ *idlest_reg = (__force void __iomem *)r;
+ /* USBHOST_IDLE has same shift */
+ *idlest_bit = OMAP3430ES2_ST_DSS_IDLE_SHIFT;
+}
+
+/**
+ * omap3430es2_clk_hsotgusb_find_idlest - return CM_IDLEST info for HSOTGUSB
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ *
+ * The OMAP3430ES2 HSOTGUSB target CM_IDLEST bit is at a different
+ * shift from the CM_{I,F}CLKEN bit. Pass back the correct info via
+ * @idlest_reg and @idlest_bit. No return value.
+ */
+static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit)
+{
+ u32 r;
+
+ r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+ *idlest_reg = (__force void __iomem *)r;
+ *idlest_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT;
+}
+
/**
* omap3_dpll_recalc - recalculate DPLL rate
* @clk: DPLL struct clk
{ .parent = NULL }
};
-static struct clk ssi_ssr_fck = {
+static struct clk ssi_ssr_fck_3430es1 = {
.name = "ssi_ssr_fck",
.ops = &clkops_omap2_dflt,
.init = &omap2_init_clksel_parent,
.recalc = &omap2_clksel_recalc,
};
-static struct clk ssi_sst_fck = {
+static struct clk ssi_ssr_fck_3430es2 = {
+ .name = "ssi_ssr_fck",
+ .ops = &clkops_omap3430es2_ssi_wait,
+ .init = &omap2_init_clksel_parent,
+ .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
+ .enable_bit = OMAP3430_EN_SSI_SHIFT,
+ .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
+ .clksel_mask = OMAP3430_CLKSEL_SSI_MASK,
+ .clksel = ssi_ssr_clksel,
+ .clkdm_name = "core_l4_clkdm",
+ .recalc = &omap2_clksel_recalc,
+};
+
+static struct clk ssi_sst_fck_3430es1 = {
.name = "ssi_sst_fck",
.ops = &clkops_null,
- .parent = &ssi_ssr_fck,
+ .parent = &ssi_ssr_fck_3430es1,
+ .fixed_div = 2,
+ .recalc = &omap2_fixed_divisor_recalc,
+};
+
+static struct clk ssi_sst_fck_3430es2 = {
+ .name = "ssi_sst_fck",
+ .ops = &clkops_null,
+ .parent = &ssi_ssr_fck_3430es2,
.fixed_div = 2,
.recalc = &omap2_fixed_divisor_recalc,
};
.recalc = &followparent_recalc,
};
-static struct clk hsotgusb_ick = {
+static struct clk hsotgusb_ick_3430es1 = {
.name = "hsotgusb_ick",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
+ .parent = &core_l3_ick,
+ .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+ .enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT,
+ .clkdm_name = "core_l3_clkdm",
+ .recalc = &followparent_recalc,
+};
+
+static struct clk hsotgusb_ick_3430es2 = {
+ .name = "hsotgusb_ick",
+ .ops = &clkops_omap3430es2_hsotgusb_wait,
.parent = &core_l3_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT,
.recalc = &followparent_recalc,
};
-static struct clk ssi_ick = {
+static struct clk ssi_ick_3430es1 = {
.name = "ssi_ick",
.ops = &clkops_omap2_dflt,
.parent = &ssi_l4_ick,
.recalc = &followparent_recalc,
};
+static struct clk ssi_ick_3430es2 = {
+ .name = "ssi_ick",
+ .ops = &clkops_omap3430es2_ssi_wait,
+ .parent = &ssi_l4_ick,
+ .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+ .enable_bit = OMAP3430_EN_SSI_SHIFT,
+ .clkdm_name = "core_l4_clkdm",
+ .recalc = &followparent_recalc,
+};
+
/* REVISIT: Technically the TRM claims that this is CORE_CLK based,
* but l4_ick makes more sense to me */
};
/* DSS */
-static struct clk dss1_alwon_fck = {
+static struct clk dss1_alwon_fck_3430es1 = {
.name = "dss1_alwon_fck",
.ops = &clkops_omap2_dflt,
.parent = &dpll4_m4x2_ck,
.recalc = &followparent_recalc,
};
+static struct clk dss1_alwon_fck_3430es2 = {
+ .name = "dss1_alwon_fck",
+ .ops = &clkops_omap3430es2_dss_usbhost_wait,
+ .parent = &dpll4_m4x2_ck,
+ .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
+ .enable_bit = OMAP3430_EN_DSS1_SHIFT,
+ .clkdm_name = "dss_clkdm",
+ .recalc = &followparent_recalc,
+};
+
static struct clk dss_tv_fck = {
.name = "dss_tv_fck",
.ops = &clkops_omap2_dflt,
.recalc = &followparent_recalc,
};
-static struct clk dss_ick = {
+static struct clk dss_ick_3430es1 = {
/* Handles both L3 and L4 clocks */
.name = "dss_ick",
.ops = &clkops_omap2_dflt,
.recalc = &followparent_recalc,
};
+static struct clk dss_ick_3430es2 = {
+ /* Handles both L3 and L4 clocks */
+ .name = "dss_ick",
+ .ops = &clkops_omap3430es2_dss_usbhost_wait,
+ .parent = &l4_ick,
+ .init = &omap2_init_clk_clkdm,
+ .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN),
+ .enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT,
+ .clkdm_name = "dss_clkdm",
+ .recalc = &followparent_recalc,
+};
+
/* CAM */
static struct clk cam_mclk = {
static struct clk usbhost_120m_fck = {
.name = "usbhost_120m_fck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap2_dflt,
.parent = &dpll5_m2_ck,
.init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN),
static struct clk usbhost_48m_fck = {
.name = "usbhost_48m_fck",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap3430es2_dss_usbhost_wait,
.parent = &omap_48m_fck,
.init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN),
static struct clk usbhost_ick = {
/* Handles both L3 and L4 clocks */
.name = "usbhost_ick",
- .ops = &clkops_omap2_dflt_wait,
+ .ops = &clkops_omap3430es2_dss_usbhost_wait,
.parent = &l4_ick,
.init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN),
git.openpandora.org / pandora-kernel.git / commitdiff