2018-03-12 11:12:54

by Neil Armstrong

Subject: [PATCH] ARM64: dts: meson: bump mali450 clk to 744MHz

The Mali-450 IP can run up to 744MHz, bump the frequency using
the GP0 PLL clock.

Cc: Michal Lazo <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
---
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 11 +++++++----
arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi | 11 +++++++----
2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 3290a4dc..6013d32 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -284,14 +284,17 @@
* MALI_0 and MALI_1 muxed to a single clock by a glitch
* free mux to safely change frequency while running.
*/
- assigned-clocks = <&clkc CLKID_MALI_0_SEL>,
+ assigned-clocks = <&clkc CLKID_GP0_PLL>,
+ <&clkc CLKID_MALI_0_SEL>,
<&clkc CLKID_MALI_0>,
<&clkc CLKID_MALI>; /* Glitch free mux */
- assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>,
+ assigned-clock-parents = <0>, /* Do Nothing */
+ <&clkc CLKID_GP0_PLL>,
<0>, /* Do Nothing */
<&clkc CLKID_MALI_0>;
- assigned-clock-rates = <0>, /* Do Nothing */
- <666666666>,
+ assigned-clock-rates = <744000000>,
+ <0>, /* Do Nothing */
+ <744000000>,
<0>; /* Do Nothing */
};
};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
index f06cc234..972df67 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
@@ -30,14 +30,17 @@
* MALI_0 and MALI_1 muxed to a single clock by a glitch
* free mux to safely change frequency while running.
*/
- assigned-clocks = <&clkc CLKID_MALI_0_SEL>,
+ assigned-clocks = <&clkc CLKID_GP0_PLL>,
+ <&clkc CLKID_MALI_0_SEL>,
<&clkc CLKID_MALI_0>,
<&clkc CLKID_MALI>; /* Glitch free mux */
- assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>,
+ assigned-clock-parents = <0>, /* Do Nothing */
+ <&clkc CLKID_GP0_PLL>,
<0>, /* Do Nothing */
<&clkc CLKID_MALI_0>;
- assigned-clock-rates = <0>, /* Do Nothing */
- <666666666>,
+ assigned-clock-rates = <744000000>,
+ <0>, /* Do Nothing */
+ <744000000>,
<0>; /* Do Nothing */
};
};
--
2.7.4

2018-03-20 02:03:06

by Kevin Hilman

Subject: Re: [PATCH] ARM64: dts: meson: bump mali450 clk to 744MHz

Neil Armstrong <[email protected]> writes:

> The Mali-450 IP can run up to 744MHz, bump the frequency using
> the GP0 PLL clock.
>
> Cc: Michal Lazo <[email protected]>
> Signed-off-by: Neil Armstrong <[email protected]>

Applied to v4.17/dt64,

Thanks,

Kevin