linux-kernel - [PATCH V2 12/12] clk: mediatek: reset: Add infra

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Date:   Wed, 20 Apr 2022 21:05:27 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>
CC:     <matthias.bgg@...il.com>, <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>,
        <allen-kh.cheng@...iatek.com>, <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 V2 12/12] clk: mediatek: reset: Add infra_ao reset support for MT8195

The infra_ao reset is needed for MT8195. Therefore, we add this patch
to support it.

Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
---
 drivers/clk/mediatek/clk-mt8195-infra_ao.c | 8 ++++++++
 include/dt-bindings/reset/mt8195-resets.h  | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/drivers/clk/mediatek/clk-mt8195-infra_ao.c b/drivers/clk/mediatek/clk-mt8195-infra_ao.c
index 8ebe3b9415c4..31d0039250dc 100644
--- a/drivers/clk/mediatek/clk-mt8195-infra_ao.c
+++ b/drivers/clk/mediatek/clk-mt8195-infra_ao.c
@@ -182,9 +182,17 @@ static const struct mtk_gate infra_ao_clks[] = {
 	GATE_INFRA_AO4(CLK_INFRA_AO_PERI_UFS_MEM_SUB, "infra_ao_peri_ufs_mem_sub", "mem_466m", 31),
 };
 
+static struct mtk_clk_rst_desc infra_ao_rst_desc = {
+	.version = MTK_RST_SET_CLR,
+	.reg_num = 4,
+	.reg_ofs = 0x0,
+	.reset_n_cells = 2,
+};
+
 static const struct mtk_clk_desc infra_ao_desc = {
 	.clks = infra_ao_clks,
 	.num_clks = ARRAY_SIZE(infra_ao_clks),
+	.rst_desc = &infra_ao_rst_desc,
 };
 
 static const struct of_device_id of_match_clk_mt8195_infra_ao[] = {
diff --git a/include/dt-bindings/reset/mt8195-resets.h b/include/dt-bindings/reset/mt8195-resets.h
index a26bccc8b957..2479680616fb 100644
--- a/include/dt-bindings/reset/mt8195-resets.h
+++ b/include/dt-bindings/reset/mt8195-resets.h
@@ -26,4 +26,11 @@
 
 #define MT8195_TOPRGU_SW_RST_NUM               16
 
+/* INFRA RST0 */
+#define MT8195_INFRA_RST0_THERMAL_AP_RST       0
+/* INFRA RST3 */
+#define MT8195_INFRA_RST3_PTP_RST              5
+/* INFRA RST4 */
+#define MT8195_INFRA_RST4_THERMAL_MCU_RST      10
+
 #endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT8195 */
-- 
2.18.0