Merge tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt

Merge "ARM Keystone DTS updates" from Santosh Shilimkar:
- Add SOC compatible along with EVMs for future board variations.
- Add SPI nodes

* tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: dts: keystone: Update SoC specific compatible flags
ARM: keystone: Update compatible to have SoC specific matches
Documentation: dt: keystone: provide SoC specific compatible flags
ARM: dts: keystone: Add ti,keystone-spi for SPI

Documentation/devicetree/bindings/arm/keystone/keystone.txt

···
    the form "ti,keystone-*". Generic devices like gic, arch_timers, ns16550
    type UART should use the specified compatible for those devices.
 
+SoC families:
+
+- Keystone 2 generic SoC:
+   compatible = "ti,keystone"
+
+SoCs:
+
+- Keystone 2 Hawking/Kepler
+   compatible = ti,k2hk", "ti,keystone"
+- Keystone 2 Lamarr
+   compatible = ti,k2l", "ti,keystone"
+- Keystone 2 Edison
+   compatible = ti,k2e", "ti,keystone"
+
 Boards:
 -  Keystone 2 Hawking/Kepler EVM
-   compatible = "ti,k2hk-evm","ti,keystone"
+   compatible = "ti,k2hk-evm", "ti,k2hk", "ti,keystone"
 
 -  Keystone 2 Lamarr EVM
-   compatible = "ti,k2l-evm","ti,keystone"
+   compatible = "ti,k2l-evm", "ti, k2l", "ti,keystone"
 
 -  Keystone 2 Edison EVM
-   compatible = "ti,k2e-evm","ti,keystone"
+   compatible = "ti,k2e-evm", "ti,k2e", "ti,keystone"

arch/arm/boot/dts/k2e-evm.dts

···
 #include "k2e.dtsi"
 
 / {
-	compatible =  "ti,k2e-evm","ti,keystone";
+	compatible = "ti,k2e-evm", "ti,k2e", "ti,keystone";
 	model = "Texas Instruments Keystone 2 Edison EVM";
 
 	soc {

arch/arm/boot/dts/k2e.dtsi

···
  */
 
 / {
+	compatible = "ti,k2e", "ti,keystone";
+	model = "Texas Instruments Keystone 2 Edison SoC";
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;

arch/arm/boot/dts/k2hk-evm.dts

···
 #include "k2hk.dtsi"
 
 / {
-	compatible =  "ti,k2hk-evm","ti,keystone";
+	compatible =  "ti,k2hk-evm", "ti,k2hk", "ti,keystone";
 	model = "Texas Instruments Keystone 2 Kepler/Hawking EVM";
 
 	soc {

arch/arm/boot/dts/k2hk.dtsi

···
  */
 
 / {
+	compatible = "ti,k2hk", "ti,keystone";
+	model = "Texas Instruments Keystone 2 Kepler/Hawking SoC";
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;

arch/arm/boot/dts/k2l-evm.dts

···
 #include "k2l.dtsi"
 
 / {
-	compatible =  "ti,k2l-evm","ti,keystone";
+	compatible = "ti,k2l-evm", "ti,k2l", "ti,keystone";
 	model = "Texas Instruments Keystone 2 Lamarr EVM";
 
 	soc {

arch/arm/boot/dts/k2l.dtsi

···
  */
 
 / {
+	compatible = "ti,k2l", "ti,keystone";
+	model = "Texas Instruments Keystone 2 Lamarr SoC";
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;

arch/arm/boot/dts/keystone.dtsi

···
 #include "skeleton.dtsi"
 
 / {
+	compatible = "ti,keystone";
 	model = "Texas Instruments Keystone 2 SoC";
 	#address-cells = <2>;
 	#size-cells = <2>;
···
 		};
 
 		spi0: spi@21000400 {
-			compatible = "ti,dm6441-spi";
+			compatible = "ti,keystone-spi", "ti,dm6441-spi";
 			reg = <0x21000400 0x200>;
 			num-cs = <4>;
 			ti,davinci-spi-intr-line = <0>;
···
 		};
 
 		spi1: spi@21000600 {
-			compatible = "ti,dm6441-spi";
+			compatible = "ti,keystone-spi", "ti,dm6441-spi";
 			reg = <0x21000600 0x200>;
 			num-cs = <4>;
 			ti,davinci-spi-intr-line = <0>;
···
 		};
 
 		spi2: spi@21000800 {
-			compatible = "ti,dm6441-spi";
+			compatible = "ti,keystone-spi", "ti,dm6441-spi";
 			reg = <0x21000800 0x200>;
 			num-cs = <4>;
 			ti,davinci-spi-intr-line = <0>;

arch/arm/mach-keystone/keystone.c

···
 }
 
 static const char *const keystone_match[] __initconst = {
+	"ti,k2hk",
+	"ti,k2e",
+	"ti,k2l",
 	"ti,keystone",
 	NULL,
 };