From: Liu Ying <victor.liu@nxp.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
saravanak@google.com, gregkh@linuxfoundation.org,
geert+renesas@glider.be, robh@kernel.org
Subject: Re: [PATCH v3 3/3] dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding
Date: Fri, 05 Aug 2022 18:18:34 +0800 [thread overview]
Message-ID: <2c6161058d1253c1eabec274ca8c1c98bdc6d490.camel@nxp.com> (raw)
In-Reply-To: <258c3ed7-2247-d4c3-73be-ddcddee3a3a0@linaro.org>
On Thu, 2022-08-04 at 13:17 +0200, Krzysztof Kozlowski wrote:
> On 04/08/2022 08:11, Liu Ying wrote:
> > Freescale i.MX8qxp pixel link MSI bus is a simple memory-mapped
> > bus.
> > It is used to access peripherals in i.MX8qm/qxp imaging, LVDS, MIPI
> > DSI and HDMI TX subsystems, like I2C controller, PWM controller,
> > MIPI DSI controller and Control and Status Registers (CSR) module.
> >
> > Reference simple-pm-bus bindings and add Freescale i.MX8qxp pixel
> > link MSI bus specific bindings.
> >
> > Signed-off-by: Liu Ying <victor.liu@nxp.com>
>
> Thank you for your patch. There is something to discuss/improve.
Thanks for the review.
>
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/imx8-lpcg.h>
> > + #include <dt-bindings/firmware/imx/rsrc.h>
> > + bus@56200000 {
> > + compatible = "fsl,imx8qxp-display-pixel-link-msi-bus",
> > "simple-pm-bus";
> > + reg = <0x56200000 0x20000>;
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + interrupt-parent = <&dc0_irqsteer>;
> > + interrupts = <320>;
> > + ranges;
> > + clocks = <&dc0_disp_ctrl_link_mst0_lpcg IMX_LPCG_CLK_4>,
> > + <&dc0_disp_ctrl_link_mst0_lpcg IMX_LPCG_CLK_4>;
> > + clock-names = "msi", "ahb";
> > + power-domains = <&pd IMX_SC_R_DC_0>;
>
> The example should be complete, so you should have here children.
> Otherwise it is not a bus.
I may add some children whose compatible strings are in-tree for
i.MX8qxp. It seems that simple-pm-bus driver part(patch 1) will be
changed due to comments, so maybe I'll respin when it's ready.
Regards,
Liu Ying
>
> Best regards,
> Krzysztof
prev parent reply other threads:[~2022-08-05 10:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-04 6:11 [PATCH v3 0/3] drivers: bus: Add Freescale i.MX8qxp pixel link MSI bus support Liu Ying
2022-08-04 6:11 ` [PATCH v3 1/3] drivers: bus: simple-pm-bus: Populate simple MFD child devices Liu Ying
2022-08-04 12:18 ` Rob Herring
2022-08-04 18:26 ` Saravana Kannan
2022-08-05 10:06 ` Liu Ying
2022-08-05 17:55 ` Saravana Kannan
2022-08-06 16:23 ` Liu Ying
2022-08-04 6:11 ` [PATCH v3 2/3] drivers: bus: simple-pm-bus: Use clocks Liu Ying
2022-08-11 12:34 ` Geert Uytterhoeven
2022-08-12 8:13 ` Liu Ying
2022-08-12 8:58 ` Geert Uytterhoeven
2022-08-12 9:42 ` Liu Ying
2022-08-12 9:49 ` Geert Uytterhoeven
2022-08-12 12:25 ` Liu Ying
2022-08-04 6:11 ` [PATCH v3 3/3] dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding Liu Ying
2022-08-04 11:17 ` Krzysztof Kozlowski
2022-08-05 10:18 ` Liu Ying [this message]
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