From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Date: Fri, 18 Oct 2019 14:11:25 +0300
Subject: ARC: [plat-hsdk]: Enable on-board SPI NOR flash IC
Git-commit: 8ca8fa7f22dcb0a3265490a690b0c3e27de681f9
Patch-mainline: 5.4-rc6
References: bnc#1151927 5.3.11
HSDK board has sst26wf016b SPI NOR flash IC installed, enable it.
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
arch/arc/boot/dts/hsdk.dts | 8 ++++++++
arch/arc/configs/hsdk_defconfig | 2 ++
2 files changed, 10 insertions(+)
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -264,6 +264,14 @@
clocks = <&input_clk>;
cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>,
<&creg_gpio 1 GPIO_ACTIVE_LOW>;
+
+ spi-flash@0 {
+ compatible = "sst26wf016b", "jedec,spi-nor";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <4000000>;
+ };
};
creg_gpio: gpio@14b0 {
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -31,6 +31,8 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+CONFIG_MTD=y
+CONFIG_MTD_SPI_NOR=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y