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Groups > linux.kernel > #1546441
| From | Franklin S Cooper Jr <fcooper@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [3/3] ARM: da850: Add ti, da830-uart compatible for serial ports |
| Date | 2016-12-22 17:20 +0100 |
| Message-ID | <sReg1-3hw-5@gated-at.bofh.it> (permalink) |
| References | <sQzcR-1Vi-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 12/20/2016 02:23 PM, David Lechner wrote:
> TI DA8xx/OMAPL13x/AM17xx/AM18xx SoCs have extra UART registers beyond
Similar comment about adding Keystone SoCs to the list of SoCs.
> the standard 8250 registers, so we need a new compatible string to
> indicate this. Also, at least one of these registers uses the full 32
> bits, so we need to specify reg-io-width in addition to reg-shift.
>
> "ns16550a" is left in the compatible specification since it does work
> as long as the bootloader configures the SoC UART power management
> registers.
>
> Signed-off-by: David Lechner <david@lechnology.com>
> ---
> arch/arm/boot/dts/da850.dtsi | 9 ++++++---
Similar changes should be made to the various Keystone dtsi files.
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 104155d..f6cd212 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -266,22 +266,25 @@
> interrupt-names = "edm3_tcerrint";
> };
> serial0: serial@42000 {
> - compatible = "ns16550a";
> + compatible = "ti,da830-uart", "ns16550a";
> reg = <0x42000 0x100>;
> + reg-io-width = <4>;
> reg-shift = <2>;
> interrupts = <25>;
> status = "disabled";
> };
> serial1: serial@10c000 {
> - compatible = "ns16550a";
> + compatible = "ti,da830-uart", "ns16550a";
> reg = <0x10c000 0x100>;
> + reg-io-width = <4>;
> reg-shift = <2>;
> interrupts = <53>;
> status = "disabled";
> };
> serial2: serial@10d000 {
> - compatible = "ns16550a";
> + compatible = "ti,da830-uart", "ns16550a";
> reg = <0x10d000 0x100>;
> + reg-io-width = <4>;
> reg-shift = <2>;
> interrupts = <61>;
> status = "disabled";
>
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[PATCH 0/3] TI DA8xx/OMAPL13x/AM17xx/AM18xx UART David Lechner <david@lechnology.com> - 2016-12-20 21:30 +0100
[PATCH 2/3] serial: 8250: Add new port type for TI DA8xx/OMAPL13x/AM17xx/AM18xx David Lechner <david@lechnology.com> - 2016-12-20 21:30 +0100
Re: [2/3] serial: 8250: Add new port type for TI DA8xx/OMAPL13x/AM17xx/AM18xx Franklin S Cooper Jr <fcooper@ti.com> - 2016-12-22 16:30 +0100
Re: [2/3] serial: 8250: Add new port type for TI DA8xx/OMAPL13x/AM17xx/AM18xx Franklin S Cooper Jr <fcooper@ti.com> - 2016-12-22 17:20 +0100
Re: [2/3] serial: 8250: Add new port type for TI DA8xx/OMAPL13x/AM17xx/AM18xx David Lechner <david@lechnology.com> - 2016-12-22 19:20 +0100
[PATCH 1/3] doc: DT: Add ti,da830-uart to serial/8250 bindings David Lechner <david@lechnology.com> - 2016-12-20 21:30 +0100
Re: [PATCH 1/3] doc: DT: Add ti,da830-uart to serial/8250 bindings Rob Herring <robh@kernel.org> - 2016-12-22 22:20 +0100
[PATCH 3/3] ARM: da850: Add ti,da830-uart compatible for serial ports David Lechner <david@lechnology.com> - 2016-12-20 21:30 +0100
Re: [3/3] ARM: da850: Add ti, da830-uart compatible for serial ports Franklin S Cooper Jr <fcooper@ti.com> - 2016-12-22 17:20 +0100
Re: [3/3] ARM: da850: Add ti, da830-uart compatible for serial ports Sekhar Nori <nsekhar@ti.com> - 2017-01-02 09:10 +0100
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