diff options
| author | Fred Chen <fredchen.openbmc@gmail.com> | 2025-11-25 16:59:30 +0300 |
|---|---|---|
| committer | Andrew Jeffery <andrew@codeconstruct.com.au> | 2025-12-14 11:37:16 +0300 |
| commit | 22f8985f9594f0ee4d450e90095ed9cb612488fe (patch) | |
| tree | 277fbe320379f83ac273c95198cfcf618bfc8a2f | |
| parent | 033089ff268b825316183aea655b0c8e99b11faf (diff) | |
| download | linux-22f8985f9594f0ee4d450e90095ed9cb612488fe.tar.xz | |
ARM: dts: aspeed: santabarbara: Add swb IO expander and gpio line names
Add IO expander emulated by the switch board CPLD to handle UART and SPI
mux control signals. Also add SGPIO labels with FM_MODULE_PWR_EN_N_*
signals, which control power to each ASIC module individually.
Signed-off-by: Fred Chen <fredchen.openbmc@gmail.com>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
| -rw-r--r-- | arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts index f74f463cc878..4312ead311df 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts @@ -1328,6 +1328,20 @@ &i2c12 { status = "okay"; + gpio@27 { + compatible = "nxp,pca9555"; + reg = <0x27>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = + "PEX0_MODE_SEL1_R","PEX0_MODE_SEL2_R", + "PEX0_MODE_SEL3_R","PEX0_MODE_SEL4_R", + "","","","", + "UART_MUX_SEL","RST_SMB_NIC_R_N", + "RST_SMB_N","RST_CP2102N_N", + "SPI_MUX_SEL","","",""; + }; + // SWB FRU eeprom@52 { compatible = "atmel,24c64"; @@ -1758,11 +1772,11 @@ "","BIOS_DEBUG_MODE", /*H0-H3 line 112-119*/ "FM_IOEXP_U538_INT_N","", - "FM_IOEXP_U539_INT_N","", - "FM_IOEXP_U540_INT_N","", - "FM_IOEXP_U541_INT_N","", + "FM_IOEXP_U539_INT_N","FM_MODULE_PWR_EN_N_1B", + "FM_IOEXP_U540_INT_N","FM_MODULE_PWR_EN_N_2B", + "FM_IOEXP_U541_INT_N","FM_MODULE_PWR_EN_N_3B", /*H4-H7 line 120-127*/ - "FM_IOEXP_PDB2_U1003_INT_N","", + "FM_IOEXP_PDB2_U1003_INT_N","FM_MODULE_PWR_EN_N_4B", "","", "","", "FM_MAIN_PWREN_RMC_EN_ISO_R","", |