[PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[Li Jun]

usb suspend clock has a gate shared with usb_root_clk.

Signed-off-by: Li Jun <jun.li@nxp.com>

diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
index 9d5cc2ddde89..1417b7b1b7df 100644
--- a/include/dt-bindings/clock/imx8mp-clock.h
+++ b/include/dt-bindings/clock/imx8mp-clock.h
@@ -324,8 +324,9 @@
 #define IMX8MP_CLK_CLKOUT2_SEL			317
 #define IMX8MP_CLK_CLKOUT2_DIV			318
 #define IMX8MP_CLK_CLKOUT2			319
+#define IMX8MP_CLK_USB_SUSP			320
 
-#define IMX8MP_CLK_END				320
+#define IMX8MP_CLK_END				321
 
 #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG		0
 #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1		1
-- 
2.34.1


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[PATCH 2/2] clk: imx: imx8mp: add shared clk gate for usb suspend clk

[Li Jun]

32K usb suspend clock gate is shared with usb_root_clk.

Signed-off-by: Li Jun <jun.li@nxp.com>

diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index e89db568f5a8..5b66514bdd0c 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -17,6 +17,7 @@
 
 static u32 share_count_nand;
 static u32 share_count_media;
+static u32 share_count_usb;
 
 static const char * const pll_ref_sels[] = { "osc_24m", "dummy", "dummy", "dummy", };
 static const char * const audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", };
@@ -673,7 +674,8 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
 	hws[IMX8MP_CLK_UART2_ROOT] = imx_clk_hw_gate4("uart2_root_clk", "uart2", ccm_base + 0x44a0, 0);
 	hws[IMX8MP_CLK_UART3_ROOT] = imx_clk_hw_gate4("uart3_root_clk", "uart3", ccm_base + 0x44b0, 0);
 	hws[IMX8MP_CLK_UART4_ROOT] = imx_clk_hw_gate4("uart4_root_clk", "uart4", ccm_base + 0x44c0, 0);
-	hws[IMX8MP_CLK_USB_ROOT] = imx_clk_hw_gate4("usb_root_clk", "hsio_axi", ccm_base + 0x44d0, 0);
+	hws[IMX8MP_CLK_USB_ROOT] = imx_clk_hw_gate2_shared2("usb_root_clk", "hsio_axi", ccm_base + 0x44d0, 0, &share_count_usb);
+	hws[IMX8MP_CLK_USB_SUSP] = imx_clk_hw_gate2_shared2("usb_suspend_clk", "osc_32k", ccm_base + 0x44d0, 0, &share_count_usb);
 	hws[IMX8MP_CLK_USB_PHY_ROOT] = imx_clk_hw_gate4("usb_phy_root_clk", "usb_phy_ref", ccm_base + 0x44f0, 0);
 	hws[IMX8MP_CLK_USDHC1_ROOT] = imx_clk_hw_gate4("usdhc1_root_clk", "usdhc1", ccm_base + 0x4510, 0);
 	hws[IMX8MP_CLK_USDHC2_ROOT] = imx_clk_hw_gate4("usdhc2_root_clk", "usdhc2", ccm_base + 0x4520, 0);
-- 
2.34.1


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Re: [PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[Krzysztof Kozlowski]

On 24/08/2022 11:04, Li Jun wrote:
> usb suspend clock has a gate shared with usb_root_clk.
> 
> Signed-off-by: Li Jun <jun.li@nxp.com>


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof

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Re: [PATCH 2/2] clk: imx: imx8mp: add shared clk gate for usb suspend clk

[Abel Vesa]

On 22-08-24 16:04:22, Li Jun wrote:
> 32K usb suspend clock gate is shared with usb_root_clk.
> 
> Signed-off-by: Li Jun <jun.li@nxp.com>

