2023-05-05 13:26:06

by Runyang Chen

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Subject: [PATCH v2 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 <[email protected]>
---
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


2023-05-10 21:42:36

by Stephen Boyd

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Subject: Re: [PATCH v2 2/2] clk: mediatek: reset: add infra_ao reset support for MT8188

Quoting Runyang Chen (2023-05-05 06:13:08)
> @@ -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[] = {

const?

> + 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[] = {

const?

> + [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,
> };

2023-05-25 07:02:54

by Runyang Chen

[permalink] [raw]
Subject: Re: [PATCH v2 2/2] clk: mediatek: reset: add infra_ao reset support for MT8188

On Wed, 2023-05-10 at 14:20 -0700, Stephen Boyd wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>
>
> Quoting Runyang Chen (2023-05-05 06:13:08)
> > @@ -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[] = {
>
> const?

The infra_ao_rst_ofs and infra_ao_idx_map will be modified by the reset
controller driver, so it could not be constified. And previous code did
not set it as const.
>
> > + 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[] = {
>
> const?
>
> > + [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 = {

infra_ao_rst_desc will be constified at V4.

> > + .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,
> > };

2023-05-25 07:46:55

by Runyang Chen

[permalink] [raw]
Subject: Re: [PATCH v2 2/2] clk: mediatek: reset: add infra_ao reset support for MT8188

On Wed, 2023-05-10 at 14:20 -0700, Stephen Boyd wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>
>
> Quoting Runyang Chen (2023-05-05 06:13:08)
> > @@ -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[] = {
>
> const?

The infra_ao_rst_ofs and infra_ao_idx_map will be modified by the reset
controller driver, so it could not be constified. And previous code did
not set it as const.

>
> > + 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[] = {
>
> const?
>
> > + [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 = {

infra_ao_rst_desc will be constified at V4.

> > + .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,
> > };