Thread (11 messages) 11 messages, 2 authors, 2016-08-25
STALE3610d
Revisions (3)
  1. v1 [diff vs current]
  2. v2 current
  3. v3 [diff vs current]

[PATCH v2 3/7] scpi: Add support for Legacy match table for Amlogic GXBB SoC

From: Neil Armstrong <hidden>
Date: 2016-08-23 11:47:17
Also in: linux-amlogic, lkml
Subsystem: system control & power/management interface (scpi/scmi) message protocol drivers, the rest · Maintainers: Sudeep Holla, Linus Torvalds

Add new DT match table to setup the is_legacy boolean value across
the scpi functions.
Add the Amlogic GXBB SoC compatible for platform and as legacy match entry.

Signed-off-by: Neil Armstrong <redacted>
---
 drivers/firmware/arm_scpi.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c
index d24d1de..badef70 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -888,6 +888,11 @@ static int scpi_alloc_xfer_list(struct device *dev, struct scpi_chan *ch)
 	return 0;
 }
 
+static const struct of_device_id legacy_scpi_of_match[] = {
+	{.compatible = "amlogic,meson-gxbb-scpi"},
+	{},
+};
+
 static int scpi_probe(struct platform_device *pdev)
 {
 	int count, idx, ret;
@@ -900,6 +905,9 @@ static int scpi_probe(struct platform_device *pdev)
 	if (!scpi_info)
 		return -ENOMEM;
 
+	if (of_match_device(legacy_scpi_of_match, &pdev->dev))
+		scpi_info->is_legacy = true;
+
 	count = of_count_phandle_with_args(np, "mboxes", "#mbox-cells");
 	if (count < 0) {
 		dev_err(dev, "no mboxes property in '%s'\n", np->full_name);
@@ -996,6 +1004,7 @@ err:
 
 static const struct of_device_id scpi_of_match[] = {
 	{.compatible = "arm,scpi"},
+	{.compatible = "amlogic,meson-gxbb-scpi"},
 	{},
 };
 
-- 
1.9.1
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