This is a note to let you know that I've just added the patch titled
ARM: dts: am43xx-clocks: Fix ehrpwm tbclk data on am43xx
to the 3.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dts-am43xx-clocks-fix-ehrpwm-tbclk-data-on-am43xx.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7d53d25578486d65bd7cd242bc7816b40e55e62b Mon Sep 17 00:00:00 2001
From: Vignesh R <vigneshr@xxxxxx>
Date: Tue, 10 Feb 2015 11:05:42 +0530
Subject: ARM: dts: am43xx-clocks: Fix ehrpwm tbclk data on am43xx
From: Vignesh R <vigneshr@xxxxxx>
commit 7d53d25578486d65bd7cd242bc7816b40e55e62b upstream.
ehrpwm tbclk is wrongly modelled as deriving from dpll_per_m2_ck.
The TRM says tbclk is derived from SYSCLKOUT. SYSCLKOUT nothing but the
functional clock of pwmss (l4ls_gclk).
Fix this by changing source of ehrpwmx_tbclk to l4ls_gclk.
Fixes: 4da1c67719f61 ("add tbclk data for ehrpwm")
Signed-off-by: Vignesh R <vigneshr@xxxxxx>
Acked-by: Tero Kristo <t-kristo@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/am43xx-clocks.dtsi | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -107,7 +107,7 @@
ehrpwm0_tbclk: ehrpwm0_tbclk {
#clock-cells = <0>;
compatible = "ti,gate-clock";
- clocks = <&dpll_per_m2_ck>;
+ clocks = <&l4ls_gclk>;
ti,bit-shift = <0>;
reg = <0x0664>;
};
@@ -115,7 +115,7 @@
ehrpwm1_tbclk: ehrpwm1_tbclk {
#clock-cells = <0>;
compatible = "ti,gate-clock";
- clocks = <&dpll_per_m2_ck>;
+ clocks = <&l4ls_gclk>;
ti,bit-shift = <1>;
reg = <0x0664>;
};
@@ -123,7 +123,7 @@
ehrpwm2_tbclk: ehrpwm2_tbclk {
#clock-cells = <0>;
compatible = "ti,gate-clock";
- clocks = <&dpll_per_m2_ck>;
+ clocks = <&l4ls_gclk>;
ti,bit-shift = <2>;
reg = <0x0664>;
};
@@ -131,7 +131,7 @@
ehrpwm3_tbclk: ehrpwm3_tbclk {
#clock-cells = <0>;
compatible = "ti,gate-clock";
- clocks = <&dpll_per_m2_ck>;
+ clocks = <&l4ls_gclk>;
ti,bit-shift = <4>;
reg = <0x0664>;
};
@@ -139,7 +139,7 @@
ehrpwm4_tbclk: ehrpwm4_tbclk {
#clock-cells = <0>;
compatible = "ti,gate-clock";
- clocks = <&dpll_per_m2_ck>;
+ clocks = <&l4ls_gclk>;
ti,bit-shift = <5>;
reg = <0x0664>;
};
@@ -147,7 +147,7 @@
ehrpwm5_tbclk: ehrpwm5_tbclk {
#clock-cells = <0>;
compatible = "ti,gate-clock";
- clocks = <&dpll_per_m2_ck>;
+ clocks = <&l4ls_gclk>;
ti,bit-shift = <6>;
reg = <0x0664>;
};
Patches currently in stable-queue which might be from vigneshr@xxxxxx are
queue-3.19/arm-dts-am43xx-clocks-fix-ehrpwm-tbclk-data-on-am43xx.patch
queue-3.19/arm-dts-am33xx-clocks-fix-ehrpwm-tbclk-data-on-am33xx.patch
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