d523866eb3
These patches add support for ipq806x NAND flash controller. Most of these are cherry-picked & backported from LKML: *https://lkml.org/lkml/2015/8/3/16 This patch just modifies the kernel code, but doesn't change the config. It should be harmless. Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org> SVN-Revision: 46568
79 lines
1.9 KiB
Diff
79 lines
1.9 KiB
Diff
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Subject: [v3,5/5] arm: qcom: dts: Enable NAND node on IPQ8064 AP148 platform
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From: Archit Taneja <architt@codeaurora.org>
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X-Patchwork-Id: 6927091
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Message-Id: <1438578498-32254-6-git-send-email-architt@codeaurora.org>
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To: linux-mtd@lists.infradead.org, dehrenberg@google.com,
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cernekee@gmail.com, computersforpeace@gmail.com
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Cc: linux-arm-msm@vger.kernel.org, agross@codeaurora.org,
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sboyd@codeaurora.org, linux-kernel@vger.kernel.org,
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Archit Taneja <architt@codeaurora.org>, devicetree@vger.kernel.org
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Date: Mon, 3 Aug 2015 10:38:18 +0530
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Enable the NAND controller node on the AP148 platform. Provide pinmux
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information.
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Cc: devicetree@vger.kernel.org
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Signed-off-by: Archit Taneja <architt@codeaurora.org>
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---
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arch/arm/boot/dts/qcom-ipq8064-ap148.dts | 36 ++++++++++++++++++++++++++++++++
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1 file changed, 36 insertions(+)
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--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
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+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
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@@ -61,6 +61,31 @@
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bias-none;
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};
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};
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+
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+ nand_pins: nand_pins {
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+ mux {
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+ pins = "gpio34", "gpio35", "gpio36",
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+ "gpio37", "gpio38", "gpio39",
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+ "gpio40", "gpio41", "gpio42",
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+ "gpio43", "gpio44", "gpio45",
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+ "gpio46", "gpio47";
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+ function = "nand";
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+ drive-strength = <10>;
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+ bias-disable;
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+ };
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+
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+ pullups {
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+ pins = "gpio39";
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+ bias-pull-up;
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+ };
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+
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+ hold {
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+ pins = "gpio40", "gpio41", "gpio42",
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+ "gpio43", "gpio44", "gpio45",
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+ "gpio46", "gpio47";
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+ bias-bus-hold;
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+ };
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+ };
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};
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gsbi@16300000 {
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@@ -174,5 +199,19 @@
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pinctrl-0 = <&pcie1_pins>;
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pinctrl-names = "default";
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};
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+
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+ nand@1ac00000 {
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+ status = "ok";
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+
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+ pinctrl-0 = <&nand_pins>;
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+ pinctrl-names = "default";
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+
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+ nand-ecc-strength = <4>;
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+ nand-bus-width = <8>;
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+ };
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};
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};
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+
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+&adm_dma {
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+ status = "ok";
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+};
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