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authorOlof Johansson <olof@lixom.net>2012-09-20 21:16:43 -0700
committerOlof Johansson <olof@lixom.net>2012-09-20 21:16:43 -0700
commitea832c41dacbc4a5f3888d9ef7c38213914aba2a (patch)
treebee97817d9a55f000e2bec5fa5d62d325050e6a6 /drivers/clk/ux500
parentb74aae9a2074e1caa2e40bf119f3a633f77c94e4 (diff)
parent84bae6c379e362aa017efd417199f51d5c2273ac (diff)
Merge branch 'next/dt' into next/multiplatform
* next/dt: (182 commits) ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support ARM: tegra: Add Avionic Design Medcom-Wide support ARM: tegra: Add Avionic Design Plutux support ARM: tegra: Add Avionic Design Tamonten support ARM: tegra: dts: Add pwm label ARM: dt: tegra: whistler: configure power off ARM: mxs: m28evk: Disable OCOTP OUI loading ARM: imx6q: use pll2_pfd2_396m as the enfc_sel's parent ARM: dts: imx6q-sabrelite: add usbotg pinctrl support ARM: dts: imx23-olinuxino: Add USB host support ARM: dts: imx6q-sabrelite: add usbmisc device ARM: dts: mx23: Add USB resources ARM: dts: mxs: Add ethernetX to macX aliases ARM: msm: Remove non-DT targets from 8960 ARM: msm: Add DT support for 8960 ARM: msm: Move io mapping prototypes to common.h ARM: msm: Rename board-msm8x60 to signify its DT only status ARM: msm: Make 8660 a DT only target ARM: msm: Move 8660 to DT timer ARM: msm: Add DT support to msm_timer ...
Diffstat (limited to 'drivers/clk/ux500')
-rw-r--r--drivers/clk/ux500/Makefile12
-rw-r--r--drivers/clk/ux500/clk-prcc.c164
-rw-r--r--drivers/clk/ux500/clk-prcmu.c252
-rw-r--r--drivers/clk/ux500/clk.h48
-rw-r--r--drivers/clk/ux500/u8500_clk.c477
-rw-r--r--drivers/clk/ux500/u8540_clk.c21
-rw-r--r--drivers/clk/ux500/u9540_clk.c21
7 files changed, 995 insertions, 0 deletions
diff --git a/drivers/clk/ux500/Makefile b/drivers/clk/ux500/Makefile
new file mode 100644
index 000000000000..858fbfe66281
--- /dev/null
+++ b/drivers/clk/ux500/Makefile
@@ -0,0 +1,12 @@
+#
+# Makefile for ux500 clocks
+#
+
+# Clock types
+obj-y += clk-prcc.o
+obj-y += clk-prcmu.o
+
+# Clock definitions
+obj-y += u8500_clk.o
+obj-y += u9540_clk.o
+obj-y += u8540_clk.o
diff --git a/drivers/clk/ux500/clk-prcc.c b/drivers/clk/ux500/clk-prcc.c
new file mode 100644
index 000000000000..7eee7f768355
--- /dev/null
+++ b/drivers/clk/ux500/clk-prcc.c
@@ -0,0 +1,164 @@
+/*
+ * PRCC clock implementation for ux500 platform.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/clk-private.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/types.h>
+#include <mach/hardware.h>
+
+#include "clk.h"
+
+#define PRCC_PCKEN 0x000
+#define PRCC_PCKDIS 0x004
+#define PRCC_KCKEN 0x008
+#define PRCC_KCKDIS 0x00C
+#define PRCC_PCKSR 0x010
+#define PRCC_KCKSR 0x014
+
+#define to_clk_prcc(_hw) container_of(_hw, struct clk_prcc, hw)
+
+struct clk_prcc {
+ struct clk_hw hw;
+ void __iomem *base;
+ u32 cg_sel;
+ int is_enabled;
+};
+
+/* PRCC clock operations. */
+
+static int clk_prcc_pclk_enable(struct clk_hw *hw)
+{
+ struct clk_prcc *clk = to_clk_prcc(hw);
+
+ writel(clk->cg_sel, (clk->base + PRCC_PCKEN));
+ while (!(readl(clk->base + PRCC_PCKSR) & clk->cg_sel))
+ cpu_relax();
+
+ clk->is_enabled = 1;
+ return 0;
+}
+
+static void clk_prcc_pclk_disable(struct clk_hw *hw)
+{
+ struct clk_prcc *clk = to_clk_prcc(hw);
+
+ writel(clk->cg_sel, (clk->base + PRCC_PCKDIS));
+ clk->is_enabled = 0;
+}
+
+static int clk_prcc_kclk_enable(struct clk_hw *hw)
+{
+ struct clk_prcc *clk = to_clk_prcc(hw);
+
+ writel(clk->cg_sel, (clk->base + PRCC_KCKEN));
+ while (!(readl(clk->base + PRCC_KCKSR) & clk->cg_sel))
+ cpu_relax();
+
+ clk->is_enabled = 1;
+ return 0;
+}
+
+static void clk_prcc_kclk_disable(struct clk_hw *hw)
