Merge branch 'bits/060-spi' into asahi-wip

Author: jannau

Documentation/devicetree/bindings/spi/apple,spi.yaml

@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/apple,spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple ARM SoC SPI controller
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+maintainers:
+  - Hector Martin <marcan@marcan.st>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - apple,t8103-spi
+          - apple,t8112-spi
+          - apple,t6000-spi
+      - const: apple,spi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/apple-aic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      spi@39b104000 {
+        compatible = "apple,t6000-spi", "apple,spi";
+        reg = <0x3 0x9b104000 0x0 0x4000>;
+        interrupt-parent = <&aic>;
+        interrupts = <AIC_IRQ 0 1107 IRQ_TYPE_LEVEL_HIGH>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        clocks = <&clk>;
+      };
+    };

drivers/spi/Kconfig

@@ -96,6 +96,17 @@ config SPI_AMLOGIC_SPIFC_A1
 	  This enables master mode support for the SPIFC (SPI flash
 	  controller) available in Amlogic A1 (A113L SoC).
 
+config SPI_APPLE
+	tristate "Apple SoC SPI Controller platform driver"
+	depends on ARCH_APPLE || COMPILE_TEST
+	help
+	  This enables support for the SPI controller present on
+	  many Apple SoCs, including the t8103 (M1), t8112 (M2)
+	  and t600x (M1 Pro/Max/Ultra). Multiple SPI controller
+	  instances are present on the SoC and each connects usually
+	  to a single device like spi-nor (nvram), input device controller
+	  or fingerprint sensor.
+
 config SPI_AR934X
 	tristate "Qualcomm Atheros AR934X/QCA95XX SPI controller driver"
 	depends on ATH79 || COMPILE_TEST

drivers/spi/Makefile

@@ -19,6 +19,7 @@ obj-$(CONFIG_SPI_ALTERA)		+= spi-altera-platform.o
 obj-$(CONFIG_SPI_ALTERA_CORE)		+= spi-altera-core.o
 obj-$(CONFIG_SPI_ALTERA_DFL)		+= spi-altera-dfl.o
 obj-$(CONFIG_SPI_AMLOGIC_SPIFC_A1)	+= spi-amlogic-spifc-a1.o
+obj-$(CONFIG_SPI_APPLE)			+= spi-apple.o
 obj-$(CONFIG_SPI_AR934X)		+= spi-ar934x.o
 obj-$(CONFIG_SPI_ARMADA_3700)		+= spi-armada-3700.o
 obj-$(CONFIG_SPI_ASPEED_SMC)		+= spi-aspeed-smc.o