On Wed, 26 Jun 2019, at 11:31, Andrew MS1 Peng wrote:
> Hi Andrew
>
> We've got a couple of patches on their way upstream for 5.3 that remove
> the need to reserve memory simply to satisfy the aspeed-lpc-ctrl driver.
> If you base the patch on top of Joel's aspeed-5.3-soc tag you can
> remove this node and the phandle reference to it.
> I reserve 1MB for lpc-bridge in DT file for in-band firmware update
> (phosphor-ipmi-flash).
Ah! Great. I'll keep that in mind in future reviews.
>
> Just want to confirm that you want the kernel to hog these lines (the
> consequence is they're unavailable to userspace).
> Yes, I have confirmed the setting of GPIO.
Thanks. In which case:
Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx>
>
> Regards,
> Andrew Peng
>
> -----邮件原件-----
> 发件人: Andrew Jeffery <andrew@xxxxxxxx>
> 发送时间: 2019年6月26日 8:31
> 收件人: Andrew MS1 Peng <pengms1@xxxxxxxxxx>; Patrick Venture
> <venture@xxxxxxxxxx>; Benjamin Fair <benjaminfair@xxxxxxxxxx>;
> linux-kernel@xxxxxxxxxxxxxxx; linux-aspeed@xxxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> mark.rutland@xxxxxxx; Rob Herring <robh+dt@xxxxxxxxxx>
> 抄送: Lisa YJ19 Liu <liuyj19@xxxxxxxxxx>; Duke KH Du <dukh@xxxxxxxxxx>;
> Yonghui YH21 Liu <liuyh21@xxxxxxxxxx>; Harry Sung1 <hsung1@xxxxxxxxxx>;
> Joel Stanley <joel@xxxxxxxxx>; openbmc@xxxxxxxxxxxxxxxx; Derek Lin23
> <dlin23@xxxxxxxxxx>
> 主题: [External] Re: [PATCH] [PATCH v1] ARM: dts: aspeed: Adding Lenovo
> Hr855xg2 BMC
>
>
>
> On Tue, 25 Jun 2019, at 16:08, Andrew Peng wrote:
> > Initial introduction of Lenovo Hr855xg2 family equipped with Aspeed
> > 2500 BMC SoC. Hr855xg2 is a x86 server development kit with a ASPEED
> > ast2500 BMC manufactured by Lenovo.
> > Specifically, This adds the Hr855xg2 platform device tree file used by
> > the Hr855xg2 BMC machines.
> >
> > This also adds an entry of Hr855xg2 device tree file in Makefile
> >
> > Signed-off-by: Andrew Peng <pengms1@xxxxxxxxxx>
> > Signed-off-by: Yonghui Liu <liuyh21@xxxxxxxxxx>
> > Signed-off-by: Lisa Liu <liuyj19@xxxxxxxxxx>
> > Signed-off-by: Harry Sung <hsung1@xxxxxxxxxx>
> > Signed-off-by: Derek Lin <dlin23@xxxxxxxxxx>
> > ---
> > arch/arm/boot/dts/Makefile | 1 +
> > arch/arm/boot/dts/aspeed-bmc-lenovo-hr855xg2.dts | 687
> > +++++++++++++++++++++++
> > 2 files changed, 688 insertions(+)
> > create mode 100644 arch/arm/boot/dts/aspeed-bmc-lenovo-hr855xg2.dts
> >
> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > index dab2914f..d874777 100644
> > --- a/arch/arm/boot/dts/Makefile
> > +++ b/arch/arm/boot/dts/Makefile
> > @@ -1269,6 +1269,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> > aspeed-bmc-facebook-cmm.dtb \
> > aspeed-bmc-facebook-tiogapass.dtb \
> > aspeed-bmc-intel-s2600wf.dtb \
> > + aspeed-bmc-lenovo-hr855xg2.dtb \
> > aspeed-bmc-opp-lanyang.dtb \
