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authorChunfeng Yun <chunfeng.yun@mediatek.com>2019-08-28 16:22:13 +0800
committerStephen Boyd <sboyd@kernel.org>2019-09-17 10:17:41 -0700
commitf9e55ac22ce9246c085e1c97ddda93608ce17eaf (patch)
tree09011ba3258a423a575e06c1cfd5ae123b3d372f /drivers/clk
parent5aa00ad3fd3338eba1ed8bbb1a142eb40f43d728 (diff)
downloadlinux-f9e55ac22ce9246c085e1c97ddda93608ce17eaf.tar.gz
clk: mediatek: add pericfg clocks for MT8183
Add pericfg clocks for MT8183, it's used when support USB
remote wakeup

Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lkml.kernel.org/r/1566980533-28282-2-git-send-email-chunfeng.yun@mediatek.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/mediatek/clk-mt8183.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c
index 94bbadc0d259..7e7452e56694 100644
--- a/drivers/clk/mediatek/clk-mt8183.c
+++ b/drivers/clk/mediatek/clk-mt8183.c
@@ -1002,6 +1002,20 @@ static const struct mtk_gate infra_clks[] = {
 		"msdc50_0_sel", 24),
 };
 
+static const struct mtk_gate_regs peri_cg_regs = {
+	.set_ofs = 0x20c,
+	.clr_ofs = 0x20c,
+	.sta_ofs = 0x20c,
+};
+
+#define GATE_PERI(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &peri_cg_regs, _shift,	\
+		&mtk_clk_gate_ops_no_setclr_inv)
+
+static const struct mtk_gate peri_clks[] = {
+	GATE_PERI(CLK_PERI_AXI, "peri_axi", "axi_sel", 31),
+};
+
 static const struct mtk_gate_regs apmixed_cg_regs = {
 	.set_ofs = 0x20,
 	.clr_ofs = 0x20,
@@ -1208,6 +1222,19 @@ static int clk_mt8183_infra_probe(struct platform_device *pdev)
 	return r;
 }
 
+static int clk_mt8183_peri_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
+
+	mtk_clk_register_gates(node, peri_clks, ARRAY_SIZE(peri_clks),
+			       clk_data);
+
+	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+}
+
 static int clk_mt8183_mcu_probe(struct platform_device *pdev)
 {
 	struct clk_onecell_data *clk_data;
@@ -1238,6 +1265,9 @@ static const struct of_device_id of_match_clk_mt8183[] = {
 		.compatible = "mediatek,mt8183-infracfg",
 		.data = clk_mt8183_infra_probe,
 	}, {
+		.compatible = "mediatek,mt8183-pericfg",
+		.data = clk_mt8183_peri_probe,
+	}, {
 		.compatible = "mediatek,mt8183-mcucfg",
 		.data = clk_mt8183_mcu_probe,
 	}, {