From: shawn.guo@linaro.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: imx6q: register fixed clocks in the common way
Date: Tue, 14 Aug 2012 16:15:56 +0800 [thread overview]
Message-ID: <1344932156-8275-1-git-send-email-shawn.guo@linaro.org> (raw)
With DT clock support in place, we can register fixed clocks in DT
standard way.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
arch/arm/boot/dts/imx6q.dtsi | 11 +++++++----
arch/arm/mach-imx/clk-imx6q.c | 21 +++++++--------------
2 files changed, 14 insertions(+), 18 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 3d3c64b..0052fe7 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -65,17 +65,20 @@
#size-cells = <0>;
ckil {
- compatible = "fsl,imx-ckil", "fixed-clock";
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
clock-frequency = <32768>;
};
- ckih1 {
- compatible = "fsl,imx-ckih1", "fixed-clock";
+ ckih {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
clock-frequency = <0>;
};
osc {
- compatible = "fsl,imx-osc", "fixed-clock";
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
clock-frequency = <24000000>;
};
};
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index ea89520..475bc93 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -162,27 +162,20 @@ static enum mx6q_clks const clks_init_on[] __initconst = {
mmdc_ch0_axi, rom,
};
+static const struct of_device_id clk_match[] __initconst = {
+ { .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
+ { /* sentinel */ }
+};
+
int __init mx6q_clocks_init(void)
{
struct device_node *np;
void __iomem *base;
int i, irq;
- clk[dummy] = imx_clk_fixed("dummy", 0);
+ of_clk_init(clk_match);
- /* retrieve the freqency of fixed clocks from device tree */
- for_each_compatible_node(np, NULL, "fixed-clock") {
- u32 rate;
- if (of_property_read_u32(np, "clock-frequency", &rate))
- continue;
-
- if (of_device_is_compatible(np, "fsl,imx-ckil"))
- clk[ckil] = imx_clk_fixed("ckil", rate);
- else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
- clk[ckih] = imx_clk_fixed("ckih", rate);
- else if (of_device_is_compatible(np, "fsl,imx-osc"))
- clk[osc] = imx_clk_fixed("osc", rate);
- }
+ clk[dummy] = imx_clk_fixed("dummy", 0);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop");
base = of_iomap(np, 0);
--
1.7.5.4
reply other threads:[~2012-08-14 8:15 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=1344932156-8275-1-git-send-email-shawn.guo@linaro.org \
--to=shawn.guo@linaro.org \
--cc=linux-arm-kernel@lists.infradead.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).