> > aspeed-bmc-opp-palmetto.dtb \
> > aspeed-bmc-opp-romulus.dtb \
> > diff --git a/arch/arm/boot/dts/aspeed-bmc-lenovo-hr855xg2.dts
> > b/arch/arm/boot/dts/aspeed-bmc-lenovo-hr855xg2.dts
> > new file mode 100644
> > index 0000000..d8dbf3a
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/aspeed-bmc-lenovo-hr855xg2.dts
> > @@ -0,0 +1,687 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Device Tree file for Lenovo Hr855xg2 platform
> > + *
> > + * Copyright (C) 2019-present Lenovo
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include "aspeed-g5.dtsi"
> > +#include <dt-bindings/gpio/aspeed-gpio.h>
> > +
> > +/ {
> > + model = "HR855XG2 BMC";
> > + compatible = "lenovo,hr855xg2-bmc", "aspeed,ast2500";
> > +
> > + aliases {
> > + i2c14 = &i2c_riser1;
> > + i2c15 = &i2c_riser2;
> > + i2c16 = &i2c_riser3;
> > + i2c17 = &i2c_M2;
> > + i2c18 = &channel_0;
> > + i2c19 = &channel_1;
> > + i2c20 = &channel_2;
> > + i2c21 = &channel_3;
> > + };
> > +
> > + chosen {
> > + stdout-path = &uart5;
> > + bootargs = "console=tty0 console=ttyS4,115200 earlyprintk";
> > + };
> > +
> > + memory@80000000 {
> > + device_type = "memory";
> > + reg = <0x80000000 0x20000000>;
> > + };
> > +
> > + reserved-memory {
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + ranges;
> > +
> > + flash_memory: region@98000000 {
> > + no-map;
> > + reg = <0x98000000 0x00100000>; /* 1M */
> > + };
>
> We've got a couple of patches on their way upstream for 5.3 that remove
> the need to reserve memory simply to satisfy the aspeed-lpc-ctrl driver.
>
> If you base the patch on top of Joel's aspeed-5.3-soc tag you can
> remove this node and the phandle reference to it.
>
> > +
> > + gfx_memory: framebuffer {
> > + size = <0x01000000>;
> > + alignment = <0x01000000>;
> > + compatible = "shared-dma-pool";
> > + reusable;
> > + };
> > + };
> > +
> > + leds {
> > + compatible = "gpio-leds";
> > +
> > + heartbeat {
> > + gpios = <&gpio ASPEED_GPIO(C, 7) GPIO_ACTIVE_LOW>;
> > + };
> > +
> > + fault {
> > + gpios = <&gpio ASPEED_GPIO(G, 3) GPIO_ACTIVE_LOW>;
> > + };
> > + };
> > +
> > + iio-hwmon {
> > + compatible = "iio-hwmon";
> > + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
> > + <&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>,
> > + <&adc 8>, <&adc 9>, <&adc 10>,<&adc 11>,
> > + <&adc 12>,<&adc 13>,<&adc 14>;
> > + };
> > +
> > + iio-hwmon-battery {
> > + compatible = "iio-hwmon";
> > + io-channels = <&adc 15>;
> > + };
> > +
> > +};
> > +
> > +&fmc {
> > + status = "okay";
> > + flash@0 {
> > + status = "okay";
> > + m25p,fast-read;
> > + label = "bmc";
> > + spi-max-frequency = <50000000>;
> > +#include "openbmc-flash-layout.dtsi"
> > + };
> > +};
> > +
> > +&lpc_ctrl {
> > + status = "okay";
> > + memory-region = <&flash_memory>;
>
> i.e. remove the above.
