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[v9,10/10] arm64: dts: rockchip: Enable SFC for Odroid Go Advance

Message ID 20210625071923.11042-1-jon.lin@rock-chips.com (mailing list archive)
State Superseded
Headers show
Series Add Rockchip SFC(serial flash controller) support | expand

Commit Message

Jon Lin June 25, 2021, 7:19 a.m. UTC 
From: Chris Morgan <macromorgan@hotmail.com>

This enables the Rockchip Serial Flash Controller for the Odroid Go
Advance. Note that while the attached SPI NOR flash and the controller
both support quad read mode, only 2 of the required 4 pins are present.
The rx and tx bus width is set to 2 for this reason.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
---

Changes in v9: None
Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
Changes in v1: None

 .../boot/dts/rockchip/rk3326-odroid-go2.dts      | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts
index 49c97f76df77..f78e11dd8447 100644
--- a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts
@@ -484,6 +484,22 @@ 
 	status = "okay";
 };
 
+&sfc {
+	pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus2>;
+	pinctrl-names = "default";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <108000000>;
+		spi-rx-bus-width = <2>;
+		spi-tx-bus-width = <2>;
+	};
+};
+
 &tsadc {
 	status = "okay";
 };