linux-kernel - [PATCH 4/6] ARM: dts: s5pv210: aries: Add reserved memory for mfc

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Message-Id: <20181228161819.18931-5-pawel.mikolaj.chmiel@gmail.com>
Date:   Fri, 28 Dec 2018 17:18:17 +0100
From:   Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
To:     krzk@...nel.org
Cc:     kgene@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, pawel.mikolaj.chmiel@...il.com,
        xc-racer2@...e.ca, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] ARM: dts: s5pv210: aries: Add reserved memory for mfc

This commit adds memory reservation required by MFC to run.
On S5PV210 both regions needs to be on separate memory banks.
Size of both regions is taken from stock sources.

Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
---
 arch/arm/boot/dts/s5pv210-aries.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
index 575094ea7024..35ba009a1a33 100644
--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
+++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
@@ -23,6 +23,24 @@
 			0x50000000 0x08000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		mfc_left: region_mfc_left@...00000 {
+			compatible = "shared-dma-pool";
+			no-map;
+			reg = <0x43000000 0x2000000>;
+		};
+
+		mfc_right: region_mfc_right@...00000 {
+			compatible = "shared-dma-pool";
+			no-map;
+			reg = <0x51000000 0x2000000>;
+		};
+	};
+
 	wifi_pwrseq: wifi-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		reset-gpios = <&gpg1 2 GPIO_ACTIVE_LOW>;
@@ -329,6 +347,10 @@
 	status = "okay";
 };
 
+&mfc {
+	memory-region = <&mfc_left>, <&mfc_right>;
+};
+
 &pinctrl0 {
 	wlan_bt_en: wlan-bt-en {
 		samsung,pins = "gpb-5";
-- 
2.17.1