diff mbox series

[v3,4/6] ARM: dts: sunxi: h3/h5: Update MBUS node

Message ID 20211118031841.42315-5-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 Nov. 18, 2021, 3:18 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.

Since the H3 and H5 have different clock divider limits, they need
separate compatibles.

Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
 arch/arm/boot/dts/sun8i-h3.dtsi              |  4 ++++
 arch/arm/boot/dts/sunxi-h3-h5.dtsi           | 11 ++++++++---
 arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi |  4 ++++
 3 files changed, 16 insertions(+), 3 deletions(-)

Comments

Maxime Ripard Nov. 23, 2021, 10:40 a.m. UTC | #1 
On Wed, 17 Nov 2021 21:18:39 -0600, 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.
> 
> Since the H3 and H5 have different clock divider limits, they need
> separate compatibles.
> 
> [...]

Applied to sunxi/linux.git (sunxi/dt-for-5.17).

Thanks!
Maxime
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index ae4f933abb89..845f25235407 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -282,6 +282,10 @@  &display_clocks {
 	compatible = "allwinner,sun8i-h3-de2-clk";
 };
 
+&mbus {
+	compatible = "allwinner,sun8i-h3-mbus";
+};
+
 &mmc0 {
 	compatible = "allwinner,sun7i-a20-mmc";
 	clocks = <&ccu CLK_BUS_MMC0>,
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index c7428df9469e..3a683e190dab 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -568,9 +568,14 @@  external_mdio: mdio@2 {
 		};
 
 		mbus: dram-controller@1c62000 {
-			compatible = "allwinner,sun8i-h3-mbus";
-			reg = <0x01c62000 0x1000>;
-			clocks = <&ccu CLK_MBUS>;
+			/* compatible is in per SoC .dtsi file */
+			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";
 			#address-cells = <1>;
 			#size-cells = <1>;
 			dma-ranges = <0x00000000 0x40000000 0xc0000000>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
index 9988e87ea7b3..a56fae761a1f 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
@@ -233,6 +233,10 @@  &display_clocks {
 	compatible = "allwinner,sun50i-h5-de2-clk";
 };
 
+&mbus {
+	compatible = "allwinner,sun50i-h5-mbus";
+};
+
 &mmc0 {
 	compatible = "allwinner,sun50i-h5-mmc",
 		     "allwinner,sun50i-a64-mmc";