From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Date: Wed, 27 Jun 2018 09:26:05 +1000 Subject: [PATCH 14/14] arm: dts: OpenPower Palmetto system can use coprocessor for FSI In-Reply-To: <20180626232605.13420-1-benh@kernel.crashing.org> References: <20180626232605.13420-1-benh@kernel.crashing.org> Message-ID: <20180626232605.13420-15-benh@kernel.crashing.org> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit This switches away from userspace bitbanging to kernel FSI using the coprocessor. Signed-off-by: Benjamin Herrenschmidt --- 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 at 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 = ; - output-high; - line-name = "SCM1_FSI0_DATA_EN"; - }; - pin_gpio_h7 { gpio-hog; gpios = ; -- 2.17.1