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authorChunfeng Yun <chunfeng.yun@mediatek.com>2019-08-28 10:22:13 +0200
committerStephen Boyd <sboyd@kernel.org>2019-09-17 19:17:41 +0200
commitf9e55ac22ce9246c085e1c97ddda93608ce17eaf (patch)
tree09011ba3258a423a575e06c1cfd5ae123b3d372f /drivers/clk/mediatek
parentdt-bindings: clock: mediatek: add pericfg for MT8183 (diff)
downloadlinux-f9e55ac22ce9246c085e1c97ddda93608ce17eaf.tar.xz
linux-f9e55ac22ce9246c085e1c97ddda93608ce17eaf.zip
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/mediatek')
-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,
}, {