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

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Date:   Mon, 13 May 2019 11:15:48 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     ulf.hansson@...aro.org, khilman@...libre.com
Cc:     baylibre-upstreaming@...ups.io,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-mmc@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
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 <narmstrong@...libre.com>
---
 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@...05000 {
-- 
2.21.0