diff mbox series

[v2,5/6] arm64: dts: allwinner: a64: Update MBUS node

Message ID 20211004012739.39053-6-samuel@sholland.org (mailing list archive)
State Not Applicable, archived
Headers show
Series DRAM devfreq support for Allwinner A64/H5 | expand

Commit Message

Samuel Holland Oct. 4, 2021, 1:27 a.m. UTC 
In order to support memory dynamic frequency scaling (MDFS), the MBUS
binding now requires enumerating more resources. Provide them in the
device tree.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

Comments

Chanwoo Choi Oct. 15, 2021, 8:29 a.m. UTC | #1 
On 10/4/21 10:27 AM, Samuel Holland wrote:
> In order to support memory dynamic frequency scaling (MDFS), the MBUS
> binding now requires enumerating more resources. Provide them in the
> device tree.
> 
> Signed-off-by: Samuel Holland <samuel@sholland.org>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index 6ddb717f2f98..609a59c6c778 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -1129,8 +1129,14 @@ pwm: pwm@1c21400 {
>  
>  		mbus: dram-controller@1c62000 {
>  			compatible = "allwinner,sun50i-a64-mbus";
> -			reg = <0x01c62000 0x1000>;
> -			clocks = <&ccu 112>;
> +			reg = <0x01c62000 0x1000>,
> +			      <0x01c63000 0x1000>;
> +			reg-names = "mbus", "dram";
> +			clocks = <&ccu CLK_MBUS>,
> +				 <&ccu CLK_DRAM>,
> +				 <&ccu CLK_BUS_DRAM>;
> +			clock-names = "mbus", "dram", "bus";
> +			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
>  			#address-cells = <1>;
>  			#size-cells = <1>;
>  			dma-ranges = <0x00000000 0x40000000 0xc0000000>;
> 

Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 6ddb717f2f98..609a59c6c778 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -1129,8 +1129,14 @@  pwm: pwm@1c21400 {
 
 		mbus: dram-controller@1c62000 {
 			compatible = "allwinner,sun50i-a64-mbus";
-			reg = <0x01c62000 0x1000>;
-			clocks = <&ccu 112>;
+			reg = <0x01c62000 0x1000>,
+			      <0x01c63000 0x1000>;
+			reg-names = "mbus", "dram";
+			clocks = <&ccu CLK_MBUS>,
+				 <&ccu CLK_DRAM>,
+				 <&ccu CLK_BUS_DRAM>;
+			clock-names = "mbus", "dram", "bus";
+			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			dma-ranges = <0x00000000 0x40000000 0xc0000000>;