ARM: STi: stih416: Add support for the FSM Serial Flash Controller

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>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index e7f8b5f4460a..aeea304086eb 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -310,6 +310,19 @@
                                         };
                                 };
                         };
+
+                        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 8299a7b8fee8..78746d20382e 100644
--- a/arch/arm/boot/dts/stih416.dtsi
+++ b/arch/arm/boot/dts/stih416.dtsi
@@ -212,5 +212,17 @@
                         resets          = <&softreset STIH416_IRB_SOFTRESET>;
                 };
 
+                /* 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";
+                };
         };
 };