+{
+ struct clk_prcc *clk = to_clk_prcc(hw);
+
+ writel(clk->cg_sel, (clk->base + PRCC_KCKDIS));
+ clk->is_enabled = 0;
+}
+
+static int clk_prcc_is_enabled(struct clk_hw *hw)
+{
+ struct clk_prcc *clk = to_clk_prcc(hw);
+ return clk->is_enabled;
+}
+
+static struct clk_ops clk_prcc_pclk_ops = {
+ .enable = clk_prcc_pclk_enable,
+ .disable = clk_prcc_pclk_disable,
+ .is_enabled = clk_prcc_is_enabled,
+};
+
+static struct clk_ops clk_prcc_kclk_ops = {
+ .enable = clk_prcc_kclk_enable,
+ .disable = clk_prcc_kclk_disable,
+ .is_enabled = clk_prcc_is_enabled,
+};
+
+static struct clk *clk_reg_prcc(const char *name,
+ const char *parent_name,
+ resource_size_t phy_base,
+ u32 cg_sel,
+ unsigned long flags,
+ struct clk_ops *clk_prcc_ops)
+{
+ struct clk_prcc *clk;
+ struct clk_init_data clk_prcc_init;
+ struct clk *clk_reg;
+
+ if (!name) {
+ pr_err("clk_prcc: %s invalid arguments passed\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
+
+ clk = kzalloc(sizeof(struct clk_prcc), GFP_KERNEL);
+ if (!clk) {
+ pr_err("clk_prcc: %s could not allocate clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ clk->base = ioremap(phy_base, SZ_4K);
+ if (!clk->base)
+ goto free_clk;
+
+ clk->cg_sel = cg_sel;
+ clk->is_enabled = 1;
+
+ clk_prcc_init.name = name;
+ clk_prcc_init.ops = clk_prcc_ops;
+ clk_prcc_init.flags = flags;
+ clk_prcc_init.parent_names = (parent_name ? &parent_name : NULL);
+ clk_prcc_init.num_parents = (parent_name ? 1 : 0);
+ clk->hw.init = &clk_prcc_init;
+
+ clk_reg = clk_register(NULL, &clk->hw);
+ if (IS_ERR_OR_NULL(clk_reg))
+ goto unmap_clk;
+
+ return clk_reg;
+
+unmap_clk:
+ iounmap(clk->base);
+free_clk:
+ kfree(clk);
+ pr_err("clk_prcc: %s failed to register clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+}
+
+struct clk *clk_reg_prcc_pclk(const char *name,
+ const char *parent_name,
+ resource_size_t phy_base,
+ u32 cg_sel,
+ unsigned long flags)
+{
+ return clk_reg_prcc(name, parent_name, phy_base, cg_sel, flags,
+ &clk_prcc_pclk_ops);
+}
+
+struct clk *clk_reg_prcc_kclk(const char *name,
+ const char *parent_name,
+ resource_size_t phy_base,
+ u32 cg_sel,
+ unsigned long flags)
+{
+ return clk_reg_prcc(name, parent_name, phy_base, cg_sel, flags,
+ &clk_prcc_kclk_ops);
+}
diff --git a/drivers/clk/ux500/clk-prcmu.c b/drivers/clk/ux500/clk-prcmu.c
new file mode 100644
index 000000000000..930cdfeb47ab
--- /dev/null
+++ b/drivers/clk/ux500/clk-prcmu.c
@@ -0,0 +1,252 @@
+/*
+ * PRCMU clock implementation for ux500 platform.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/clk-private.h>
+#include <linux/mfd/dbx500-prcmu.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include "clk.h"
+
+#define to_clk_prcmu(_hw) container_of(_hw, struct clk_prcmu, hw)
+
+struct clk_prcmu {
+ struct clk_hw hw;
+ u8 cg_sel;
+ int is_enabled;
+};
+
+/* PRCMU clock operations. */
+
+static int clk_prcmu_prepare(struct clk_hw *hw)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ return prcmu_request_clock(clk->cg_sel, true);
+}
+
+static void clk_prcmu_unprepare(struct clk_hw *hw)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ if (prcmu_request_clock(clk->cg_sel, false))
+ pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
+ hw->init->name);
+}
+
+static int clk_prcmu_enable(struct clk_hw *hw)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ clk->is_enabled = 1;
+ return 0;
+}
+
+static void clk_prcmu_disable(struct clk_hw *hw)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ clk->is_enabled = 0;
+}
+
+static int clk_prcmu_is_enabled(struct clk_hw *hw)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ return clk->is_enabled;
+}
+
