* [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu
@ 2019-11-20 18:20 Kamal Dasu
2019-11-20 18:20 ` [PATCH 2/3] arch: mips: brcm: Add 7425 flash-edu support Kamal Dasu
2019-12-04 19:12 ` [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu Rob Herring
0 siblings, 2 replies; 3+ messages in thread
From: Kamal Dasu @ 2019-11-20 18:20 UTC (permalink / raw)
To: linux-mtd
Cc: bcm-kernel-feedback-list, linux-kernel, Kamal Dasu,
David Woodhouse, Brian Norris, Marek Vasut, Miquel Raynal,
Richard Weinberger, Vignesh Raghavendra, Rob Herring,
Mark Rutland, devicetree
Adding support for EBI DMA unit (EDU).
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
---
.../devicetree/bindings/mtd/brcm,brcmnand.txt | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
index 82156dc8f304..05651a654c66 100644
--- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
+++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
@@ -35,11 +35,11 @@ Required properties:
(optional) NAND flash cache range (if at non-standard offset)
- reg-names : a list of the names corresponding to the previous register
ranges. Should contain "nand" and (optionally)
- "flash-dma" and/or "nand-cache".
-- interrupts : The NAND CTLRDY interrupt and (if Flash DMA is available)
- FLASH_DMA_DONE
-- interrupt-names : May be "nand_ctlrdy" or "flash_dma_done", if broken out as
- individual interrupts.
+ "flash-dma" or "flash-edu" and/or "nand-cache".
+- interrupts : The NAND CTLRDY interrupt, (if Flash DMA is available)
+ FLASH_DMA_DONE and if EDU is avaialble and used FLASH_EDU_DONE
+- interrupt-names : May be "nand_ctlrdy" or "flash_dma_done" or "flash_edu_done",
+ if broken out as individual interrupts.
May be "nand", if the SoC has the individual NAND
interrupts multiplexed behind another custom piece of
hardware
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/3] arch: mips: brcm: Add 7425 flash-edu support
2019-11-20 18:20 [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu Kamal Dasu
@ 2019-11-20 18:20 ` Kamal Dasu
2019-12-04 19:12 ` [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu Rob Herring
1 sibling, 0 replies; 3+ messages in thread
From: Kamal Dasu @ 2019-11-20 18:20 UTC (permalink / raw)
To: linux-mtd
Cc: bcm-kernel-feedback-list, linux-kernel, Kamal Dasu,
Kevin Cernekee, Florian Fainelli, Rob Herring, Mark Rutland,
Ralf Baechle, Paul Burton, James Hogan, linux-mips, devicetree
Nand controller v5.0 and v6.0 have nand edu blocks that enable
dma nand flash transfers. This allows for faster read and write
access.
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
---
arch/mips/boot/dts/brcm/bcm7425.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
index 410e61ebaf9e..aa0b2d39c902 100644
--- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
@@ -403,8 +403,8 @@
compatible = "brcm,brcmnand-v5.0", "brcm,brcmnand";
#address-cells = <1>;
#size-cells = <0>;
- reg-names = "nand";
- reg = <0x41b800 0x400>;
+ reg-names = "nand", "flash-edu";
+ reg = <0x41b800 0x400>, <0x41bc00 0x24>;
interrupt-parent = <&hif_l2_intc>;
interrupts = <24>;
status = "disabled";
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu
2019-11-20 18:20 [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu Kamal Dasu
2019-11-20 18:20 ` [PATCH 2/3] arch: mips: brcm: Add 7425 flash-edu support Kamal Dasu
@ 2019-12-04 19:12 ` Rob Herring
1 sibling, 0 replies; 3+ messages in thread
From: Rob Herring @ 2019-12-04 19:12 UTC (permalink / raw)
To: Kamal Dasu
Cc: linux-mtd, bcm-kernel-feedback-list, linux-kernel, Kamal Dasu,
David Woodhouse, Brian Norris, Marek Vasut, Miquel Raynal,
Richard Weinberger, Vignesh Raghavendra, Mark Rutland, devicetree
On Wed, 20 Nov 2019 13:20:57 -0500, Kamal Dasu wrote:
> Adding support for EBI DMA unit (EDU).
>
> Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
> ---
> .../devicetree/bindings/mtd/brcm,brcmnand.txt | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
Reviewed-by: Rob Herring <robh@kernel.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-11-20 18:20 [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu Kamal Dasu
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2019-12-04 19:12 ` [PATCH 1/3] dt: bindings: brcmnand: Add support for flash-edu Rob Herring
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