Merge tag 'actions-drivers+s900-sps-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers

Actions Semi SoC drivers for v4.20 #2

The SPS power domain driver is extended for S900 SoC.
This required merging a topic branch for the new bindings header.

* tag 'actions-drivers+s900-sps-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  soc: actions: sps: Add S900 power domains
  dt-bindings: power: Add Actions Semi S900 SPS
  soc: actions: Update SPS help text for S700
  soc: actions: Convert to SPDX license identifiers

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

4 files changed, 63 insertions, 11 deletions

diff --git a/drivers/soc/actions/Kconfig b/drivers/soc/actions/Kconfig
index 9d68b5a771c3..1a0b9649efb4 100644
--- a/drivers/soc/actions/Kconfig
+++ b/drivers/soc/actions/Kconfig
@@ -10,7 +10,7 @@ config OWL_PM_DOMAINS
 	select PM_GENERIC_DOMAINS
 	help
 	  Say 'y' here to enable support for Smart Power System (SPS)
-	  power-gating on Actions Semiconductor S500 SoC.
+	  power-gating on Actions Semiconductor S500, S700 and S900 SoCs.
 	  If unsure, say 'n'.
 
 endif
diff --git a/drivers/soc/actions/Makefile b/drivers/soc/actions/Makefile
index 1e101b06bab1..4db9e7b050e5 100644
--- a/drivers/soc/actions/Makefile
+++ b/drivers/soc/actions/Makefile
@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
+
 obj-$(CONFIG_OWL_PM_DOMAINS_HELPER) += owl-sps-helper.o
 obj-$(CONFIG_OWL_PM_DOMAINS) += owl-sps.o
diff --git a/drivers/soc/actions/owl-sps-helper.c b/drivers/soc/actions/owl-sps-helper.c
index 9d7a2c2b44ec..291a206d6f04 100644
--- a/drivers/soc/actions/owl-sps-helper.c
+++ b/drivers/soc/actions/owl-sps-helper.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Actions Semi Owl Smart Power System (SPS) shared helpers
  *
@@ -5,11 +6,6 @@
  * Author: Actions Semi, Inc.
  *
  * Copyright (c) 2017 Andreas Färber
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #include <linux/delay.h>
diff --git a/drivers/soc/actions/owl-sps.c b/drivers/soc/actions/owl-sps.c
index 032921d8d41f..73a9e0bb7e8e 100644
--- a/drivers/soc/actions/owl-sps.c
+++ b/drivers/soc/actions/owl-sps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Actions Semi Owl Smart Power System (SPS)
  *
@@ -5,11 +6,6 @@
  * Author: Actions Semi, Inc.
  *
  * Copyright (c) 2017 Andreas Färber
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #include <linux/of_address.h>
@@ -18,6 +14,7 @@
 #include <linux/soc/actions/owl-sps.h>
 #include <dt-bindings/power/owl-s500-powergate.h>
 #include <dt-bindings/power/owl-s700-powergate.h>
+#include <dt-bindings/power/owl-s900-powergate.h>
 
 struct owl_sps_domain_info {
 	const char *name;
@@ -244,9 +241,66 @@ static const struct owl_sps_info s700_sps_info = {
 	.domains = s700_sps_domains,
 };
 
+static const struct owl_sps_domain_info s900_sps_domains[] = {
+	[S900_PD_GPU_B] = {
+		.name = "GPU_B",
+		.pwr_bit = 3,
+	},
+	[S900_PD_VCE] = {
+		.name = "VCE",
+		.pwr_bit = 4,
+	},
+	[S900_PD_SENSOR] = {
+		.name = "SENSOR",
+		.pwr_bit = 5,
+	},
+	[S900_PD_VDE] = {
+		.name = "VDE",
+		.pwr_bit = 6,
+	},
+	[S900_PD_HDE] = {
+		.name = "HDE",
+		.pwr_bit = 7,
+	},
+	[S900_PD_USB3] = {
+		.name = "USB3",
+		.pwr_bit = 8,
+	},
+	[S900_PD_DDR0] = {
+		.name = "DDR0",
+		.pwr_bit = 9,
+	},
+	[S900_PD_DDR1] = {
+		.name = "DDR1",
+		.pwr_bit = 10,
+	},
+	[S900_PD_DE] = {
+		.name = "DE",
+		.pwr_bit = 13,
+	},
+	[S900_PD_NAND] = {
+		.name = "NAND",
+		.pwr_bit = 14,
+	},
+	[S900_PD_USB2_H0] = {
+		.name = "USB2_H0",
+		.pwr_bit = 15,
+	},
+	[S900_PD_USB2_H1] = {
+		.name = "USB2_H1",
+		.pwr_bit = 16,
+	},
+};
+
+static const struct owl_sps_info s900_sps_info = {
+	.num_domains = ARRAY_SIZE(s900_sps_domains),
+	.domains = s900_sps_domains,
+};
+
 static const struct of_device_id owl_sps_of_matches[] = {
 	{ .compatible = "actions,s500-sps", .data = &s500_sps_info },
 	{ .compatible = "actions,s700-sps", .data = &s700_sps_info },
+	{ .compatible = "actions,s900-sps", .data = &s900_sps_info },
 	{ }
 };