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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>,
	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 v6 1/2] dt-bindings: nand: meson: add Amlogic NAND controller driver
Date: Fri, 2 Nov 2018 00:42:20 +0800	[thread overview]
Message-ID: <1541090542-19618-2-git-send-email-jianxin.pan@amlogic.com> (raw)
In-Reply-To: <1541090542-19618-1-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


  reply	other threads:[~2018-11-01 16:42 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-01 16:42 [PATCH v6 0/2] mtd: rawnand: meson: add Amlogic NAND driver support Jianxin Pan
2018-11-01 16:42 ` Jianxin Pan [this message]
2018-11-01 16:42 ` [PATCH v6 2/2] mtd: rawnand: meson: add support for Amlogic NAND flash controller Jianxin Pan
2018-11-05 15:53   ` Boris Brezillon
2018-11-06  9:08     ` Liang Yang
2018-11-06  9:28       ` Boris Brezillon
2018-11-06 10:00         ` Liang Yang
2018-11-06 10:22           ` Boris Brezillon
2018-11-06 11:08             ` Liang Yang
2018-11-06 16:16               ` Boris Brezillon
2018-11-07  2:13                 ` Liang Yang
2018-11-08  7:41                 ` Liang Yang
2018-11-12 16:13             ` Miquel Raynal
2018-11-12 16:54               ` Boris Brezillon
2018-11-12 17:45                 ` Boris Brezillon
2018-11-15 11:25                   ` Liang Yang
2018-11-15 13:04                     ` Miquel Raynal
2018-11-15 13:09                       ` Boris Brezillon
2018-11-16  8:29                         ` Liang Yang
2018-11-11 20:57 ` [PATCH v6 0/2] mtd: rawnand: meson: add Amlogic NAND driver support Miquel Raynal
2018-11-14  6:42   ` Jianxin Pan

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