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Groups > linux.kernel > #1495735

[PATCH v4 4/8] scpi: Add support for Legacy match table for Amlogic GXBB SoC

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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 <narmstrong@baylibre.com>
---
 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 1fb3bbf..21fafbe 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -895,6 +895,11 @@ 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;
@@ -907,6 +912,9 @@ 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);
@@ -1009,6 +1017,7 @@ static int scpi_probe(struct platform_device *pdev)
 
 static const struct of_device_id scpi_of_match[] = {
 	{.compatible = "arm,scpi"},
+	{.compatible = "amlogic,meson-gxbb-scpi"},
 	{},
 };
 
-- 
1.9.1

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Thread

[PATCH v4 0/8] Add support for legacy SCPI protocol Neil Armstrong <narmstrong@baylibre.com> - 2016-10-05 09:40 +0200
  [PATCH v4 3/8] scpi: Do not fail if get_capabilities is not implemented Neil Armstrong <narmstrong@baylibre.com> - 2016-10-05 09:40 +0200
  [PATCH v4 4/8] scpi: Add support for Legacy match table for Amlogic GXBB SoC Neil Armstrong <narmstrong@baylibre.com> - 2016-10-05 09:40 +0200
  [PATCH v4 2/8] scpi: Add alternative legacy structures, functions and macros Neil Armstrong <narmstrong@baylibre.com> - 2016-10-05 09:40 +0200
    Re: [PATCH v4 2/8] scpi: Add alternative legacy structures, functions  and macros Sudeep Holla <sudeep.holla@arm.com> - 2016-10-10 16:40 +0200
  [PATCH v4 6/8] dt-bindings: Add support for Amlogic GXBB SCPI Interface Neil Armstrong <narmstrong@baylibre.com> - 2016-10-05 09:40 +0200
  [PATCH v4 5/8] scpi: grow MAX_DVFS_OPPS to 16 entries Neil Armstrong <narmstrong@baylibre.com> - 2016-10-05 09:40 +0200

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