All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
	Colin Cross <ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Allen Martin <amartin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Olof Johansson <olofj-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH 1/5] ARM: tegra: Add pllc clock init table
Date: Fri, 13 Apr 2012 16:42:02 -0600	[thread overview]
Message-ID: <1334356926-4275-1-git-send-email-swarren@wwwdotorg.org> (raw)

From: Allen Martin <amartin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

(cherry picked from commit 54f28b336f2ba3da93a459d22e32944823960d08
in the chromeos-2.6.38 kernel)

swarren adds:

pll_c will be used as a clock source. Fill in tegra_pll_c_freq_table[]
so that it's possible to explicitly initialize the PLL.

NVIDIA's downstream nv-3.1 kernel and the ChromeOS kernel have different
pll_c tables. nv-3.1 contains entries for 522MHz and 598MHz output,
whereas the ChromeOS kernel contains entries for 600MHz output. I chose
to upstream the ChromeOS values for now, since the 600MHz rate appears
to match the default rate of this PLL when the HW boots.

Signed-off-by: Allen Martin <amartin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Olof Johansson <olofj-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Signed-off-by: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
 arch/arm/mach-tegra/tegra2_clocks.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index cf4999b..0bf0f2d 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -1486,6 +1486,10 @@ static struct clk tegra_clk_m = {
 };
 
 static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
+	{ 12000000, 600000000, 600, 12, 1, 8 },
+	{ 13000000, 600000000, 600, 13, 1, 8 },
+	{ 19200000, 600000000, 500, 16, 1, 6 },
+	{ 26000000, 600000000, 600, 26, 1, 8 },
 	{ 0, 0, 0, 0, 0, 0 },
 };
 
-- 
1.7.0.4

WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/5] ARM: tegra: Add pllc clock init table
Date: Fri, 13 Apr 2012 16:42:02 -0600	[thread overview]
Message-ID: <1334356926-4275-1-git-send-email-swarren@wwwdotorg.org> (raw)

From: Allen Martin <amartin@nvidia.com>

(cherry picked from commit 54f28b336f2ba3da93a459d22e32944823960d08
in the chromeos-2.6.38 kernel)

swarren adds:

pll_c will be used as a clock source. Fill in tegra_pll_c_freq_table[]
so that it's possible to explicitly initialize the PLL.

NVIDIA's downstream nv-3.1 kernel and the ChromeOS kernel have different
pll_c tables. nv-3.1 contains entries for 522MHz and 598MHz output,
whereas the ChromeOS kernel contains entries for 600MHz output. I chose
to upstream the ChromeOS values for now, since the 600MHz rate appears
to match the default rate of this PLL when the HW boots.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
 arch/arm/mach-tegra/tegra2_clocks.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index cf4999b..0bf0f2d 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -1486,6 +1486,10 @@ static struct clk tegra_clk_m = {
 };
 
 static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
+	{ 12000000, 600000000, 600, 12, 1, 8 },
+	{ 13000000, 600000000, 600, 13, 1, 8 },
+	{ 19200000, 600000000, 500, 16, 1, 6 },
+	{ 26000000, 600000000, 600, 26, 1, 8 },
 	{ 0, 0, 0, 0, 0, 0 },
 };
 
-- 
1.7.0.4

             reply	other threads:[~2012-04-13 22:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-13 22:42 Stephen Warren [this message]
2012-04-13 22:42 ` [PATCH 1/5] ARM: tegra: Add pllc clock init table Stephen Warren
     [not found] ` <1334356926-4275-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-04-13 22:42   ` [PATCH 2/5] ARM: tegra: reparent sclk to pll_c_out1 Stephen Warren
2012-04-13 22:42     ` Stephen Warren
2012-04-13 22:42   ` [PATCH 3/5] ARM: tegra: change pll_p_out4's rate to 24MHz Stephen Warren
2012-04-13 22:42     ` Stephen Warren
2012-04-13 22:42   ` [PATCH 4/5] ARM: tegra: don't hard-code USB ULPI PHY reset_gpio Stephen Warren
2012-04-13 22:42     ` Stephen Warren
2012-04-13 22:42   ` [PATCH 5/5] ARM: tegra: add USB ULPI PHY reset GPIO to device tree Stephen Warren
2012-04-13 22:42     ` Stephen Warren
2012-04-15  0:33   ` [PATCH 1/5] ARM: tegra: Add pllc clock init table Olof Johansson
2012-04-15  0:33     ` Olof Johansson
     [not found]     ` <20120415003303.GA10967-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2012-04-16 15:51       ` Stephen Warren
2012-04-16 15:51         ` Stephen Warren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1334356926-4275-1-git-send-email-swarren@wwwdotorg.org \
    --to=swarren-3lzwwm7+weoh9zmkesr00q@public.gmane.org \
    --cc=amartin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
    --cc=ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org \
    --cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
    --cc=linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org \
    --cc=olofj-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org \
    --cc=swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.