ARM: dts: aspeed: everest: GPIOs support

This commit adds support for-
- Presence GPIOs
- I2C control GPIOs
- Op-panel GPIOs (ex PHR)

Signed-off-by: Alpana Kumari <alpankum@in.ibm.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Brandon Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20210329150020.13632-19-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index ad6f5b3..88e6ac0 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -204,6 +204,37 @@
        };
 };
 
+&gpio0 {
+       gpio-line-names =
+       /*A0-A7*/       "","","","","","","","",
+       /*B0-B7*/       "USERSPACE_RSTIND_BUFF","","","","","","","",
+       /*C0-C7*/       "","","","","","","","",
+       /*D0-D7*/       "","","","","","","","",
+       /*E0-E7*/       "","","","","","","","",
+       /*F0-F7*/       "PIN_HOLE_RESET_IN_N","","",
+                               "PIN_HOLE_RESET_OUT_N","","","","",
+       /*G0-G7*/       "","","","","","","","",
+       /*H0-H7*/       "","","","","","","","",
+       /*I0-I7*/       "","","","","","","","",
+       /*J0-J7*/       "","","","","","","","",
+       /*K0-K7*/       "","","","","","","","",
+       /*L0-L7*/       "","","","","","","","",
+       /*M0-M7*/       "","","","","","","","",
+       /*N0-N7*/       "","","","","","","","",
+       /*O0-O7*/       "","","","","","","","",
+       /*P0-P7*/       "","","","","","","","",
+       /*Q0-Q7*/       "","","","","","","","",
+       /*R0-R7*/       "","","","","","I2C_FLASH_MICRO_N","","",
+       /*S0-S7*/       "","","","","","","","",
+       /*T0-T7*/       "","","","","","","","",
+       /*U0-U7*/       "","","","","","","","",
+       /*V0-V7*/       "","BMC_3RESTART_ATTEMPT_P","","","","","","",
+       /*W0-W7*/       "","","","","","","","",
+       /*X0-X7*/       "","","","","","","","",
+       /*Y0-Y7*/       "","","","","","","","",
+       /*Z0-Z7*/   "","","","","","","","";
+};
+
 &i2c0 {
        status = "okay";
 
@@ -211,10 +242,276 @@
                compatible = "atmel,24c64";
                reg = <0x51>;
        };
+
+       pca1: pca9552@62 {
+               compatible = "nxp,pca9552";
+               reg = <0x62>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               gpio-line-names =
+                       "presence-ps0",
+                       "presence-ps1",
+                       "presence-ps2",
+                       "presence-ps3",
+                       "presence-pdb",
+                       "presence-tpm",
+                       "", "",
+                       "presence-cp0",
+                       "presence-cp1",
+                       "presence-cp2",
+                       "presence-cp3",
+                       "presence-dasd",
+                       "presence-lcd-op",
+                       "presence-base-op",
+                       "";
+
+               gpio@0 {
+                       reg = <0>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@01 {
+                       reg = <1>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@2 {
+                       reg = <2>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@3 {
+                       reg = <3>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@4 {
+                       reg = <4>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@5 {
+                       reg = <5>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@6 {
+                       reg = <6>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@7 {
+                       reg = <7>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@8 {
+                       reg = <8>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@9 {
+                       reg = <9>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@10 {
+                       reg = <10>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@11 {
+                       reg = <11>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@12 {
+                       reg = <12>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@13 {
+                       reg = <13>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@14 {
+                       reg = <14>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@15 {
+                       reg = <15>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+       };
 };
 
 &i2c1 {
        status = "okay";
+
+       pca2: pca9552@61 {
+               compatible = "nxp,pca9552";
+               reg = <0x61>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               gpio-line-names =
+                       "presence-cable-card1",
+                       "presence-cable-card2",
+                       "presence-cable-card3",
+                       "presence-cable-card4",
+                       "presence-cable-card5",
+                       "expander-cable-card1",
+                       "expander-cable-card2",
+                       "expander-cable-card3",
+                       "expander-cable-card4",
+                       "expander-cable-card5";
+
+               gpio@0 {
+                       reg = <0>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@1 {
+                       reg = <1>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@2 {
+                       reg = <2>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@3 {
+                       reg = <3>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@4 {
+                       reg = <4>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@5 {
+                       reg = <5>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@6 {
+                       reg = <6>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@7 {
+                       reg = <7>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@8 {
+                       reg = <8>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@9 {
+                       reg = <9>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+       };
+
+       pca3: pca9552@62 {
+               compatible = "nxp,pca9552";
+               reg = <0x62>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               gpio-line-names =
+                       "presence-cable-card6",
+                       "presence-cable-card7",
+                       "presence-cable-card8",
+                       "presence-cable-card9",
+                       "presence-cable-card10",
+                       "presence-cable-card11",
+                       "expander-cable-card6",
+                       "expander-cable-card7",
+                       "expander-cable-card8",
+                       "expander-cable-card9",
+                       "expander-cable-card10",
+                       "expander-cable-card11";
+
+               gpio@0 {
+                       reg = <0>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@1 {
+                       reg = <1>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@2 {
+                       reg = <2>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@3 {
+                       reg = <3>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@4 {
+                       reg = <4>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@5 {
+                       reg = <5>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@6 {
+                       reg = <6>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@7 {
+                       reg = <7>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@8 {
+                       reg = <8>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@9 {
+                       reg = <9>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@10 {
+                       reg = <10>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@11 {
+                       reg = <11>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+       };
+
 };
 
 &i2c2 {