From: Peter De Schrijver <pdeschrijver@nvidia.com>
To: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>,
Mike Turquette <mturquette@linaro.org>,
Stephen Warren <swarren@wwwdotorg.org>,
Thierry Reding <thierry.reding@gmail.com>,
Rob Herring <rob.herring@calxeda.com>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Hiroshi Doyu <hdoyu@nvidia.com>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-tegra@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: [PATCH v3 04/19] clk: tegra: Add TEGRA_PERIPH_NO_DIV flag
Date: Tue, 15 Oct 2013 17:52:49 +0300 [thread overview]
Message-ID: <1381848794-11761-5-git-send-email-pdeschrijver@nvidia.com> (raw)
In-Reply-To: <1381848794-11761-1-git-send-email-pdeschrijver@nvidia.com>
This flag indicates the peripheral clock does not have a divider. It will
simply the initialization tables and avoids some very similar code.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
---
drivers/clk/tegra/clk-periph.c | 8 +++++---
drivers/clk/tegra/clk.h | 1 +
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c
index 5102d5e..22ca12e 100644
--- a/drivers/clk/tegra/clk-periph.c
+++ b/drivers/clk/tegra/clk-periph.c
@@ -173,12 +173,13 @@ const struct clk_ops tegra_clk_periph_nodiv_ops = {
static struct clk *_tegra_clk_register_periph(const char *name,
const char **parent_names, int num_parents,
struct tegra_clk_periph *periph,
- void __iomem *clk_base, u32 offset, bool div,
+ void __iomem *clk_base, u32 offset,
unsigned long flags)
{
struct clk *clk;
struct clk_init_data init;
struct tegra_clk_periph_regs *bank;
+ bool div = !(periph->gate.flags & TEGRA_PERIPH_NO_DIV);
init.name = name;
init.ops = div ? &tegra_clk_periph_ops : &tegra_clk_periph_nodiv_ops;
@@ -216,7 +217,7 @@ struct clk *tegra_clk_register_periph(const char *name,
u32 offset, unsigned long flags)
{
return _tegra_clk_register_periph(name, parent_names, num_parents,
- periph, clk_base, offset, true, flags);
+ periph, clk_base, offset, flags);
}
struct clk *tegra_clk_register_periph_nodiv(const char *name,
@@ -224,6 +225,7 @@ struct clk *tegra_clk_register_periph_nodiv(const char *name,
struct tegra_clk_periph *periph, void __iomem *clk_base,
u32 offset)
{
+ periph->gate.flags |= TEGRA_PERIPH_NO_DIV;
return _tegra_clk_register_periph(name, parent_names, num_parents,
- periph, clk_base, offset, false, CLK_SET_RATE_PARENT);
+ periph, clk_base, offset, CLK_SET_RATE_PARENT);
}
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index e67a1f3..da8baa2 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -397,6 +397,7 @@ struct tegra_clk_periph_gate {
#define TEGRA_PERIPH_MANUAL_RESET BIT(1)
#define TEGRA_PERIPH_ON_APB BIT(2)
#define TEGRA_PERIPH_WAR_1005168 BIT(3)
+#define TEGRA_PERIPH_NO_DIV BIT(4)
void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert);
extern const struct clk_ops tegra_clk_periph_gate_ops;
--
1.7.7.rc0.72.g4b5ea.dirty
next prev parent reply other threads:[~2013-10-15 14:55 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 14:52 [PATCH v3 00/19] Introduce common infra for tegra clocks Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 01/19] ARM: tegra30: add missing CLK IDs Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 02/19] clk: tegra: simplify periph clock data Peter De Schrijver
2013-10-15 18:46 ` Stephen Warren
2013-10-16 15:06 ` Peter De Schrijver
2013-10-16 17:06 ` Stephen Warren
2013-10-15 14:52 ` [PATCH v3 03/19] clk: tegra: common periph_clk_enb_refcnt and clks Peter De Schrijver
2013-10-15 18:52 ` Stephen Warren
2013-10-15 14:52 ` Peter De Schrijver [this message]
2013-10-15 14:52 ` [PATCH v3 05/19] clk: tegra: move some PLLC and PLLXC init to clk-pll.c Peter De Schrijver
2013-10-15 18:59 ` Stephen Warren
2013-10-15 14:52 ` [PATCH v3 06/19] clk: tegra: move fields to tegra_clk_pll_params Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 07/19] clk: tegra: add header for common tegra clock IDs Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 08/19] clk: tegra: add common infra for DT clocks Peter De Schrijver
2013-10-15 19:01 ` Stephen Warren
2013-10-16 14:34 ` Peter De Schrijver
2013-10-16 17:02 ` Stephen Warren
2013-10-15 14:52 ` [PATCH v3 09/19] clk: tegra: add clkdev registration infra Peter De Schrijver
2013-10-15 19:08 ` Stephen Warren
2013-10-15 14:52 ` [PATCH v3 10/19] clk: tegra: move audio clk to common file Peter De Schrijver
2013-10-15 19:13 ` Stephen Warren
2013-10-16 7:35 ` Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 11/19] clk: tegra: move periph clocks " Peter De Schrijver
2013-10-15 19:19 ` Stephen Warren
2013-10-15 14:52 ` [PATCH v3 12/19] clk: tegra: move PMC, fixed clocks to common files Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 13/19] clk: tegra: introduce common gen4 super clock Peter De Schrijver
2013-10-15 19:37 ` Stephen Warren
2013-10-16 7:38 ` Peter De Schrijver
2013-10-15 14:52 ` [PATCH v3 14/19] clk: tegra30: replace enum by binding header Peter De Schrijver
2013-10-15 19:41 ` Stephen Warren
2013-10-16 14:46 ` Peter De Schrijver
2013-10-16 17:02 ` Stephen Warren
2013-10-15 14:53 ` [PATCH v3 15/19] clk: tegra20: " Peter De Schrijver
2013-10-15 14:53 ` [PATCH v3 16/19] clk: tegra20: move tegra20 to common clkdev Peter De Schrijver
2013-10-15 14:53 ` [PATCH v3 17/19] clk: tegra30: move tegra30 " Peter De Schrijver
2013-10-15 14:53 ` [PATCH v3 18/19] clk: tegra20: move to common periph clk Peter De Schrijver
2013-10-15 14:53 ` [PATCH v3 19/19] clk: tegra30: move to common tegra clk infra Peter De Schrijver
2013-10-15 19:43 ` Stephen Warren
2013-10-15 17:48 ` [PATCH v3 00/19] Introduce common infra for tegra clocks Stephen Warren
2013-10-16 9:06 ` Peter De Schrijver
2013-10-16 17:14 ` Stephen Warren
2013-10-17 7:52 ` Peter De Schrijver
2013-10-15 19:43 ` Stephen Warren
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