Re: [PATCH] ARM: STi: Add support for the FSM Serial Flash Controller

From: Maxime Coquelin
Date: Thu Mar 20 2014 - 14:48:57 EST




On 03/20/2014 04:55 PM, Lee Jones wrote:
Here we add the necessary device nodes required for successful device
probing and Pinctrl setup for the FSM.

Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxx>
Acked-by Angus Clark <angus.clark@xxxxxx>
Acked-by: Brian Norris <computersforpeace@xxxxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
arch/arm/boot/dts/stih416-pinctrl.dtsi | 13 +++++++++++++
arch/arm/boot/dts/stih416.dtsi | 13 +++++++++++++
arch/arm/boot/dts/stih41x-b2020.dtsi | 1 +
arch/arm/boot/dts/stih41x-b2020x.dtsi | 28 ++++++++++++++++++++++++++++
Could you please split this patch in two ?
1 - stih416-pinctrl.dtsi and stih416.dtsi
2 - stih41x-b2020.dtsi and stih41x-b2020x.dtsi

Once these changes done, you can add

Acked-by: Maxime Coquelin <maxime.coquelin@xxxxxx>

Thanks,
Maxime

4 files changed, 55 insertions(+)
create mode 100644 arch/arm/boot/dts/stih41x-b2020x.dtsi

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";
+ };
};
};
diff --git a/arch/arm/boot/dts/stih41x-b2020.dtsi b/arch/arm/boot/dts/stih41x-b2020.dtsi
index 0ef0a69..01487e0 100644
--- a/arch/arm/boot/dts/stih41x-b2020.dtsi
+++ b/arch/arm/boot/dts/stih41x-b2020.dtsi
@@ -6,6 +6,7 @@
* it under the terms of the GNU General Public License version 2 as
* publishhed by the Free Software Foundation.
*/
+#include "stih41x-b2020x.dtsi"
/ {
memory{
device_type = "memory";
diff --git a/arch/arm/boot/dts/stih41x-b2020x.dtsi b/arch/arm/boot/dts/stih41x-b2020x.dtsi
new file mode 100644
index 0000000..df01c12
--- /dev/null
+++ b/arch/arm/boot/dts/stih41x-b2020x.dtsi
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2013 STMicroelectronics (R&D) Limited.
+ * Author: Lee Jones <lee.jones@xxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * publishhed by the Free Software Foundation.
+ */
+/ {
+ soc {
+ spifsm: spifsm@fe902000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ status = "okay";
+
+ partition@0 {
+ label = "SerialFlash1";
+ reg = <0x00000000 0x00500000>;
+ };
+
+ partition@500000 {
+ label = "SerialFlash2";
+ reg = <0x00500000 0x00b00000>;
+ };
+ };
+ };
+};

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