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From 26ced94177b150710d94cf365002a09cc48950e9 Mon Sep 17 00:00:00 2001
From: Frank Wunderlich <frank-w@public-files.de>
Date: Wed, 17 Jan 2024 19:41:11 +0100
Subject: [PATCH] clk: mediatek: add infracfg reset controller for mt7988
Infracfg can also operate as reset controller, add support for it.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
drivers/clk/mediatek/clk-mt7988-infracfg.c | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
--- a/drivers/clk/mediatek/clk-mt7988-infracfg.c
+++ b/drivers/clk/mediatek/clk-mt7988-infracfg.c
@@ -14,6 +14,10 @@
#include "clk-gate.h"
#include "clk-mux.h"
#include <dt-bindings/clock/mediatek,mt7988-clk.h>
+#include <dt-bindings/reset/mediatek,mt7988-resets.h>
+
+#define MT7988_INFRA_RST0_SET_OFFSET 0x70
+#define MT7988_INFRA_RST1_SET_OFFSET 0x80
static DEFINE_SPINLOCK(mt7988_clk_lock);
@@ -249,12 +253,31 @@ static const struct mtk_gate infra_clks[
GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P3, "infra_133m_pcie_ck_p3", "sysaxi_sel", 31),
};
+static u16 infra_rst_ofs[] = {
+ MT7988_INFRA_RST0_SET_OFFSET,
+ MT7988_INFRA_RST1_SET_OFFSET,
+};
+
+static u16 infra_idx_map[] = {
+ [MT7988_INFRA_RST0_PEXTP_MAC_SWRST] = 0 * RST_NR_PER_BANK + 6,
+ [MT7988_INFRA_RST1_THERM_CTRL_SWRST] = 1 * RST_NR_PER_BANK + 9,
+};
+
+static struct mtk_clk_rst_desc infra_rst_desc = {
+ .version = MTK_RST_SET_CLR,
+ .rst_bank_ofs = infra_rst_ofs,
+ .rst_bank_nr = ARRAY_SIZE(infra_rst_ofs),
+ .rst_idx_map = infra_idx_map,
+ .rst_idx_map_nr = ARRAY_SIZE(infra_idx_map),
+};
+
static const struct mtk_clk_desc infra_desc = {
.clks = infra_clks,
.num_clks = ARRAY_SIZE(infra_clks),
.mux_clks = infra_muxes,
.num_mux_clks = ARRAY_SIZE(infra_muxes),
.clk_lock = &mt7988_clk_lock,
+ .rst_desc = &infra_rst_desc,
};
static const struct of_device_id of_match_clk_mt7988_infracfg[] = {
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