>
> > + flash = <&spi1>;
> > +};
> > +
> > +&lpc_snoop {
> > + status = "okay";
> > + snoop-ports = <0x80>;
> > +};
> > +
> > +&uart1 {
> > + status = "okay";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_txd1_default
> > + &pinctrl_rxd1_default>;
> > +};
> > +
> > +&uart2 {
> > + /* Rear RS-232 connector */
> > + status = "okay";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_txd2_default
> > + &pinctrl_rxd2_default
> > + &pinctrl_nrts2_default
> > + &pinctrl_ndtr2_default
> > + &pinctrl_ndsr2_default
> > + &pinctrl_ncts2_default
> > + &pinctrl_ndcd2_default
> > + &pinctrl_nri2_default>;
> > +};
> > +
> > +&uart3 {
> > + status = "okay";
> > +};
> > +
> > +&uart5 {
> > + status = "okay";
> > +};
> > +
> > +&ibt {
> > + status = "okay";
> > +};
> > +
> > +&mac0 {
> > + status = "okay";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_rmii1_default>;
> > + use-ncsi;
> > +};
> > +
> > +&mac1 {
> > + status = "okay";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>; };
> > +
> > +&adc{
> > + status = "okay";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_adc0_default
> > + &pinctrl_adc1_default
> > + &pinctrl_adc2_default
> > + &pinctrl_adc3_default
> > + &pinctrl_adc4_default
> > + &pinctrl_adc5_default
> > + &pinctrl_adc6_default
> > + &pinctrl_adc7_default
> > + &pinctrl_adc8_default
> > + &pinctrl_adc9_default
> > + &pinctrl_adc10_default
> > + &pinctrl_adc11_default
> > + &pinctrl_adc12_default
> > + &pinctrl_adc13_default
> > + &pinctrl_adc14_default
> > + &pinctrl_adc15_default>;
> > +};
> > +
> > +&peci0 {
> > + status = "okay";
> > +
> > + peci-client@30 {
> > + compatible = "intel,peci-client";
> > + reg = <0x30>;
> > + };
> > +
> > + peci-client@31 {
> > + compatible = "intel,peci-client";
> > + reg = <0x31>;
> > + };
> > +
> > + peci-client@32 {
> > + compatible = "intel,peci-client";
> > + reg = <0x32>;
> > + };
> > +
> > + peci-client@33 {
> > + compatible = "intel,peci-client";
> > + reg = <0x33>;
> > + };
> > +};
> > +
> > +&i2c0 {
> > + status = "okay";
> > +
> > + i2c-switch@70 {
> > + compatible = "nxp,pca9545";
> > + reg = <0x70>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + i2c_riser1: i2c@0 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <0>;
> > + };
> > +
> > + i2c_riser2: i2c@1 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <1>;
> > + };
> > +
> > + i2c_riser3: i2c@2 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <2>;
> > + };
> > +
> > + i2c_M2: i2c@3 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <3>;
> > + };
> > + };
> > +};
> > +
> > +&i2c1 {
> > + status = "okay";
> > + bus-frequency = <90000>;
> > + HotSwap@10 {
> > + compatible = "adm1272";
> > + reg = <0x10>;
> > + };
> > +
> > + VR@45 {
> > + compatible = "pmbus";
> > + reg = <0x45>;
> > + };
> > +};
> > +
> > +&i2c2 {
> > + status = "okay";
> > +};
> > +
> > +&i2c3 {
> > + status = "okay";
> > + i2c-switch@70 {
> > + compatible = "nxp,pca9546";
> > + reg = <0x70>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + channel_0: i2c@0 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <0>;
> > + };
> > +
> > + channel_1: i2c@1 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <1>;
> > + };
> > +
> > + channel_2: i2c@2 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <2>;
> > + };
> > +
> > + channel_3: i2c@3 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <3>;
> > + };
> > + };
> > +};
> > +
> > +&i2c4 {
> > + status = "okay";
> > +};
> > +
> > +&i2c5 {
> > + status = "okay";
> > +};
> > +
> > +&i2c6 {
> > + status = "okay";
> > + /* temp1 */
> > + tmp75@49 {
> > + compatible = "national,lm75";
> > + reg = <0x49>;
> > + };
> > +
> > + /* temp2 */
> > + tmp75@4d {
> > + compatible = "national,lm75";
> > + reg = <0x4d>;
> > + };
> > +
> > + eeprom@54 {
> > + compatible = "atmel,24c256";
> > + reg = <0x54>;
> > + pagesize = <16>;
> > + };
> > +};
> > +
> > +&i2c7 {
> > + status = "okay";
> > +};
> > +
> > +&i2c8 {
