linux-kernel - [PATCH 2/2] clk: mediatek: reset: add infra

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Date:   Fri, 5 May 2023 20:01:08 +0800
From:   Runyang Chen <runyang.chen@...iatek.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        Runyang Chen <runyang.chen@...iatek.com>,
        Runyang Chen <runyang.chen@...iatek.corp-partner.google.com>
Subject: [PATCH 2/2] clk: mediatek: reset: add infra_ao reset support for MT8188

The infra_ao reset is needed for MT8188.
- Add mtk_clk_rst_desc for MT8188.
- Add register reset controller function for MT8188 infra_ao.
- Add infra_ao_idx_map for MT8188.

Signed-off-by: Runyang Chen <runyang.chen@...iatek.corp-partner.google.com>
---
 drivers/clk/mediatek/clk-mt8188-infra_ao.c | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/clk/mediatek/clk-mt8188-infra_ao.c b/drivers/clk/mediatek/clk-mt8188-infra_ao.c
index 91c35db40b4e..1d4b27ba06be 100644
--- a/drivers/clk/mediatek/clk-mt8188-infra_ao.c
+++ b/drivers/clk/mediatek/clk-mt8188-infra_ao.c
@@ -5,6 +5,7 @@
  */
 
 #include <dt-bindings/clock/mediatek,mt8188-clk.h>
+#include <dt-bindings/reset/mt8188-resets.h>
 #include <linux/clk-provider.h>
 #include <linux/platform_device.h>
 
@@ -176,9 +177,32 @@ static const struct mtk_gate infra_ao_clks[] = {
 		       "infra_ao_aes_msdcfde_0p", "top_aes_msdcfde", 18),
 };
 
+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[] = {
+	[MT8188_INFRA_RST1_THERMAL_MCU_RST] = 1 * RST_NR_PER_BANK + 2,
+	[MT8188_INFRA_RST1_THERMAL_CTRL_RST] = 1 * RST_NR_PER_BANK + 4,
+	[MT8188_INFRA_RST3_PTP_CTRL_RST] = 3 * RST_NR_PER_BANK + 5,
+};
+
+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_mt8188_infra_ao[] = {
-- 
2.18.0