clk: mediatek: reset: Add infra_ao reset support for MT8186

The infra_ao reset is needed for MT8186.
- Add mtk_clk_rst_desc for MT8186.
- Add register reset controller function for MT8186 infra_ao.
- Add infra_ao_idx_map for MT8186.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220523093346.28493-20-rex-bc.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/mediatek/clk-mt8186-infra_ao.c b/drivers/clk/mediatek/clk-mt8186-infra_ao.c
index 2a7adc25abaab9996e26dfb8756c5cce2008058c..df2a6bd1aefaf95a110d53bd20aa9cd0bc7ee44e 100644 (file)
--- a/drivers/clk/mediatek/clk-mt8186-infra_ao.c
+++ b/drivers/clk/mediatek/clk-mt8186-infra_ao.c
@@ -6,6 +6,7 @@
 #include <linux/clk-provider.h>
 #include <linux/platform_device.h>
 #include <dt-bindings/clock/mt8186-clk.h>
+#include <dt-bindings/reset/mt8186-resets.h>
 
 #include "clk-gate.h"
 #include "clk-mtk.h"
@@ -191,9 +192,31 @@ static const struct mtk_gate infra_ao_clks[] = {
        GATE_INFRA_AO3(CLK_INFRA_AO_FLASHIF_66M, "infra_ao_flashif_66m", "top_axi", 29),
 };
 
+static u16 infra_ao_rst_ofs[] = {
+       INFRA_RST0_SET_OFFSET,
+       INFRA_RST1_SET_OFFSET,
+       INFRA_RST2_SET_OFFSET,
+       INFRA_RST3_SET_OFFSET,
+       INFRA_RST4_SET_OFFSET,
+};
+
+static u16 infra_ao_idx_map[] = {
+       [MT8186_INFRA_THERMAL_CTRL_RST] = 0 * RST_NR_PER_BANK + 0,
+       [MT8186_INFRA_PTP_CTRL_RST] = 1 * RST_NR_PER_BANK + 0,
+};
+
+static struct mtk_clk_rst_desc infra_ao_rst_desc = {
+       .version = MTK_RST_SET_CLR,
+       .rst_bank_ofs = infra_ao_rst_ofs,
+       .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs),
+       .rst_idx_map = infra_ao_idx_map,
+       .rst_idx_map_nr = ARRAY_SIZE(infra_ao_idx_map),
+};
+
 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_mt8186_infra_ao[] = {