Reviewed-by: Abel Vesa <abel.vesa@linaro.org>

> 
> diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
> index e89db568f5a8..5b66514bdd0c 100644
> --- a/drivers/clk/imx/clk-imx8mp.c
> +++ b/drivers/clk/imx/clk-imx8mp.c
> @@ -17,6 +17,7 @@
>  
>  static u32 share_count_nand;
>  static u32 share_count_media;
> +static u32 share_count_usb;
>  
>  static const char * const pll_ref_sels[] = { "osc_24m", "dummy", "dummy", "dummy", };
>  static const char * const audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", };
> @@ -673,7 +674,8 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
>  	hws[IMX8MP_CLK_UART2_ROOT] = imx_clk_hw_gate4("uart2_root_clk", "uart2", ccm_base + 0x44a0, 0);
>  	hws[IMX8MP_CLK_UART3_ROOT] = imx_clk_hw_gate4("uart3_root_clk", "uart3", ccm_base + 0x44b0, 0);
>  	hws[IMX8MP_CLK_UART4_ROOT] = imx_clk_hw_gate4("uart4_root_clk", "uart4", ccm_base + 0x44c0, 0);
> -	hws[IMX8MP_CLK_USB_ROOT] = imx_clk_hw_gate4("usb_root_clk", "hsio_axi", ccm_base + 0x44d0, 0);
> +	hws[IMX8MP_CLK_USB_ROOT] = imx_clk_hw_gate2_shared2("usb_root_clk", "hsio_axi", ccm_base + 0x44d0, 0, &share_count_usb);
> +	hws[IMX8MP_CLK_USB_SUSP] = imx_clk_hw_gate2_shared2("usb_suspend_clk", "osc_32k", ccm_base + 0x44d0, 0, &share_count_usb);
>  	hws[IMX8MP_CLK_USB_PHY_ROOT] = imx_clk_hw_gate4("usb_phy_root_clk", "usb_phy_ref", ccm_base + 0x44f0, 0);
>  	hws[IMX8MP_CLK_USDHC1_ROOT] = imx_clk_hw_gate4("usdhc1_root_clk", "usdhc1", ccm_base + 0x4510, 0);
>  	hws[IMX8MP_CLK_USDHC2_ROOT] = imx_clk_hw_gate4("usdhc2_root_clk", "usdhc2", ccm_base + 0x4520, 0);
> -- 
> 2.34.1
> 

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Re: [PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[Abel Vesa]

On 22-08-24 16:04:21, Li Jun wrote:
> usb suspend clock has a gate shared with usb_root_clk.
> 
> Signed-off-by: Li Jun <jun.li@nxp.com>

Reviewed-by: Abel Vesa <abel.vesa@linaro.org>

> 
> diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
> index 9d5cc2ddde89..1417b7b1b7df 100644
> --- a/include/dt-bindings/clock/imx8mp-clock.h
> +++ b/include/dt-bindings/clock/imx8mp-clock.h
> @@ -324,8 +324,9 @@
>  #define IMX8MP_CLK_CLKOUT2_SEL			317
>  #define IMX8MP_CLK_CLKOUT2_DIV			318
>  #define IMX8MP_CLK_CLKOUT2			319
> +#define IMX8MP_CLK_USB_SUSP			320
>  
> -#define IMX8MP_CLK_END				320
> +#define IMX8MP_CLK_END				321
>  
>  #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG		0
>  #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1		1
> -- 
> 2.34.1
> 

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Re: [PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[Abel Vesa]

On 22-08-24 16:04:21, Li Jun wrote:
> usb suspend clock has a gate shared with usb_root_clk.
> 
> Signed-off-by: Li Jun <jun.li@nxp.com>

Applied both, thanks!

> 
> diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
> index 9d5cc2ddde89..1417b7b1b7df 100644
> --- a/include/dt-bindings/clock/imx8mp-clock.h
> +++ b/include/dt-bindings/clock/imx8mp-clock.h
> @@ -324,8 +324,9 @@
>  #define IMX8MP_CLK_CLKOUT2_SEL			317
>  #define IMX8MP_CLK_CLKOUT2_DIV			318
>  #define IMX8MP_CLK_CLKOUT2			319
> +#define IMX8MP_CLK_USB_SUSP			320
>  
> -#define IMX8MP_CLK_END				320
> +#define IMX8MP_CLK_END				321
>  
>  #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG		0
>  #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1		1
> -- 
> 2.34.1
> 

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Re: [PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[Abel Vesa]

On 22-09-02 21:22:08, Abel Vesa wrote:
> On 22-08-24 16:04:21, Li Jun wrote:
> > usb suspend clock has a gate shared with usb_root_clk.
> > 
> > Signed-off-by: Li Jun <jun.li@nxp.com>
> 
> Applied both, thanks!

