[2/2] clk: mediatek: add infracfg reset controller for mt7988

Commit Message

Frank Wunderlich Jan. 4, 2024, 5:39 p.m. UTC

From: Frank Wunderlich <[e-mail]>

Infracfg can also operate as reset controller, add support for it.

Signed-off-by: Frank Wunderlich <[e-mail]>
---
 drivers/clk/mediatek/clk-mt7988-infracfg.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

Patch

diff --git a/drivers/clk/mediatek/clk-mt7988-infracfg.c b/drivers/clk/mediatek/clk-mt7988-infracfg.c
index 8011ef278bea..1660a45349ff 100644
--- a/drivers/clk/mediatek/clk-mt7988-infracfg.c
+++ b/drivers/clk/mediatek/clk-mt7988-infracfg.c
@@ -14,6 +14,9 @@ 
 #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	INFRA_RST_SET_OFFSET	0x80
 
 static DEFINE_SPINLOCK(mt7988_clk_lock);
 
@@ -249,12 +252,29 @@  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[] = {
+	INFRA_RST_SET_OFFSET,
+};
+
+static u16 infra_idx_map[] = {
+	[MT7988_INFRA_RST0_THERM_CTRL_SWRST] = 0 * 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[] = {