diff mbox

[v5,12/22] ARM: sun7i-a20: Add support for the C1 SRAM region with the SRAM controller

Message ID 20180710080114.31469-13-paul.kocialkowski@bootlin.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paul Kocialkowski July 10, 2018, 8:01 a.m. UTC 
From: Maxime Ripard <maxime.ripard@bootlin.com>

This adds support for the C1 SRAM region (to be used with the SRAM
controller driver) for the A20 platform. The region is shared
between the Video Engine and the CPU.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
 arch/arm/boot/dts/sun7i-a20.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

Maxime Ripard July 11, 2018, 9:11 a.m. UTC | #1 
On Tue, Jul 10, 2018 at 10:01:04AM +0200, Paul Kocialkowski wrote:
> From: Maxime Ripard <maxime.ripard@bootlin.com>
> 
> This adds support for the C1 SRAM region (to be used with the SRAM
> controller driver) for the A20 platform. The region is shared
> between the Video Engine and the CPU.
> 
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Fixed the SRAM size and applied.

Maxime
diff mbox

Patch

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 59abb623b249..38999d791cb5 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -276,6 +276,20 @@ 
 					status = "disabled";
 				};
 			};
+
+			sram_c: sram@1d00000 {
+				compatible = "mmio-sram";
+				reg = <0x01d00000 0x80000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x01d00000 0x80000>;
+
+				ve_sram: sram-section@0 {
+					compatible = "allwinner,sun7i-a20-sram-c1",
+						     "allwinner,sun4i-a10-sram-c1";
+					reg = <0x000000 0x80000>;
+				};
+			};
 		};
 
 		nmi_intc: interrupt-controller@1c00030 {