2019-05-13 09:19:18

by Neil Armstrong

Subject: [PATCH 3/3] arm64: dts: meson-g12a: add ddr-access-quirk property to SDIO controller

The Amlogic G12A SDIO Controller has a bug preventing direct DDR access,
mark this specific controller with the amlogic,ddr-access-quirk property.

Signed-off-by: Neil Armstrong <[email protected]>
---
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 1 +
1 file changed, 1 insertion(+)

Kevin, the MMC node hasn't been sent yet, when the quirk bindings is
accepted, we will directly send the MMC modes with this property.

Nei

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 5cbfca00f5cf..d8b3441f0c45 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -1061,6 +1061,7 @@
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
resets = <&reset RESET_SD_EMMC_A>;
+ amlogic,ddr-access-quirk;
};

sd_emmc_b: sd@ffe05000 {
--
2.21.0

2019-05-14 17:52:48

by Martin Blumenstingl

Subject: Re: [PATCH 3/3] arm64: dts: meson-g12a: add ddr-access-quirk property to SDIO controller

On Mon, May 13, 2019 at 11:17 AM Neil Armstrong <[email protected]> wrote:
>
> The Amlogic G12A SDIO Controller has a bug preventing direct DDR access,
> mark this specific controller with the amlogic,ddr-access-quirk property.
>
> Signed-off-by: Neil Armstrong <[email protected]>
Acked-by: Martin Blumenstingl <[email protected]>