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Subject[PATCH 10/12] clk: tegra: move fixed clocks to common file
Date
Introduce a new file for fixed clocks common between several Tegra
SoCs and move Tegra114 to this new infrastructure.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
---
drivers/clk/tegra/Makefile | 1 +
drivers/clk/tegra/clk-tegra-fixed.c | 62 +++++++++++++++++++++++++++++++++++
drivers/clk/tegra/clk-tegra114.c | 26 +--------------
drivers/clk/tegra/clk.h | 1 +
4 files changed, 65 insertions(+), 25 deletions(-)
create mode 100644 drivers/clk/tegra/clk-tegra-fixed.c

diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile
index f415246..a02e9a9 100644
--- a/drivers/clk/tegra/Makefile
+++ b/drivers/clk/tegra/Makefile
@@ -9,6 +9,7 @@ obj-y += clk-super.o
obj-y += clk-tegra-audio.o
obj-y += clk-tegra-periph.o
obj-y += clk-tegra-pmc.o
+obj-y += clk-tegra-fixed.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra30.o
obj-$(CONFIG_ARCH_TEGRA_114_SOC) += clk-tegra114.o
diff --git a/drivers/clk/tegra/clk-tegra-fixed.c b/drivers/clk/tegra/clk-tegra-fixed.c
new file mode 100644
index 0000000..252d710
--- /dev/null
+++ b/drivers/clk/tegra/clk-tegra-fixed.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/clk/tegra.h>
+
+#include "clk.h"
+#include "clk-id.h"
+
+void __init tegra_fixed_clk_init(struct tegra_clk *tegra_clks)
+{
+ struct clk *clk;
+ struct clk **dt_clk;
+
+ /* clk_32k */
+ dt_clk = tegra_lookup_dt_id(tegra_clk_clk_32k, tegra_clks);
+ if (dt_clk) {
+ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL,
+ CLK_IS_ROOT, 32768);
+ clk_register_clkdev(clk, "clk_32k", NULL);
+ *dt_clk = clk;
+ }
+
+ /* clk_m_div2 */
+ dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m_div2, tegra_clks);
+ if (dt_clk) {
+ clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "clk_m_div2", NULL);
+ *dt_clk = clk;
+ }
+
+ /* clk_m_div4 */
+ dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m_div4, tegra_clks);
+ if (dt_clk) {
+ clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
+ CLK_SET_RATE_PARENT, 1, 4);
+ clk_register_clkdev(clk, "clk_m_div4", NULL);
+ *dt_clk = clk;
+ }
+}
+
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 19cd57b..2598477 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -827,30 +827,6 @@ static int __init tegra114_osc_clk_init(void __iomem *clk_base)
return 0;
}

-static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
-{
- struct clk *clk;
-
- /* clk_32k */
- clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
- 32768);
- clk_register_clkdev(clk, "clk_32k", NULL);
- clks[TEGRA114_CLK_CLK_32K] = clk;
-
- /* clk_m_div2 */
- clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
- CLK_SET_RATE_PARENT, 1, 2);
- clk_register_clkdev(clk, "clk_m_div2", NULL);
- clks[TEGRA114_CLK_CLK_M_DIV2] = clk;
-
- /* clk_m_div4 */
- clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
- CLK_SET_RATE_PARENT, 1, 4);
- clk_register_clkdev(clk, "clk_m_div4", NULL);
- clks[TEGRA114_CLK_CLK_M_DIV4] = clk;
-
-}
-
static __init void tegra114_utmi_param_configure(void __iomem *clk_base)
{
u32 reg;
@@ -1434,7 +1410,7 @@ static void __init tegra114_clock_init(struct device_node *np)
if (tegra114_osc_clk_init(clk_base) < 0)
return;

- tegra114_fixed_clk_init(clk_base);
+ tegra_fixed_clk_init(tegra114_clks);
tegra114_pll_init(clk_base, pmc_base);
tegra114_periph_clk_init(clk_base, pmc_base);
tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, NULL);
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 3ce60c2..1f24f2a 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -609,6 +609,7 @@ void tegra_audio_clk_init(void __iomem *clk_base,
void tegra_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base,
struct tegra_clk *tegra_clks);
void tegra_pmc_clk_init(void __iomem *pmc_base, struct tegra_clk *tegra_clks);
+void tegra_fixed_clk_init(struct tegra_clk *tegra_clks);

void tegra114_clock_tune_cpu_trimmers_high(void);
void tegra114_clock_tune_cpu_trimmers_low(void);
--
1.7.7.rc0.72.g4b5ea.dirty


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