[PATCH 14/14] arm: dts: OpenPower Palmetto system can use coprocessor for FSI

[Benjamin Herrenschmidt]

This switches away from userspace bitbanging to kernel FSI
using the coprocessor.

Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
 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