Re: [PATCH 4/6] ARM: dts: s5pv210: aries: Add reserved memory for mfc
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2018-12-31 11:44:47
Also in:
linux-arm-kernel, linux-samsung-soc, lkml
On Fri, 28 Dec 2018 at 17:18, Paweł Chmiel [off-list ref] wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- 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@43000000 {
Although you used the same naming convention as existing exynos-mfc-reserved-memory.dtsi, the name of nodes should be generic, so: mfc_left: region@43000000 Best regards, Krzysztof
quoted hunk ↗ jump to hunk
+ compatible = "shared-dma-pool"; + no-map; + reg = <0x43000000 0x2000000>; + }; + + mfc_right: region_mfc_right@51000000 { + 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