+static unsigned long clk_prcmu_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ return prcmu_clock_rate(clk->cg_sel);
+}
+
+static long clk_prcmu_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ return prcmu_round_clock_rate(clk->cg_sel, rate);
+}
+
+static int clk_prcmu_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+ return prcmu_set_clock_rate(clk->cg_sel, rate);
+}
+
+static int request_ape_opp100(bool enable)
+{
+ static int reqs;
+ int err = 0;
+
+ if (enable) {
+ if (!reqs)
+ err = prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP,
+ "clock", 100);
+ if (!err)
+ reqs++;
+ } else {
+ reqs--;
+ if (!reqs)
+ prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
+ "clock");
+ }
+ return err;
+}
+
+static int clk_prcmu_opp_prepare(struct clk_hw *hw)
+{
+ int err;
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+
+ err = request_ape_opp100(true);
+ if (err) {
+ pr_err("clk_prcmu: %s failed to request APE OPP100 for %s.\n",
+ __func__, hw->init->name);
+ return err;
+ }
+
+ err = prcmu_request_clock(clk->cg_sel, true);
+ if (err)
+ request_ape_opp100(false);
+
+ return err;
+}
+
+static void clk_prcmu_opp_unprepare(struct clk_hw *hw)
+{
+ struct clk_prcmu *clk = to_clk_prcmu(hw);
+
+ if (prcmu_request_clock(clk->cg_sel, false))
+ goto out_error;
+ if (request_ape_opp100(false))
+ goto out_error;
+ return;
+
+out_error:
+ pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
+ hw->init->name);
+}
+
+static struct clk_ops clk_prcmu_scalable_ops = {
+ .prepare = clk_prcmu_prepare,
+ .unprepare = clk_prcmu_unprepare,
+ .enable = clk_prcmu_enable,
+ .disable = clk_prcmu_disable,
+ .is_enabled = clk_prcmu_is_enabled,
+ .recalc_rate = clk_prcmu_recalc_rate,
+ .round_rate = clk_prcmu_round_rate,
+ .set_rate = clk_prcmu_set_rate,
+};
+
+static struct clk_ops clk_prcmu_gate_ops = {
+ .prepare = clk_prcmu_prepare,
+ .unprepare = clk_prcmu_unprepare,
+ .enable = clk_prcmu_enable,
+ .disable = clk_prcmu_disable,
+ .is_enabled = clk_prcmu_is_enabled,
+ .recalc_rate = clk_prcmu_recalc_rate,
+};
+
+static struct clk_ops clk_prcmu_rate_ops = {
+ .is_enabled = clk_prcmu_is_enabled,
+ .recalc_rate = clk_prcmu_recalc_rate,
+};
+
+static struct clk_ops clk_prcmu_opp_gate_ops = {
+ .prepare = clk_prcmu_opp_prepare,
+ .unprepare = clk_prcmu_opp_unprepare,
+ .enable = clk_prcmu_enable,
+ .disable = clk_prcmu_disable,
+ .is_enabled = clk_prcmu_is_enabled,
+ .recalc_rate = clk_prcmu_recalc_rate,
+};
+
+static struct clk *clk_reg_prcmu(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long rate,
+ unsigned long flags,
+ struct clk_ops *clk_prcmu_ops)
+{
+ struct clk_prcmu *clk;
+ struct clk_init_data clk_prcmu_init;
+ struct clk *clk_reg;
+
+ if (!name) {
+ pr_err("clk_prcmu: %s invalid arguments passed\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
+
+ clk = kzalloc(sizeof(struct clk_prcmu), GFP_KERNEL);
+ if (!clk) {
+ pr_err("clk_prcmu: %s could not allocate clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ clk->cg_sel = cg_sel;
+ clk->is_enabled = 1;
+ /* "rate" can be used for changing the initial frequency */
+ if (rate)
+ prcmu_set_clock_rate(cg_sel, rate);
+
+ clk_prcmu_init.name = name;
+ clk_prcmu_init.ops = clk_prcmu_ops;
+ clk_prcmu_init.flags = flags;
+ clk_prcmu_init.parent_names = (parent_name ? &parent_name : NULL);
+ clk_prcmu_init.num_parents = (parent_name ? 1 : 0);
+ clk->hw.init = &clk_prcmu_init;
+
+ clk_reg = clk_register(NULL, &clk->hw);
+ if (IS_ERR_OR_NULL(clk_reg))
+ goto free_clk;
+
+ return clk_reg;
+
+free_clk:
+ kfree(clk);
+ pr_err("clk_prcmu: %s failed to register clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+}
+
