[PATCH 2/2] memory: mtk-smi: add support for MT8167

Fabien Parent fparent at baylibre.com
Sun Sep 6 14:09:38 EDT 2020


Add support for the SMI IP on MT8167

Signed-off-by: Fabien Parent <fparent at baylibre.com>
---
 drivers/memory/mtk-smi.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index c21262502581..691e4c344cf8 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -19,6 +19,9 @@
 /* mt8173 */
 #define SMI_LARB_MMU_EN		0xf00
 
+/* mt8167 */
+#define MT8167_SMI_LARB_MMU_EN	0xfc0
+
 /* mt2701 */
 #define REG_SMI_SECUR_CON_BASE		0x5c0
 
@@ -179,6 +182,13 @@ static void mtk_smi_larb_config_port_mt8173(struct device *dev)
 	writel(*larb->mmu, larb->base + SMI_LARB_MMU_EN);
 }
 
+static void mtk_smi_larb_config_port_mt8167(struct device *dev)
+{
+	struct mtk_smi_larb *larb = dev_get_drvdata(dev);
+
+	writel(*larb->mmu, larb->base + MT8167_SMI_LARB_MMU_EN);
+}
+
 static void mtk_smi_larb_config_port_gen1(struct device *dev)
 {
 	struct mtk_smi_larb *larb = dev_get_drvdata(dev);
@@ -226,6 +236,11 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8173 = {
 	.config_port = mtk_smi_larb_config_port_mt8173,
 };
 
+static const struct mtk_smi_larb_gen mtk_smi_larb_mt8167 = {
+	/* mt8167 do not need the port in larb */
+	.config_port = mtk_smi_larb_config_port_mt8167,
+};
+
 static const struct mtk_smi_larb_gen mtk_smi_larb_mt2701 = {
 	.port_in_larb = {
 		LARB0_PORT_OFFSET, LARB1_PORT_OFFSET,
@@ -254,6 +269,10 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8183 = {
 };
 
 static const struct of_device_id mtk_smi_larb_of_ids[] = {
+	{
+		.compatible = "mediatek,mt8167-smi-larb",
+		.data = &mtk_smi_larb_mt8167
+	},
 	{
 		.compatible = "mediatek,mt8173-smi-larb",
 		.data = &mtk_smi_larb_mt8173
@@ -418,6 +437,10 @@ static const struct of_device_id mtk_smi_common_of_ids[] = {
 		.compatible = "mediatek,mt8173-smi-common",
 		.data = &mtk_smi_common_gen2,
 	},
+	{
+		.compatible = "mediatek,mt8167-smi-common",
+		.data = &mtk_smi_common_gen2,
+	},
 	{
 		.compatible = "mediatek,mt2701-smi-common",
 		.data = &mtk_smi_common_gen1,
-- 
2.28.0




More information about the linux-arm-kernel mailing list