As discussed in the thread [1], I dropped this patch from my tree for
now. You need to send a new version wil Fixes tag.

[1] https://lore.kernel.org/all/YxhxSdDGXfO%2F%2Fbgc@linaro.org/
> 
> > 
> > diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
> > index 9d5cc2ddde89..1417b7b1b7df 100644
> > --- a/include/dt-bindings/clock/imx8mp-clock.h
> > +++ b/include/dt-bindings/clock/imx8mp-clock.h
> > @@ -324,8 +324,9 @@
> >  #define IMX8MP_CLK_CLKOUT2_SEL			317
> >  #define IMX8MP_CLK_CLKOUT2_DIV			318
> >  #define IMX8MP_CLK_CLKOUT2			319
> > +#define IMX8MP_CLK_USB_SUSP			320
> >  
> > -#define IMX8MP_CLK_END				320
> > +#define IMX8MP_CLK_END				321
> >  
> >  #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG		0
> >  #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1		1
> > -- 
> > 2.34.1
> > 

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RE: [PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock

[Jun Li]

Hi Abel,

> -----Original Message-----
> From: Abel Vesa <abel.vesa@linaro.org>
> Sent: Wednesday, September 7, 2022 6:33 PM
> To: Jun Li <jun.li@nxp.com>
> Cc: abelvesa@kernel.org; mturquette@baylibre.com; sboyd@kernel.org;
> shawnguo@kernel.org; s.hauer@pengutronix.de; kernel@pengutronix.de;
> festevam@gmail.com; dl-linux-imx <linux-imx@nxp.com>; robh+dt@kernel.org;
> krzysztof.kozlowski+dt@linaro.org; linux-clk@vger.kernel.org;
> linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org
> Subject: Re: [PATCH 1/2] dt-bindings: clocks: imx8mp: Add ID for usb suspend
> clock
> 
> On 22-09-02 21:22:08, Abel Vesa wrote:
> > On 22-08-24 16:04:21, Li Jun wrote:
> > > usb suspend clock has a gate shared with usb_root_clk.
> > >
> > > Signed-off-by: Li Jun <jun.li@nxp.com>
> >
> > Applied both, thanks!
> 
> As discussed in the thread [1], I dropped this patch from my tree for now.
> You need to send a new version wil Fixes tag.

Thanks, I will resend those 2 patches with fix tag.

Li Jun
> 
> [1]
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Fall%2FYxhxSdDGXfO%252F%252Fbgc%40linaro.org%2F&amp;data=05
> %7C01%7Cjun.li%40nxp.com%7Cf62126a63a4442644c9308da90bc54ed%7C686ea1d3b
> c2b4c6fa92cd99c5c301635%7C0%7C0%7C637981435790610771%7CUnknown%7CTWFpbG
> Zsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3
> D%7C3000%7C%7C%7C&amp;sdata=DRZzC7rKqNexnGN%2F%2FW5LXvhnhRwIN7CLC4KCu9z
> fTFA%3D&amp;reserved=0
> >
> > >
> > > diff --git a/include/dt-bindings/clock/imx8mp-clock.h
> > > b/include/dt-bindings/clock/imx8mp-clock.h
> > > index 9d5cc2ddde89..1417b7b1b7df 100644
> > > --- a/include/dt-bindings/clock/imx8mp-clock.h
> > > +++ b/include/dt-bindings/clock/imx8mp-clock.h
> > > @@ -324,8 +324,9 @@
> > >  #define IMX8MP_CLK_CLKOUT2_SEL			317
> > >  #define IMX8MP_CLK_CLKOUT2_DIV			318
> > >  #define IMX8MP_CLK_CLKOUT2			319
> > > +#define IMX8MP_CLK_USB_SUSP			320
> > >
> > > -#define IMX8MP_CLK_END				320
> > > +#define IMX8MP_CLK_END				321
> > >
> > >  #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG		0
> > >  #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1		1
> > > --
> > > 2.34.1
> > >

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