From: Jianxin Pan <jianxin.pan@amlogic.com>
To: Boris Brezillon <boris.brezillon@bootlin.com>,
<linux-mtd@lists.infradead.org>
Cc: Liang Yang <liang.yang@amlogic.com>,
Yixun Lan <yixun.lan@amlogic.com>,
Jianxin Pan <jianxin.pan@amlogic.com>,
David Woodhouse <dwmw2@infradead.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
Jerome Brunet <jbrunet@baylibre.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Carlo Caione <carlo@caione.org>,
Kevin Hilman <khilman@baylibre.com>,
Rob Herring <robh@kernel.org>, Jian Hu <jian.hu@amlogic.com>,
Hanjie Lin <hanjie.lin@amlogic.com>,
Victor Wan <victor.wan@amlogic.com>,
<linux-amlogic@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: [PATCH RESEND v8 1/2] dt-bindings: nand: meson: add Amlogic NAND controller driver
Date: Fri, 21 Dec 2018 19:45:23 +0800 [thread overview]
Message-ID: <1545392724-6637-2-git-send-email-jianxin.pan@amlogic.com> (raw)
In-Reply-To: <1545392724-6637-1-git-send-email-jianxin.pan@amlogic.com>
From: Liang Yang <liang.yang@amlogic.com>
Add Amlogic NAND controller dt-bindings for Meson SoC,
Current this driver support GXBB/GXL/AXG platform.
Signed-off-by: Liang Yang <liang.yang@amlogic.com>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/mtd/amlogic,meson-nand.txt | 60 ++++++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
new file mode 100644
index 0000000..3983c11
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
@@ -0,0 +1,60 @@
+Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs
+
+This file documents the properties in addition to those available in
+the MTD NAND bindings.
+
+Required properties:
+- compatible : contains one of:
+ - "amlogic,meson-gxl-nfc"
+ - "amlogic,meson-axg-nfc"
+- clocks :
+ A list of phandle + clock-specifier pairs for the clocks listed
+ in clock-names.
+
+- clock-names: Should contain the following:
+ "core" - NFC module gate clock
+ "device" - device clock from eMMC sub clock controller
+ "rx" - rx clock phase
+ "tx" - tx clock phase
+
+- amlogic,mmc-syscon : Required for NAND clocks, it's shared with SD/eMMC
+ controller port C
+
+Optional children nodes:
+Children nodes represent the available nand chips.
+
+Other properties:
+see Documentation/devicetree/bindings/mtd/nand.txt for generic bindings.
+
+Example demonstrate on AXG SoC:
+
+ sd_emmc_c_clkc: mmc@7000 {
+ compatible = "amlogic,meson-axg-mmc-clkc", "syscon";
+ reg = <0x0 0x7000 0x0 0x800>;
+ };
+
+ nand-controller@7800 {
+ compatible = "amlogic,meson-axg-nfc";
+ reg = <0x0 0x7800 0x0 0x100>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>;
+
+ clocks = <&clkc CLKID_SD_EMMC_C>,
+ <&sd_emmc_c_clkc CLKID_MMC_DIV>,
+ <&sd_emmc_c_clkc CLKID_MMC_PHASE_RX>,
+ <&sd_emmc_c_clkc CLKID_MMC_PHASE_TX>;
+ clock-names = "core", "device", "rx", "tx";
+ amlogic,mmc-syscon = <&sd_emmc_c_clkc>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&nand_pins>;
+
+ nand@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ nand-on-flash-bbt;
+ };
+ };
--
1.9.1
next prev parent reply other threads:[~2018-12-21 11:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-21 11:45 [PATCH RESEND v8 0/2] mtd: rawnand: meson: add Amlogic NAND driver support Jianxin Pan
2018-12-21 11:45 ` Jianxin Pan [this message]
2018-12-21 11:45 ` [PATCH RESEND v8 2/2] mtd: rawnand: meson: add support for Amlogic NAND flash controller Jianxin Pan
2018-12-22 17:07 ` Martin Blumenstingl
2018-12-25 7:55 ` Liang Yang
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