> > + status = "okay";
> > +};
> > +
> > +&i2c9 {
> > + status = "okay";
> > +};
> > +
> > +&i2c10 {
> > + status = "okay";
> > +};
> > +
> > +&i2c11 {
> > + status = "okay";
> > +};
> > +
> > +&i2c13 {
> > + status = "okay";
> > +};
> > +
> > +&ehci1 {
> > + status = "okay";
> > +};
> > +
> > +&uhci {
> > + status = "okay";
> > +};
> > +
> > +&gfx {
> > + status = "okay";
> > + memory-region = <&gfx_memory>;
> > +};
> > +
> > +&pwm_tacho {
> > + status = "okay";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_pwm0_default
> > + &pinctrl_pwm1_default
> > + &pinctrl_pwm2_default
> > + &pinctrl_pwm3_default
> > + &pinctrl_pwm4_default
> > + &pinctrl_pwm5_default
> > + &pinctrl_pwm6_default
> > + &pinctrl_pwm7_default>;
> > +
> > + fan@0 {
> > + reg = <0x00>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x00>;
> > + };
> > +
> > + fan@1 {
> > + reg = <0x00>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x01>;
> > + };
> > +
> > + fan@2 {
> > + reg = <0x01>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x02>;
> > + };
> > +
> > + fan@3 {
> > + reg = <0x01>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x03>;
> > + };
> > +
> > + fan@4 {
> > + reg = <0x02>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x04>;
> > + };
> > +
> > + fan@5 {
> > + reg = <0x02>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x05>;
> > + };
> > +
> > + fan@6 {
> > + reg = <0x03>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x06>;
> > + };
> > +
> > + fan@7 {
> > + reg = <0x03>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x07>;
> > + };
> > +
> > + fan@8 {
> > + reg = <0x04>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x08>;
> > + };
> > +
> > + fan@9 {
> > + reg = <0x04>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x09>;
> > + };
> > +
> > + fan@10 {
> > + reg = <0x05>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
> > + };
> > +
> > + fan@11 {
> > + reg = <0x05>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
> > + };
> > +
> > + fan@12 {
> > + reg = <0x06>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
> > + };
> > +
> > + fan@13 {
> > + reg = <0x06>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
> > + };
> > +
> > + fan@14 {
> > + reg = <0x07>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
> > + };
> > +
> > + fan@15 {
> > + reg = <0x07>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
> > + };
> > +
> > + fan@16 {
> > + reg = <0x07>;
> > + aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
> > + };
> > +};
> > +
> > +&gpio {
> > +
> > + pin_gpio_a1 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_LOW>;
> > + output-high;
> > + line-name = "BMC_EMMC_RST_N";
> > + };
> > +
> > + pin_gpio_a3 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
> > + output-high;
> > + line-name = "PCH_PWROK_BMC_FPGA";
> > + };
> > +
> > + pin_gpio_b5 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(B, 5) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "IRQ_BMC_PCH_SMI_LPC_N";
> > + };
> > +
> > + pin_gpio_b7 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_LOW>;
> > + output-low;
> > + line-name = "CPU_SM_WP";
> > + };
> > +
> > + pin_gpio_e0 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(E, 0) GPIO_ACTIVE_HIGH>;
> > + input;
> > + line-name = "PDB_PSU_SEL";
> > + };
> > +
> > + pin_gpio_e2 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(E, 2) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "LOCATOR_LED_N";
> > + };
> > +
> > + pin_gpio_e5 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(E, 5) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "FM_BMC_DBP_PRESENT_R1_N";
> > + };
> > +
> > + pin_gpio_e6 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(E, 6) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "BMC_ME_SECURITY_OVERRIDE_N";
> > + };
> > +
> > + pin_gpio_f0 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(F, 0) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "IRQ_BMC_PCH_NMI_R";
