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authorSascha Hauer <s.hauer@pengutronix.de>2017-10-06 06:12:41 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2017-10-06 06:12:41 +0200
commitebde8820a04dd73a09f50ba84b8cf8ec3773d6ba (patch)
tree031d15dcd26f5b737adddc5042a3ddabbb6051f7 /dts/Bindings/mtd/qcom_nandc.txt
parent15af9fc8cc9e18409893d2375271d64cac76924a (diff)
downloadbarebox-ebde8820a04dd73a09f50ba84b8cf8ec3773d6ba.tar.gz
barebox-ebde8820a04dd73a09f50ba84b8cf8ec3773d6ba.tar.xz
dts: update to v4.14-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/mtd/qcom_nandc.txt')
-rw-r--r--dts/Bindings/mtd/qcom_nandc.txt65
1 files changed, 59 insertions, 6 deletions
diff --git a/dts/Bindings/mtd/qcom_nandc.txt b/dts/Bindings/mtd/qcom_nandc.txt
index 70dd5118a3..73d336befa 100644
--- a/dts/Bindings/mtd/qcom_nandc.txt
+++ b/dts/Bindings/mtd/qcom_nandc.txt
@@ -1,11 +1,20 @@
* Qualcomm NAND controller
Required properties:
-- compatible: should be "qcom,ipq806x-nand"
+- compatible: must be one of the following:
+ * "qcom,ipq806x-nand" - for EBI2 NAND controller being used in IPQ806x
+ SoC and it uses ADM DMA
+ * "qcom,ipq4019-nand" - for QPIC NAND controller v1.4.0 being used in
+ IPQ4019 SoC and it uses BAM DMA
+ * "qcom,ipq8074-nand" - for QPIC NAND controller v1.5.0 being used in
+ IPQ8074 SoC and it uses BAM DMA
+
- reg: MMIO address range
- clocks: must contain core clock and always on clock
- clock-names: must contain "core" for the core clock and "aon" for the
always on clock
+
+EBI2 specific properties:
- dmas: DMA specifier, consisting of a phandle to the ADM DMA
controller node and the channel number to be used for
NAND. Refer to dma.txt and qcom_adm.txt for more details
@@ -16,6 +25,12 @@ Required properties:
- qcom,data-crci: must contain the ADM data type CRCI block instance
number specified for the NAND controller on the given
platform
+
+QPIC specific properties:
+- dmas: DMA specifier, consisting of a phandle to the BAM DMA
+ and the channel number to be used for NAND. Refer to
+ dma.txt, qcom_bam_dma.txt for more details
+- dma-names: must contain all 3 channel names : "tx", "rx", "cmd"
- #address-cells: <1> - subnodes give the chip-select number
- #size-cells: <0>
@@ -26,7 +41,6 @@ chip-selects which (may) contain NAND flash chips. Their properties are as
follows.
Required properties:
-- compatible: should contain "qcom,nandcs"
- reg: a single integer representing the chip-select
number (e.g., 0, 1, 2, etc.)
- #address-cells: see partition.txt
@@ -43,8 +57,8 @@ partition.txt for more detail.
Example:
-nand@1ac00000 {
- compatible = "qcom,ebi2-nandc";
+nand-controller@1ac00000 {
+ compatible = "qcom,ipq806x-nand";
reg = <0x1ac00000 0x800>;
clocks = <&gcc EBI2_CLK>,
@@ -59,8 +73,7 @@ nand@1ac00000 {
#address-cells = <1>;
#size-cells = <0>;
- nandcs@0 {
- compatible = "qcom,nandcs";
+ nand@0 {
reg = <0>;
nand-ecc-strength = <4>;
@@ -84,3 +97,43 @@ nand@1ac00000 {
};
};
};
+
+nand-controller@79b0000 {
+ compatible = "qcom,ipq4019-nand";
+ reg = <0x79b0000 0x1000>;
+
+ clocks = <&gcc GCC_QPIC_CLK>,
+ <&gcc GCC_QPIC_AHB_CLK>;
+ clock-names = "core", "aon";
+
+ dmas = <&qpicbam 0>,
+ <&qpicbam 1>,
+ <&qpicbam 2>;
+ dma-names = "tx", "rx", "cmd";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nand@0 {
+ reg = <0>;
+ nand-ecc-strength = <4>;
+ nand-ecc-step-size = <512>;
+ nand-bus-width = <8>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "boot-nand";
+ reg = <0 0x58a0000>;
+ };
+
+ partition@58a0000 {
+ label = "fs-nand";
+ reg = <0x58a0000 0x4000000>;
+ };
+ };
+ };
+};