+struct clk *clk_reg_prcmu_scalable(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long rate,
+ unsigned long flags)
+{
+ return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
+ &clk_prcmu_scalable_ops);
+}
+
+struct clk *clk_reg_prcmu_gate(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long flags)
+{
+ return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
+ &clk_prcmu_gate_ops);
+}
+
+struct clk *clk_reg_prcmu_rate(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long flags)
+{
+ return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
+ &clk_prcmu_rate_ops);
+}
+
+struct clk *clk_reg_prcmu_opp_gate(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long flags)
+{
+ return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
+ &clk_prcmu_opp_gate_ops);
+}
diff --git a/drivers/clk/ux500/clk.h b/drivers/clk/ux500/clk.h
new file mode 100644
index 000000000000..836d7d16751e
--- /dev/null
+++ b/drivers/clk/ux500/clk.h
@@ -0,0 +1,48 @@
+/*
+ * Clocks for ux500 platforms
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef __UX500_CLK_H
+#define __UX500_CLK_H
+
+#include <linux/clk.h>
+
+struct clk *clk_reg_prcc_pclk(const char *name,
+ const char *parent_name,
+ unsigned int phy_base,
+ u32 cg_sel,
+ unsigned long flags);
+
+struct clk *clk_reg_prcc_kclk(const char *name,
+ const char *parent_name,
+ unsigned int phy_base,
+ u32 cg_sel,
+ unsigned long flags);
+
+struct clk *clk_reg_prcmu_scalable(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long rate,
+ unsigned long flags);
+
+struct clk *clk_reg_prcmu_gate(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long flags);
+
+struct clk *clk_reg_prcmu_rate(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long flags);
+
+struct clk *clk_reg_prcmu_opp_gate(const char *name,
+ const char *parent_name,
+ u8 cg_sel,
+ unsigned long flags);
+
+#endif /* __UX500_CLK_H */
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
new file mode 100644
index 000000000000..ca4a25ed844c
--- /dev/null
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -0,0 +1,477 @@
+/*
+ * Clock definitions for u8500 platform.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/mfd/dbx500-prcmu.h>
+#include <linux/platform_data/clk-ux500.h>
+
+#include "clk.h"
+
+void u8500_clk_init(void)
+{
+ struct prcmu_fw_version *fw_version;
+ const char *sgaclk_parent = NULL;
+ struct clk *clk;
+
+ /* Clock sources */
+ clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "soc0_pll", NULL);
+
+ clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "soc1_pll", NULL);
+
+ clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "ddr_pll", NULL);
+
+ /* FIXME: Add sys, ulp and int clocks here. */
+
+ clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED,
+ 32768);
+ clk_register_clkdev(clk, "clk32k", NULL);
+ clk_register_clkdev(clk, NULL, "rtc-pl031");
+
+ /* PRCMU clocks */
+ fw_version = prcmu_get_fw_version();
+ if (fw_version != NULL) {
+ switch (fw_version->project) {
+ case PRCMU_FW_PROJECT_U8500_C2:
+ case PRCMU_FW_PROJECT_U8520:
+ case PRCMU_FW_PROJECT_U8420:
+ sgaclk_parent = "soc0_pll";
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (sgaclk_parent)
+ clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
+ PRCMU_SGACLK, 0);
+ else
+ clk = clk_reg_prcmu_gate("sgclk", NULL,
+ PRCMU_SGACLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "mali");
+
+ clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "UART");
+
+ clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "MSP02");
+
+ clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "MSP1");
+
+ clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "I2C");
+
+ clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "slim");
+
+ clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH1");
+
+ clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH2");
+
+ clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH3");
+
+ clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH5");
+
+ clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH6");
+
+ clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH7");
+
+ clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "lcd");
+ clk_register_clkdev(clk, "lcd", "mcde");
+
+ clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "bml");
+
+ clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "hdmi");
+ clk_register_clkdev(clk, "hdmi", "mcde");
+
+ clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "apeat");
+
+ clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "apetrace");
+
+ clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "mcde");
+ clk_register_clkdev(clk, "mcde", "mcde");
+ clk_register_clkdev(clk, "dsisys", "dsilink.0");
+ clk_register_clkdev(clk, "dsisys", "dsilink.1");
+ clk_register_clkdev(clk, "dsisys", "dsilink.2");
+
+ clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "ipi2");
+
+ clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "dsialt");
+
+ clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "dma40.0");
+
+ clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "b2r2");
+ clk_register_clkdev(clk, NULL, "b2r2_core");
+ clk_register_clkdev(clk, NULL, "U8500-B2R2.0");
+
+ clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "tv");
+ clk_register_clkdev(clk, "tv", "mcde");
+
+ clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "SSP");
+
+ clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "rngclk");
+
+ clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "uicc");
+
+ /*
+ * FIXME: The MTU clocks might need some kind of "parent muxed join"
+ * and these have no K-clocks. For now, we ignore the missing
+ * connection to the corresponding P-clocks, p6_mtu0_clk and
+ * p6_mtu1_clk. Instead timclk is used which is the valid parent.
+ */
+ clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "mtu0");
+ clk_register_clkdev(clk, NULL, "mtu1");
+
+ clk = clk_reg_prcmu_gate("sdmmcclk", NULL, PRCMU_SDMMCCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "sdmmc");
+
+
+ clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
+ PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs2", "mcde");
+ clk_register_clkdev(clk, "dsihs2", "dsilink.2");
+
+
+ clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
+ PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs0", "mcde");
+ clk_register_clkdev(clk, "dsihs0", "dsilink.0");
+
+ clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
+ PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs1", "mcde");
+ clk_register_clkdev(clk, "dsihs1", "dsilink.1");
+
+ clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
+ PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsilp0", "dsilink.0");
+ clk_register_clkdev(clk, "dsilp0", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
+ PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsilp1", "dsilink.1");
+ clk_register_clkdev(clk, "dsilp1", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
+ PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsilp2", "dsilink.2");
+ clk_register_clkdev(clk, "dsilp2", "mcde");
+
+ clk = clk_reg_prcmu_rate("smp_twd", NULL, PRCMU_ARMSS,
+ CLK_IS_ROOT|CLK_GET_RATE_NOCACHE|
+ CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, NULL, "smp_twd");
+
+ /*
+ * FIXME: Add special handled PRCMU clocks here:
+ * 1. clk_arm, use PRCMU_ARMCLK.
