[PATCH] ARM: dts: suniv: Add MMC and clock macros.
Andre Przywara
andre.przywara at arm.com
Wed Jan 26 16:53:04 PST 2022
On Wed, 26 Jan 2022 19:12:05 -0500
Jesse Taube <mr.bossman075 at gmail.com> wrote:
> On 1/26/22 18:57, Andre Przywara wrote:
> > On Mon, 24 Jan 2022 20:13:52 -0500
> > Jesse Taube <mr.bossman075 at gmail.com> wrote:
> >
> > Hi Jesse,
> >
> > I understand that get_maintainers.pl suggested this CC: list, but you
> > should add sunxi people and linux-arm kernel ML. Doing that now.
> Uh yeah that makes sense in hind sight.
> >> Include clock and reset macros and replace magic numbers.
> >> Add MMC node.
> >
> > This patch itself does not do much, does it? You would at least need to
> > enable that in the board dts.
> True it doesn't do much just so that its in both u-boot and linux.
> > And this should be multiple patches:
> > 1) replace numbers with macros (part of this patch)
> > 2) Add the MMC compatible string combo to the the bindings doc
> > 3) Add the *two* MMC nodes and at least the pinctrl node for MMC0 to the
> > SoC .dtsi (partly in this patch)
> > 4) Enable the MMC and the card detect pin in the Nano board .dts
> >
> > I checked that the macros names match the numbers they replace, so
> > you can add my R-b: on that patch 1 (if you follow my suggestion).
> > The MMC node also seems to look sane.
> That seems okay.
> >>
> >> Signed-off-by: Mesih Kilinc <mesihkilinc at gmail.com>
> >
> > It is not evident why Mesih's S-o-b: is in here? The patch seems to be
> > authored and sent by you? Either you make him the author if that is his
> > patch originally, or you put him just as Cc: or in Suggested-by:, maybe.
> I did write the patch after I wrote it I was looking at his github and
> he had almost the same patch.
Yeah, not really surprising, there are only so many ways to write a DT.
I guess he never sent it, and since you wrote it, it's yours, so just
add him in Cc:, since he was involved in the F1C100s upstreaming.
Cheers,
Andre
> > Cheers,
> > Andre
> >
> >> Signed-off-by: Jesse Taube <Mr.Bossman075 at gmail.com>
> >> ---
> >> arch/arm/boot/dts/suniv-f1c100s.dtsi | 41 +++++++++++++++++++++++-----
> >> 1 file changed, 34 insertions(+), 7 deletions(-)
> >>
> >> diff --git a/arch/arm/boot/dts/suniv-f1c100s.dtsi b/arch/arm/boot/dts/suniv-f1c100s.dtsi
> >> index 6100d3b75f61..32872bb29917 100644
> >> --- a/arch/arm/boot/dts/suniv-f1c100s.dtsi
> >> +++ b/arch/arm/boot/dts/suniv-f1c100s.dtsi
> >> @@ -4,6 +4,9 @@
> >> * Copyright 2018 Mesih Kilinc <mesihkilinc at gmail.com>
> >> */
> >>
> >> +#include <dt-bindings/clock/suniv-ccu-f1c100s.h>
> >> +#include <dt-bindings/reset/suniv-ccu-f1c100s.h>
> >> +
> >> / {
> >> #address-cells = <1>;
> >> #size-cells = <1>;
> >> @@ -82,7 +85,7 @@ pio: pinctrl at 1c20800 {
> >> compatible = "allwinner,suniv-f1c100s-pinctrl";
> >> reg = <0x01c20800 0x400>;
> >> interrupts = <38>, <39>, <40>;
> >> - clocks = <&ccu 37>, <&osc24M>, <&osc32k>;
> >> + clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>;
> >> clock-names = "apb", "hosc", "losc";
> >> gpio-controller;
> >> interrupt-controller;
> >> @@ -93,6 +96,11 @@ uart0_pe_pins: uart0-pe-pins {
> >> pins = "PE0", "PE1";
> >> function = "uart0";
> >> };
> >> +
> >> + mmc0_pins: mmc0-pins {
> >> + pins = "PF0", "PF1", "PF2", "PF3", "PF4", "PF5";
> >> + function = "mmc0";
> >> + };
> >> };
> >>
> >> timer at 1c20c00 {
> >> @@ -108,14 +116,33 @@ wdt: watchdog at 1c20ca0 {
> >> reg = <0x01c20ca0 0x20>;
> >> };
> >>
> >> + mmc0: mmc at 1c0f000 {
> >> + compatible = "allwinner,suniv-f1c100s-mmc",
> >> + "allwinner,sun7i-a20-mmc";
> >> + reg = <0x01c0f000 0x1000>;
> >> + clocks = <&ccu CLK_BUS_MMC0>,
> >> + <&ccu CLK_MMC0>,
> >> + <&ccu CLK_MMC0_OUTPUT>,
> >> + <&ccu CLK_MMC0_SAMPLE>;
> >> + clock-names = "ahb", "mmc", "output", "sample";
> >> + resets = <&ccu RST_BUS_MMC0>;
> >> + reset-names = "ahb";
> >> + interrupts = <23>;
> >> + pinctrl-names = "default";
> >> + pinctrl-0 = <&mmc0_pins>;
> >> + status = "disabled";
> >> + #address-cells = <1>;
> >> + #size-cells = <0>;
> >> + };
> >> +
> >> uart0: serial at 1c25000 {
> >> compatible = "snps,dw-apb-uart";
> >> reg = <0x01c25000 0x400>;
> >> interrupts = <1>;
> >> reg-shift = <2>;
> >> reg-io-width = <4>;
> >> - clocks = <&ccu 38>;
> >> - resets = <&ccu 24>;
> >> + clocks = <&ccu CLK_BUS_UART0>;
> >> + resets = <&ccu RST_BUS_UART0>;
> >> status = "disabled";
> >> };
> >>
> >> @@ -125,8 +152,8 @@ uart1: serial at 1c25400 {
> >> interrupts = <2>;
> >> reg-shift = <2>;
> >> reg-io-width = <4>;
> >> - clocks = <&ccu 39>;
> >> - resets = <&ccu 25>;
> >> + clocks = <&ccu CLK_BUS_UART1>;
> >> + resets = <&ccu RST_BUS_UART1>;
> >> status = "disabled";
> >> };
> >>
> >> @@ -136,8 +163,8 @@ uart2: serial at 1c25800 {
> >> interrupts = <3>;
> >> reg-shift = <2>;
> >> reg-io-width = <4>;
> >> - clocks = <&ccu 40>;
> >> - resets = <&ccu 26>;
> >> + clocks = <&ccu CLK_BUS_UART2>;
> >> + resets = <&ccu RST_BUS_UART2>;
> >> status = "disabled";
> >> };
> >> };
> >
More information about the linux-arm-kernel
mailing list