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>

2 files changed, 34 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,
         }, {
diff --git a/include/dt-bindings/clock/mt8183-clk.h b/include/dt-bindings/clock/mt8183-clk.h
index 0046506eb24c..a7b470b0ec8a 100644
--- a/include/dt-bindings/clock/mt8183-clk.h
+++ b/include/dt-bindings/clock/mt8183-clk.h
@@ -284,6 +284,10 @@
 #define CLK_INFRA_FBIST2FPC             100
 #define CLK_INFRA_NR_CLK                101
 
+/* PERICFG */
+#define CLK_PERI_AXI                    0
+#define CLK_PERI_NR_CLK                 1
+
 /* MFGCFG */
 #define CLK_MFG_BG3D                    0
 #define CLK_MFG_NR_CLK                  1