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>

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index e7f8b5f4460aed87c2f3254df51a2612125d76b7..aeea304086eb3b57c5682539643f0d6ca4540c0d 100644 (file)
--- 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 8299a7b8fee8de0c77dae225c7e63637173092db..78746d20382e3b653a1489decaf94602007b6e21 100644 (file)
--- 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";
+               };
        };
 };