linux-kernel - [PATCH v1] reset: starfive: jh7110: Add StarFive STG/ISP/VOUT resets support

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Message-ID: <20230724055440.100947-1-xingyu.wu@starfivetech.com>
Date:   Mon, 24 Jul 2023 13:54:40 +0800
From:   Xingyu Wu <xingyu.wu@...rfivetech.com>
To:     <linux-riscv@...ts.infradead.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Conor Dooley <conor@...nel.org>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        Palmer Dabbelt <palmer@...belt.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Hal Feng <hal.feng@...rfivetech.com>,
        Xingyu Wu <xingyu.wu@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: [PATCH v1] reset: starfive: jh7110: Add StarFive STG/ISP/VOUT resets support

Add new struct members and auxiliary_device_id of resets to support
System-Top-Group, Image-Signal-Process and Video-Output on the StarFive
JH7110 SoC.

Acked-by: Palmer Dabbelt <palmer@...osinc.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Reviewed-by: Hal Feng <hal.feng@...rfivetech.com>
Signed-off-by: Xingyu Wu <xingyu.wu@...rfivetech.com>
---

Hi Stephen,

I found that the PR sent by conor was missing this STG/ISP/VOUT
resets patch:
https://lore.kernel.org/all/20230719-trough-frisk-40b92acb485a@spud/

I resend this patch to make the CRG drivers completed.

Thanks,
Xingyu Wu

---
 .../reset/starfive/reset-starfive-jh7110.c    | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/reset/starfive/reset-starfive-jh7110.c b/drivers/reset/starfive/reset-starfive-jh7110.c
index 2d26ae95c8cc..29a43f0f2ad6 100644
--- a/drivers/reset/starfive/reset-starfive-jh7110.c
+++ b/drivers/reset/starfive/reset-starfive-jh7110.c
@@ -31,6 +31,24 @@ static const struct jh7110_reset_info jh7110_aon_info = {
 	.status_offset = 0x3C,
 };
 
+static const struct jh7110_reset_info jh7110_stg_info = {
+	.nr_resets = JH7110_STGRST_END,
+	.assert_offset = 0x74,
+	.status_offset = 0x78,
+};
+
+static const struct jh7110_reset_info jh7110_isp_info = {
+	.nr_resets = JH7110_ISPRST_END,
+	.assert_offset = 0x38,
+	.status_offset = 0x3C,
+};
+
+static const struct jh7110_reset_info jh7110_vout_info = {
+	.nr_resets = JH7110_VOUTRST_END,
+	.assert_offset = 0x48,
+	.status_offset = 0x4C,
+};
+
 static int jh7110_reset_probe(struct auxiliary_device *adev,
 			      const struct auxiliary_device_id *id)
 {
@@ -58,6 +76,18 @@ static const struct auxiliary_device_id jh7110_reset_ids[] = {
 		.name = "clk_starfive_jh7110_sys.rst-aon",
 		.driver_data = (kernel_ulong_t)&jh7110_aon_info,
 	},
+	{
+		.name = "clk_starfive_jh7110_sys.rst-stg",
+		.driver_data = (kernel_ulong_t)&jh7110_stg_info,
+	},
+	{
+		.name = "clk_starfive_jh7110_sys.rst-isp",
+		.driver_data = (kernel_ulong_t)&jh7110_isp_info,
+	},
+	{
+		.name = "clk_starfive_jh7110_sys.rst-vo",
+		.driver_data = (kernel_ulong_t)&jh7110_vout_info,
+	},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(auxiliary, jh7110_reset_ids);
-- 
2.25.1