diff mbox series

[v3,1/6] dt-bindings: clock: sunxi: Export CLK_DRAM for devfreq

Message ID 20211118031841.42315-2-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 
The MBUS node needs to reference the CLK_DRAM clock, as the MBUS
hardware implements memory dynamic frequency scaling using this clock.

Export this clock for SoCs which will be getting a devfreq driver.

Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---

Changes from v2:
 - Remove unnecessary quotes from binding
 - Fix issues with overall minItems/maxItems limits

---
 drivers/clk/sunxi-ng/ccu-sun50i-a64.h      | 2 --
 drivers/clk/sunxi-ng/ccu-sun8i-h3.h        | 2 --
 include/dt-bindings/clock/sun50i-a64-ccu.h | 2 +-
 include/dt-bindings/clock/sun8i-h3-ccu.h   | 2 +-
 4 files changed, 2 insertions(+), 6 deletions(-)

Comments

Maxime Ripard Nov. 23, 2021, 10:40 a.m. UTC | #1 
On Wed, 17 Nov 2021 21:18:36 -0600, Samuel Holland wrote:
> The MBUS node needs to reference the CLK_DRAM clock, as the MBUS
> hardware implements memory dynamic frequency scaling using this clock.
> 
> Export this clock for SoCs which will be getting a devfreq driver.
> 
> 

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

Thanks!
Maxime
diff mbox series

Patch

diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h
index 54d1f96f4b68..a8c11c0b4e06 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h
@@ -51,8 +51,6 @@ 
 
 #define CLK_USB_OHCI1_12M		92
 
-#define CLK_DRAM			94
-
 /* All the DRAM gates are exported */
 
 /* And the DSI and GPU module clock is exported */
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h
index d8c38447e11b..e13f3c4b57d0 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h
@@ -42,8 +42,6 @@ 
 
 /* The first bunch of module clocks are exported */
 
-#define CLK_DRAM		96
-
 /* All the DRAM gates are exported */
 
 /* Some more module clocks are exported */
diff --git a/include/dt-bindings/clock/sun50i-a64-ccu.h b/include/dt-bindings/clock/sun50i-a64-ccu.h
index 318eb15c414c..175892189e9d 100644
--- a/include/dt-bindings/clock/sun50i-a64-ccu.h
+++ b/include/dt-bindings/clock/sun50i-a64-ccu.h
@@ -113,7 +113,7 @@ 
 #define CLK_USB_OHCI0		91
 
 #define CLK_USB_OHCI1		93
-
+#define CLK_DRAM		94
 #define CLK_DRAM_VE		95
 #define CLK_DRAM_CSI		96
 #define CLK_DRAM_DEINTERLACE	97
diff --git a/include/dt-bindings/clock/sun8i-h3-ccu.h b/include/dt-bindings/clock/sun8i-h3-ccu.h
index 30d2d15373a2..5d4ada2c22e6 100644
--- a/include/dt-bindings/clock/sun8i-h3-ccu.h
+++ b/include/dt-bindings/clock/sun8i-h3-ccu.h
@@ -126,7 +126,7 @@ 
 #define CLK_USB_OHCI1		93
 #define CLK_USB_OHCI2		94
 #define CLK_USB_OHCI3		95
-
+#define CLK_DRAM		96
 #define CLK_DRAM_VE		97
 #define CLK_DRAM_CSI		98
 #define CLK_DRAM_DEINTERLACE	99