linux-kernel - [PATCH V3 15/17] clk: mediatek: reset: Add infra

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Date:   Fri, 22 Apr 2022 14:01:50 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <matthias.bgg@...il.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <p.zabel@...gutronix.de>,
        <angelogioacchino.delregno@...labora.com>,
        <chun-jie.chen@...iatek.com>, <wenst@...omium.org>,
        <runyang.chen@...iatek.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>
Subject: [PATCH V3 15/17] clk: mediatek: reset: Add infra_ao reset support for MT8192

The infra_ao reset is needed for MT8192. Therefore, we add this patch
to support it.

Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/clk/mediatek/clk-mt8192.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-mt8192.c
index ab27cd66b866..92dc6a4affe3 100644
--- a/drivers/clk/mediatek/clk-mt8192.c
+++ b/drivers/clk/mediatek/clk-mt8192.c
@@ -1114,6 +1114,13 @@ static const struct mtk_gate top_clks[] = {
 	GATE_TOP(CLK_TOP_SSUSB_PHY_REF, "ssusb_phy_ref", "clk26m", 25),
 };
 
+static const struct mtk_clk_rst_desc clk_rst_desc = {
+	.version = MTK_RST_SET_CLR,
+	.rst_set_nr = 4,
+	.reg_ofs = 0x0,
+	.reset_n_cells = 2,
+};
+
 #define MT8192_PLL_FMAX		(3800UL * MHZ)
 #define MT8192_PLL_FMIN		(1500UL * MHZ)
 #define MT8192_INTEGER_BITS	8
@@ -1239,6 +1246,10 @@ static int clk_mt8192_infra_probe(struct platform_device *pdev)
 	if (r)
 		goto free_clk_data;
 
+	r = mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc);
+	if (r)
+		goto free_clk_data;
+
 	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
 	if (r)
 		goto free_clk_data;
-- 
2.18.0