[PATCH 14/14] arm: dts: OpenPower Palmetto system can use coprocessor for FSI
From: Benjamin Herrenschmidt
Date: Tue Jun 26 2018 - 20:28:36 EST
This switches away from userspace bitbanging to kernel FSI
using the coprocessor.
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 31 ++++++++++++++-----
1 file changed, 24 insertions(+), 7 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
index e6095f51ecf5..ba49b812e0bd 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
@@ -31,6 +31,11 @@
no-map;
reg = <0x98000000 0x01000000>; /* 16MB */
};
+
+ coldfire_memory: codefire_memory@5ee00000 {
+ reg = <0x5ee00000 0x00200000>;
+ no-map;
+ };
};
leds {
@@ -49,6 +54,25 @@
};
};
+ fsi: gpio-fsi {
+ compatible = "ibm,fsi-master-ast2400-cf", "fsi-master";
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ memory-region = <&coldfire_memory>;
+ sram = <&sram>;
+ cvic = <&cvic>;
+
+ fw-name = "palmetto";
+ fw-platform-sig = <0x5061>;
+
+ clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
+ data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>;
+ mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
+ enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
+ trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
+ };
+
gpio-keys {
compatible = "gpio-keys";
@@ -323,13 +347,6 @@
line-name = "SYS_PWROK_BMC";
};
- pin_gpio_h6 {
- gpio-hog;
- gpios = <ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
- output-high;
- line-name = "SCM1_FSI0_DATA_EN";
- };
-
pin_gpio_h7 {
gpio-hog;
gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
--
2.17.1