[PATCH 2/4] dts: Add Evatronix NAND flash driver to ARTPEC-6 dtsi
From: Ricard Wanderlof <hidden>
Date: 2016-06-02 07:48:10
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add Evatronix NANDFLASH-CTRL NAND flash controller to ARTPEC-6 SoC. ONFi mode 2 timing has been set as this is compatible also with non-ONFi SLC NAND flashes, with higher throughput than the default ONFi mode 0. Signed-off-by: Ricard Wanderlof <redacted> --- arch/arm/boot/dts/artpec6.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/artpec6.dtsi b/arch/arm/boot/dts/artpec6.dtsi
index 3043016..17f6924 100644
--- a/arch/arm/boot/dts/artpec6.dtsi
+++ b/arch/arm/boot/dts/artpec6.dtsi@@ -266,5 +266,24 @@ clock-names = "uart_clk", "apb_pclk"; status = "disabled"; }; + nand: nand@f801e000 { + compatible = "evatronix,nandflash-ctrl"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xf801e000 0x0200>; + interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>; + /* ONFi mode 2 timing */ + /* Order is TIME_SEQ_0, TIME_SEQ_1, TIMINGS_ASYN, + * TIME_GEN_SEQ_0, _1, _2, _3 + */ + evatronix,timings = <0x080a0a32 0x0007020a 0x00000023 + 0x00000000 0x00000000 0x00000000 + 0x00000000>; + nand-ecc-mode = "hw"; + nand-ecc-algo = "bch"; + nand-on-flash-bbt; + nand-ecc-strength = <8>; + nand-ecc-step-size = <512>; + }; }; };
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1.7.10.4
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Ricard Wolf Wanderlöf ricardw(at)axis.com
Axis Communications AB, Lund, Sweden www.axis.com
Phone +46 46 272 2016 Fax +46 46 13 61 30