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>

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 f74f463cc878186e836f73cec4e216fe7a17ebd7..4312ead311df98f7c425d248f0ce9b6d4441cd21 100644 (file)
--- 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","",