[PATCH 5/5] ARM: dts: at91: Add the NOR flash available on sama5d3 dev kits
Boris Brezillon
boris.brezillon at free-electrons.com
Tue May 30 01:32:50 PDT 2017
sama5d3 CPU modules embed a parallel NOR flash connected to the EBI bus.
Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
arch/arm/boot/dts/sama5d3xcm.dtsi | 27 +++++++++++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi
index 4606e1d7e6f2..9506daf5efb6 100644
--- a/arch/arm/boot/dts/sama5d3xcm.dtsi
+++ b/arch/arm/boot/dts/sama5d3xcm.dtsi
@@ -37,10 +37,33 @@
};
ebi at 10000000 {
- pinctrl-0 = <&pinctrl_ebi_nand_addr>;
- pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ebi_addr &pinctrl_ebi_cs0>;
+ pinctr-name = "default";
status = "okay";
+ nor: flash at 0,0 {
+ compatible = "cfi-flash";
+ linux,mtd-name = "physmap-flash.0";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x0 0x0 0x1000000>;
+ bank-width = <2>;
+ atmel,smc-read-mode = "nrd";
+ atmel,smc-write-mode = "nwe";
+ atmel,smc-bus-width = <16>;
+ atmel,smc-ncs-rd-setup-ns = <0>;
+ atmel,smc-ncs-wr-setup-ns = <0>;
+ atmel,smc-nwe-setup-ns = <8>;
+ atmel,smc-nrd-setup-ns = <16>;
+ atmel,smc-ncs-rd-pulse-ns = <84>;
+ atmel,smc-ncs-wr-pulse-ns = <84>;
+ atmel,smc-nrd-pulse-ns = <76>;
+ atmel,smc-nwe-pulse-ns = <76>;
+ atmel,smc-nrd-cycle-ns = <107>;
+ atmel,smc-nwe-cycle-ns = <84>;
+ atmel,smc-tdf-ns = <16>;
+ };
+
nand_controller: nand-controller {
status = "okay";
--
2.7.4
More information about the linux-arm-kernel
mailing list