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Message-ID: <1518147677.9025.10.camel@mtkswgap22>
Date: Fri, 9 Feb 2018 11:41:17 +0800
From: Sean Wang <sean.wang@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>
CC: <robh+dt@...nel.org>, <mark.rutland@....com>,
<devicetree@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 04/16] arm64: dts: mt7622: add pinctrl related device
nodes
On Wed, 2018-02-07 at 12:31 +0100, Matthias Brugger wrote:
>
> On 02/06/2018 10:52 AM, sean.wang@...iatek.com wrote:
> > From: Sean Wang <sean.wang@...iatek.com>
> >
> > add pinctrl device nodes and rfb1 board, additionally include all pin
> > groups possible being used on rfb1 board and available gpio keys.
> >
> > Signed-off-by: Sean Wang <sean.wang@...iatek.com>
> > ---
> > arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 200 +++++++++++++++++++++++++++
> > arch/arm64/boot/dts/mediatek/mt7622.dtsi | 7 +
> > 2 files changed, 207 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
> > index c08309d..bd1093a 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
> > @@ -7,6 +7,8 @@
> > */
> >
> > /dts-v1/;
> > +#include <dt-bindings/input/input.h>
> > +
> > #include "mt7622.dtsi"
> >
> > / {
> > @@ -17,11 +19,209 @@
> > bootargs = "console=ttyS0,115200n1";
> > };
> >
> > + gpio-keys {
> > + compatible = "gpio-keys-polled";
> > + poll-interval = <100>;
> > +
> > + factory {
> > + label = "factory";
> > + linux,code = <BTN_0>;
> > + gpios = <&pio 0 0>;
> > + };
> > +
> > + wps {
> > + label = "wps";
> > + linux,code = <KEY_WPS_BUTTON>;
> > + gpios = <&pio 102 0>;
> > + };
> > + };
> > +
> > memory {
> > reg = <0 0x40000000 0 0x3F000000>;
> > };
> > };
> >
> > +&pio {
> > + /* eMMC is shared pin with parallel NAND */
> > + emmc_pins_default: emmc-pins-default {
> > + mux {
> > + function = "emmc", "emmc_rst";
> > + groups = "emmc";
> > + };
> > + };
> > +
> > + emmc_pins_uhs: emmc-pins-uhs {
> > + mux {
> > + function = "emmc";
> > + groups = "emmc";
> > + };
> > + };
> > +
> > + eth_pins: eth-pins {
> > + mux {
> > + function = "eth";
> > + groups = "mdc_mdio", "rgmii_via_gmac2";
> > + };
> > + };
> > +
> > + i2c1_pins: i2c1-pins {
> > + mux {
> > + function = "i2c";
> > + groups = "i2c1_0";
> > + };
> > + };
> > +
> > + i2c2_pins: i2c2-pins {
> > + mux {
> > + function = "i2c";
> > + groups = "i2c2_0";
> > + };
> > + };
> > +
> > + i2s1_pins: i2s1-pins {
> > + mux {
> > + function = "i2s";
> > + groups = "i2s_out_bclk_ws_mclk",
> > + "i2s1_in_data",
> > + "i2s1_out_data";
> > + };
> > + };
> > +
> > + irrx_pins: irrx-pins {
> > + mux {
> > + function = "ir";
> > + groups = "ir_1_rx";
> > + };
> > + };
> > +
> > + irtx_pins: irtx-pins {
> > + mux {
> > + function = "ir";
> > + groups = "ir_1_tx";
> > + };
> > + };
> > +
> > + /* Parallel nand is shared pin with eMMC */
> > + parallel_nand_pins: parallel-nand-pins {
> > + mux {
> > + function = "flash";
> > + groups = "par_nand";
> > + };
> > + };
> > +
> > + pcie0_pins: pcie0-pins {
> > + mux {
> > + groups = "pcie0_pad_perst",
> > + "pcie0_1_waken",
> > + "pcie0_1_clkreq";
> > + function = "pcie";
> > + };
> > + };
> > +
> > + pcie1_pins: pcie1-pins {
> > + mux {
> > + groups = "pcie1_pad_perst",
> > + "pcie1_0_waken",
> > + "pcie1_0_clkreq";
> > + function = "pcie";
> > + };
> > + };
> > +
> > + pmic_bus_pins: pmic-bus-pins {
> > + mux {
> > + groups = "pmic_bus";
> > + function = "pmic";
> > + };
> > + };
>
> Some bikeshedding here. Can you please add function before groups, so that it is
> uniform through out the file?
>
> Thanks,
> Matthias
>
okay, will make them all aligned
> > +
> > + pwm7_pins: pwm1-2-pins {
> > + mux {
> > + function = "pwm";
> > + groups = "pwm_ch7_2";
> > + };
> > + };
> > +
> > + wled_pins: wled-pins {
> > + mux {
> > + function = "led";
> > + groups = "wled";
> > + };
> > + };
> > +
> > + sd0_pins_default: sd0-pins-default {
> > + mux {
> > + function = "sd";
> > + groups = "sd_0";
> > + };
> > + };
> > +
> > + sd0_pins_uhs: sd0-pins-uhs {
> > + mux {
> > + function = "sd";
> > + groups = "sd_0";
> > + };
> > + };
> > +
> > + /* Serial NAND is shared pin with SPI-NOR */
> > + serial_nand_pins: serial-nand-pins {
> > + mux {
> > + function = "flash";
> > + groups = "snfi";
> > + };
> > + };
> > +
> > + spic0_pins: spic0-pins {
> > + mux {
> > + function = "spi";
> > + groups = "spic0_0";
> > + };
> > + };
> > +
> > + spic1_pins: spic1-pins {
> > + mux {
> > + function = "spi";
> > + groups = "spic1_0";
> > + };
> > + };
> > +
> > + /* SPI-NOR is shared pin with serial NAND */
> > + spi_nor_pins: spi-nor-pins {
> > + mux {
> > + function = "flash";
> > + groups = "spi_nor";
> > + };
> > + };
> > +
> > + /* serial NAND is shared pin with SPI-NOR */
> > + serial_nand_pins: serial-nand-pins {
> > + mux {
> > + function = "flash";
> > + groups = "snfi";
> > + };
> > + };
> > +
> > + uart0_pins: uart0-pins {
> > + mux {
> > + function = "uart";
> > + groups = "uart0_0_tx_rx" ;
> > + };
> > + };
> > +
> > + uart2_pins: uart2-pins {
> > + mux {
> > + function = "uart";
> > + groups = "uart2_1_tx_rx" ;
> > + };
> > + };
> > +
> > + watchdog_pins: watchdog-pins {
> > + mux {
> > + function = "watchdog";
> > + groups = "watchdog";
> > + };
> > + };
> > +};
> > +
> > &uart0 {
> > status = "okay";
> > };
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> > index 81207e6..8211bf7 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> > @@ -147,6 +147,13 @@
> > #clock-cells = <1>;
> > };
> >
> > + pio: pinctrl@...11000 {
> > + compatible = "mediatek,mt7622-pinctrl";
> > + reg = <0 0x10211000 0 0x1000>;
> > + gpio-controller;
> > + #gpio-cells = <2>;
> > + };
> > +
> > gic: interrupt-controller@...00000 {
> > compatible = "arm,gic-400";
> > interrupt-controller;
> >
>
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