+ * 2. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
+ * 3. ab9540_clkout1yuv, see clkout0yuv
+ */
+
+ /* PRCC P-clocks */
+ clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", U8500_CLKRST1_BASE,
+ BIT(0), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", U8500_CLKRST1_BASE,
+ BIT(1), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart1");
+
+ clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", U8500_CLKRST1_BASE,
+ BIT(2), 0);
+ clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", U8500_CLKRST1_BASE,
+ BIT(3), 0);
+ clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", U8500_CLKRST1_BASE,
+ BIT(4), 0);
+
+ clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", U8500_CLKRST1_BASE,
+ BIT(5), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", U8500_CLKRST1_BASE,
+ BIT(6), 0);
+
+ clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", U8500_CLKRST1_BASE,
+ BIT(7), 0);
+ clk_register_clkdev(clk, NULL, "spi3");
+
+ clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", U8500_CLKRST1_BASE,
+ BIT(8), 0);
+
+ clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", U8500_CLKRST1_BASE,
+ BIT(9), 0);
+ clk_register_clkdev(clk, NULL, "gpio.0");
+ clk_register_clkdev(clk, NULL, "gpio.1");
+ clk_register_clkdev(clk, NULL, "gpioblock0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", U8500_CLKRST1_BASE,
+ BIT(10), 0);
+ clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", U8500_CLKRST1_BASE,
+ BIT(11), 0);
+
+ clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", U8500_CLKRST2_BASE,
+ BIT(0), 0);
+
+ clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", U8500_CLKRST2_BASE,
+ BIT(1), 0);
+ clk_register_clkdev(clk, NULL, "spi2");
+
+ clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", U8500_CLKRST2_BASE,
+ BIT(2), 0);
+ clk_register_clkdev(clk, NULL, "spi1");
+
+ clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", U8500_CLKRST2_BASE,
+ BIT(3), 0);
+ clk_register_clkdev(clk, NULL, "pwl");
+
+ clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", U8500_CLKRST2_BASE,
+ BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi4");
+
+ clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", U8500_CLKRST2_BASE,
+ BIT(5), 0);
+
+ clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", U8500_CLKRST2_BASE,
+ BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi1");
+
+
+ clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", U8500_CLKRST2_BASE,
+ BIT(7), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi3");
+
+ clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", U8500_CLKRST2_BASE,
+ BIT(8), 0);
+ clk_register_clkdev(clk, NULL, "spi0");
+
+ clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", U8500_CLKRST2_BASE,
+ BIT(9), 0);
+ clk_register_clkdev(clk, "hsir_hclk", "ste_hsi.0");
+
+ clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", U8500_CLKRST2_BASE,
+ BIT(10), 0);
+ clk_register_clkdev(clk, "hsit_hclk", "ste_hsi.0");
+
+ clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", U8500_CLKRST2_BASE,
+ BIT(11), 0);
+ clk_register_clkdev(clk, NULL, "gpio.6");
+ clk_register_clkdev(clk, NULL, "gpio.7");
+ clk_register_clkdev(clk, NULL, "gpioblock1");
+
+ clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", U8500_CLKRST2_BASE,
+ BIT(11), 0);
+
+ clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", U8500_CLKRST3_BASE,
+ BIT(0), 0);
+ clk_register_clkdev(clk, NULL, "fsmc");
+
+ clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE,
+ BIT(1), 0);
+ clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", U8500_CLKRST3_BASE,
+ BIT(2), 0);
+ clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", U8500_CLKRST3_BASE,
+ BIT(3), 0);
+
+ clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", U8500_CLKRST3_BASE,
+ BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi2");
+
+ clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", U8500_CLKRST3_BASE,
+ BIT(5), 0);
+
+ clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", U8500_CLKRST3_BASE,
+ BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart2");
+
+ clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", U8500_CLKRST3_BASE,
+ BIT(7), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi5");
+
+ clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", U8500_CLKRST3_BASE,
+ BIT(8), 0);
+ clk_register_clkdev(clk, NULL, "gpio.2");
+ clk_register_clkdev(clk, NULL, "gpio.3");
+ clk_register_clkdev(clk, NULL, "gpio.4");
+ clk_register_clkdev(clk, NULL, "gpio.5");
+ clk_register_clkdev(clk, NULL, "gpioblock2");
+
+ clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", U8500_CLKRST5_BASE,
+ BIT(0), 0);
+ clk_register_clkdev(clk, "usb", "musb-ux500.0");
+
+ clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", U8500_CLKRST5_BASE,
+ BIT(1), 0);
+ clk_register_clkdev(clk, NULL, "gpio.8");
+ clk_register_clkdev(clk, NULL, "gpioblock3");
+
+ clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", U8500_CLKRST6_BASE,
+ BIT(0), 0);
+
+ clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", U8500_CLKRST6_BASE,
+ BIT(1), 0);
+ clk_register_clkdev(clk, NULL, "cryp0");
+ clk_register_clkdev(clk, NULL, "cryp1");
+
+ clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", U8500_CLKRST6_BASE,
+ BIT(2), 0);
+ clk_register_clkdev(clk, NULL, "hash0");
+
+ clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", U8500_CLKRST6_BASE,
+ BIT(3), 0);
+ clk_register_clkdev(clk, NULL, "pka");
+
+ clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", U8500_CLKRST6_BASE,
+ BIT(4), 0);
+ clk_register_clkdev(clk, NULL, "hash1");
+
+ clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", U8500_CLKRST6_BASE,
+ BIT(5), 0);
+ clk_register_clkdev(clk, NULL, "cfgreg");
+
+ clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", U8500_CLKRST6_BASE,
+ BIT(6), 0);
+ clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", U8500_CLKRST6_BASE,
+ BIT(7), 0);
+
+ /* PRCC K-clocks
+ *
+ * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
+ * by enabling just the K-clock, even if it is not a valid parent to
+ * the K-clock. Until drivers get fixed we might need some kind of
+ * "parent muxed join".
