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Subject[PATCH 1/2] ARM: STi: stih416: Add support for the FSM Serial Flash Controller
Date
Here we add the necessary device nodes required for successful device
probing and Pinctrl setup for the FSM when booting on an STiH416 (Orly2).

Acked-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Acked-by Angus Clark <angus.clark@st.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
arch/arm/boot/dts/stih416-pinctrl.dtsi | 13 +++++++++++++
arch/arm/boot/dts/stih416.dtsi | 13 +++++++++++++
2 files changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index b29ff4b..81df8e7 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -210,6 +210,19 @@
};
};
};
+
+ fsm {
+ pinctrl_fsm: fsm {
+ st,pins {
+ spi-fsm-clk = <&PIO12 2 ALT1 OUT>;
+ spi-fsm-cs = <&PIO12 3 ALT1 OUT>;
+ spi-fsm-mosi = <&PIO12 4 ALT1 OUT>;
+ spi-fsm-miso = <&PIO12 5 ALT1 IN>;
+ spi-fsm-hol = <&PIO12 6 ALT1 OUT>;
+ spi-fsm-wp = <&PIO12 7 ALT1 OUT>;
+ };
+ };
+ };
};

pin-controller-rear {
diff --git a/arch/arm/boot/dts/stih416.dtsi b/arch/arm/boot/dts/stih416.dtsi
index b7ab47b..1e24b9e 100644
--- a/arch/arm/boot/dts/stih416.dtsi
+++ b/arch/arm/boot/dts/stih416.dtsi
@@ -145,5 +145,18 @@

status = "disabled";
};
+
+ /* FSM */
+ spifsm: spifsm@fe902000 {
+ compatible = "st,spi-fsm";
+ reg = <0xfe902000 0x1000>;
+ pinctrl-0 = <&pinctrl_fsm>;
+
+ st,syscfg = <&syscfg_rear>;
+ st,boot-device-reg = <0x958>;
+ st,boot-device-spi = <0x1a>;
+
+ status = "disabled";
+ };
};
};
--
1.8.3.2


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