> > + };
> > +
> > + pin_gpio_f1 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>;
> > + input;
> > + line-name = "CPU2_PROCDIS_BMC_N";
> > + };
> > +
> > + pin_gpio_f2 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(F, 2) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "RM_THROTTLE_EN_N";
> > + };
> > +
> > + pin_gpio_f3 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(F, 3) GPIO_ACTIVE_HIGH>;
> > + output-low;
> > + line-name = "FM_PMBUS_ALERT_B_EN";
> > + };
> > +
> > + pin_gpio_f4 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "BMC_FORCE_NM_THROTTLE_N";
> > + };
> > +
> > + pin_gpio_f6 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(F, 6) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "FM_BMC_CPU_PWR_DEBUG_N";
> > + };
> > +
> > + pin_gpio_g7 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(G, 7) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "BMC_PCIE_I2C_MUX_RST_N";
> > + };
> > +
> > + pin_gpio_h6 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "FM_BMC_DBP_PRESENT_R2_N";
> > + };
> > +
> > + pin_gpio_i3 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(I, 3) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "SPI_BMC_BIOS_WP_N";
> > + };
> > +
> > + pin_gpio_j1 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(J, 1) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "BMC_USB_SEL";
> > + };
> > +
> > + pin_gpio_j2 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(J, 2) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "PDB_SMB_RST_N";
> > + };
> > +
> > + pin_gpio_j3 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(J, 3) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "SPI_BMC_BIOS_HOLD_N";
> > + };
> > +
> > + pin_gpio_l0 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(L, 0) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "PDB_FAN_TACH_SEL";
> > + };
> > +
> > + pin_gpio_l1 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(L, 1) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "SYS_RESET_BMC_FPGA_N";
> > + };
> > +
> > + pin_gpio_l4 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "FM_EFUSE_FAN_G1_EN";
> > + };
> > +
> > + pin_gpio_l5 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "FM_EFUSE_FAN_G2_EN";
> > + };
> > +
> > + pin_gpio_r6 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(R, 6) GPIO_ACTIVE_HIGH>;
> > + input;
> > + line-name = "CPU3_PROCDIS_BMC_N";
> > + };
> > +
> > + pin_gpio_r7 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
> > + input;
> > + line-name = "CPU4_PROCDIS_BMC_N";
> > + };
> > +
> > + pin_gpio_s1 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
> > + output-low;
> > + line-name = "DBP_SYSPWROK_BMC";
> > + };
> > +
> > + pin_gpio_s2 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "PCH_RST_RSMRST_N";
> > + };
> > +
> > + pin_gpio_s6 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(S, 6) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "BMC_HW_STRAP_5";
> > + };
> > +
> > + pin_gpio_z3 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "FM_BMC_PCH_SCI_LPC_N";
> > + };
> > +
> > + pin_gpio_aa0 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
> > + output-low;
> > + line-name = "FW_PSU_ALERT_EN_N";
> > + };
> > +
> > + pin_gpio_aa4 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(AA, 4) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "DBP_CPU_PREQ_N";
> > + };
> > +
> > + pin_gpio_ab3 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(AB, 3) GPIO_ACTIVE_HIGH>;
> > + output-low;
> > + line-name = "BMC_WDTRST";
> > + };
> > +
> > + pin_gpio_ac6 {
> > + gpio-hog;
> > + gpios = <ASPEED_GPIO(AC, 6) GPIO_ACTIVE_HIGH>;
> > + output-high;
> > + line-name = "ESPI_BMC_ALERT_N";
> > + };
>
> Just want to confirm that you want the kernel to hog these lines (the
> consequence is they're unavailable to userspace).
>
> Cheers,
>
> Andrew
>
> > +
> > +};
> > --
> > 2.7.4
> >
> >
>