+ */
+
+ /* Periph1 */
+ clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
+ U8500_CLKRST1_BASE, BIT(0), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart0");
+
+ clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
+ U8500_CLKRST1_BASE, BIT(1), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart1");
+
+ clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
+ U8500_CLKRST1_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
+ U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
+ U8500_CLKRST1_BASE, BIT(4), CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
+ U8500_CLKRST1_BASE, BIT(5), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi0");
+
+ clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
+ U8500_CLKRST1_BASE, BIT(6), CLK_SET_RATE_GATE);
+ clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
+ U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
+ /* FIXME: Redefinition of BIT(3). */
+ clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
+ U8500_CLKRST1_BASE, BIT(9), CLK_SET_RATE_GATE);
+ clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
+ U8500_CLKRST1_BASE, BIT(10), CLK_SET_RATE_GATE);
+
+ /* Periph2 */
+ clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
+ U8500_CLKRST2_BASE, BIT(0), CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
+ U8500_CLKRST2_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi4");
+
+ clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
+ U8500_CLKRST2_BASE, BIT(3), CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
+ U8500_CLKRST2_BASE, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi1");
+
+ clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
+ U8500_CLKRST2_BASE, BIT(5), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi3");
+
+ /* Note that rate is received from parent. */
+ clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
+ U8500_CLKRST2_BASE, BIT(6),
+ CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
+ clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
+ U8500_CLKRST2_BASE, BIT(7),
+ CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
+
+ /* Periph3 */
+ clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
+ U8500_CLKRST3_BASE, BIT(1), CLK_SET_RATE_GATE);
+ clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
+ U8500_CLKRST3_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
+ U8500_CLKRST3_BASE, BIT(3), CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
+ U8500_CLKRST3_BASE, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi2");
+
+ clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
+ U8500_CLKRST3_BASE, BIT(5), CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
+ U8500_CLKRST3_BASE, BIT(6), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart2");
+
+ clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
+ U8500_CLKRST3_BASE, BIT(7), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi5");
+
+ /* Periph6 */
+ clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
+ U8500_CLKRST6_BASE, BIT(0), CLK_SET_RATE_GATE);
+
+}
diff --git a/drivers/clk/ux500/u8540_clk.c b/drivers/clk/ux500/u8540_clk.c
new file mode 100644
index 000000000000..10adfd2ead21
--- /dev/null
+++ b/drivers/clk/ux500/u8540_clk.c
@@ -0,0 +1,21 @@
+/*
+ * Clock definitions for u8540 platform.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/mfd/dbx500-prcmu.h>
+#include <linux/platform_data/clk-ux500.h>
+
+#include "clk.h"
+
+void u8540_clk_init(void)
+{
+ /* register clocks here */
+}
diff --git a/drivers/clk/ux500/u9540_clk.c b/drivers/clk/ux500/u9540_clk.c
new file mode 100644
index 000000000000..dbc0191e16c8
--- /dev/null
+++ b/drivers/clk/ux500/u9540_clk.c
@@ -0,0 +1,21 @@
+/*
+ * Clock definitions for u9540 platform.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/mfd/dbx500-prcmu.h>
+#include <linux/platform_data/clk-ux500.h>
+
+#include "clk.h"
+
+void u9540_clk_init(void)
+{
+ /* register clocks here */
+}