diff mbox series

[v2,2/2] clk: mediatek: add pericfg clocks for MT8183

Message ID 1566980533-28282-2-git-send-email-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] dt-bindings: clock: mediatek: add pericfg for MT8183 | expand

Commit Message

Chunfeng Yun Aug. 28, 2019, 8:22 a.m. UTC
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>
---
v2:
   use GATE_MTK to define GATE_PERI suggested by Weiyi
---
 drivers/clk/mediatek/clk-mt8183.c      | 30 ++++++++++++++++++++++++++
 include/dt-bindings/clock/mt8183-clk.h |  4 ++++
 2 files changed, 34 insertions(+)

Comments

Rob Herring Sept. 2, 2019, 1:38 p.m. UTC | #1
On Wed, 28 Aug 2019 16:22:13 +0800, Chunfeng Yun wrote:
> 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>
> ---
> v2:
>    use GATE_MTK to define GATE_PERI suggested by Weiyi
> ---
>  drivers/clk/mediatek/clk-mt8183.c      | 30 ++++++++++++++++++++++++++
>  include/dt-bindings/clock/mt8183-clk.h |  4 ++++
>  2 files changed, 34 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
Stephen Boyd Sept. 17, 2019, 5:21 p.m. UTC | #2
Quoting Chunfeng Yun (2019-08-28 01:22:13)
> 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>
> ---

Applied to clk-next
diff mbox series

Patch

diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c
index 1aa5f4059251..f3765bbdbe85 100644
--- a/drivers/clk/mediatek/clk-mt8183.c
+++ b/drivers/clk/mediatek/clk-mt8183.c
@@ -999,6 +999,20 @@  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,
@@ -1194,6 +1208,19 @@  static int clk_mt8183_infra_probe(struct platform_device *pdev)
 	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
 }
 
+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;
@@ -1223,6 +1250,9 @@  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