[U-Boot] [PATCH 31/57] ahci: Add an AHCI uclass

[Simon Glass]

Add a uclass ID for AHCI/SATA. There are no operations and no interface so
far, but it is possible to probe a SATA device.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/block/Makefile      |  2 +-
 drivers/block/ahci-uclass.c | 14 ++++++++++++++
 include/dm/uclass-id.h      |  1 +
 3 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 drivers/block/ahci-uclass.c

diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index f161c01..b75c75d 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_SCSI_AHCI) += ahci.o
+obj-$(CONFIG_SCSI_AHCI) += ahci.o ahci-uclass.o
 obj-$(CONFIG_DWC_AHSATA) += dwc_ahsata.o
 obj-$(CONFIG_FSL_SATA) += fsl_sata.o
 obj-$(CONFIG_IDE_FTIDE020) += ftide020.o
diff --git a/drivers/block/ahci-uclass.c b/drivers/block/ahci-uclass.c
new file mode 100644
index 0000000..7b8c326
--- /dev/null
+++ b/drivers/block/ahci-uclass.c
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ * Written by Simon Glass <sjg at chromium.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+
+UCLASS_DRIVER(ahci) = {
+	.id		= UCLASS_AHCI,
+	.name		= "ahci",
+};
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index 4a6827b..c74601a 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -26,6 +26,7 @@ enum uclass_id {
 
 	/* U-Boot uclasses start here - in alphabetical order */
 	UCLASS_ADC,		/* Analog-to-digital converter */
+	UCLASS_AHCI,		/* AHCI / SATA controller */
 	UCLASS_CLK,		/* Clock source, e.g. used by peripherals */
 	UCLASS_CPU,		/* CPU, typically part of an SoC */
 	UCLASS_CROS_EC,		/* Chrome OS EC */
-- 
2.6.0.rc2.230.g3dd15c0