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Date: Thu, 20 Jan 2022 13:32:33 +0100
From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>, jan.kiszka@...mens.com
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: ti: k3-am65: disable optional
peripherals by default
On Tue, 2022-01-11 at 12:25 +0100, Matthias Schiffer wrote:
> All peripharals that require pinmuxing or other configuration to work
> should be disabled by default. Dependent DTS are adjusted
> accordingly.
>
> The following nodes are now "disabled" according to dtx_diff and were
> not
> overridden to "okay", as they define no pinctrl:
>
> k3-am654-base-board:
> - mcu_i2c0
> - mcu_spi0..2
> - cal
> - main_i2c3
> - ehrpwm0..5
> - main_uart1..2
> - main_spi1..4
>
> k3-am65-iot2050*:
> - mci_spi1..2
> - cal
> - ehrpwm0..5
> - main_spi0..4
I noticed that I didn't disable mcu_uart0 in k3-am65-mcu.dtsi, which
would make sense for consistency. It is currently not disabled in
k3-am654-base-board.dts either, but it doesn't have a pinmuxing
defined. Does it work with the default muxing, or should it rather be
disabled for that board?
I can send a v2 if this patch is acceptable at all (which would be
desirable for the addition of our TQMa65xx SoM and MBa65xx carrier
board, as it allows for a similar reduction of DTS lines as the one
seen in the diffstat below for k3-am65-iot2050-common.dtsi and
k3-am654-base-board.dts).
Kind regards,
Matthias
>
> Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
> ---
>
> These changes were not tested on hardware, and I'm not familiar with
> any of these boards, so it would be great if someone could check
> whether the effective changes listed above are correct, or if some of
> these devices (in particular I2C, UART and PWM) are actually
> connected
> and work with the default pinmuxing.
>
> There were also a few devices where I was unsure whether they are
> optional
> or not - for example one of the io2050 disables all the txpru nodes,
> so
> maybe it would make sense to disable these in the SoC DTSI as well? I
> left
> these nodes unchanged for now.
>
> .../dts/ti/k3-am65-iot2050-common-pg1.dtsi | 4 -
> .../dts/ti/k3-am65-iot2050-common-pg2.dtsi | 7 +
> .../boot/dts/ti/k3-am65-iot2050-common.dtsi | 132 +++++-----------
> --
> arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 52 +++++++
> arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 10 ++
> arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 2 +
> .../ti/k3-am6528-iot2050-basic-common.dtsi | 6 +-
> .../arm64/boot/dts/ti/k3-am654-base-board.dts | 129 +++-------------
> -
> .../ti/k3-am6548-iot2050-advanced-common.dtsi | 5 +-
> 9 files changed, 134 insertions(+), 213 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
> b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
> index 51f902fa35a7..746f0e89a305 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
> @@ -13,10 +13,6 @@ &dss {
> assigned-clock-parents = <&k3_clks 67 5>;
> };
>
> -&serdes0 {
> - status = "disabled";
> -};
> -
> &sdhci1 {
> no-1-8-v;
> };
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi
> b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi
> index e73458ca6900..b769fe6fc072 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi
> @@ -35,6 +35,7 @@ &dss {
> &serdes0 {
> assigned-clocks = <&k3_clks 153 4>, <&serdes0
> AM654_SERDES_CMU_REFCLK>;
> assigned-clock-parents = <&k3_clks 153 7>, <&k3_clks 153 4>;
> + status = "okay";
> };
>
> &dwc3_0 {
> @@ -42,10 +43,16 @@ &dwc3_0 {
> <&k3_clks 151 8>; /* set
> PIPE3_TXB_CLK to WIZ8B2M4VSB */
> phys = <&serdes0 PHY_TYPE_USB3 0>;
> phy-names = "usb3-phy";
> + status = "okay";
> };
>
> &usb0 {
> maximum-speed = "super-speed";
> snps,dis-u1-entry-quirk;
> snps,dis-u2-entry-quirk;
> + status = "okay";
> +};
> +
> +&usb0_phy {
> + status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
> b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
> index 3079eaee01c0..873c123c611e 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
> @@ -362,15 +362,13 @@ &wkup_uart0 {
> &main_uart1 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_uart1_pins_default>;
> -};
> -
> -&main_uart2 {
> - status = "disabled";
> + status = "okay";
> };
>
> &mcu_uart0 {
> pinctrl-names = "default";
> pinctrl-0 = <&arduino_uart_pins_default>;
> + status = "okay";
> };
>
> &main_gpio0 {
> @@ -416,12 +414,14 @@ &wkup_i2c0 {
> pinctrl-names = "default";
> pinctrl-0 = <&wkup_i2c0_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
> };
>
> &mcu_i2c0 {
> pinctrl-names = "default";
> pinctrl-0 = <&mcu_i2c0_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
>
> psu: regulator@60 {
> compatible = "ti,tps62363";
> @@ -481,6 +481,7 @@ &main_i2c0 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c0_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
>
> rtc: rtc8564@51 {
> compatible = "nxp,pcf8563";
> @@ -498,12 +499,14 @@ &main_i2c1 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c1_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
> };
>
> &main_i2c2 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c2_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
> };
>
> &main_i2c3 {
> @@ -514,6 +517,8 @@ &main_i2c3 {
> #address-cells = <1>;
> #size-cells = <0>;
>
> + status = "okay";
> +
> edp-bridge@f {
> compatible = "toshiba,tc358767";
> reg = <0x0f>;
> @@ -541,13 +546,10 @@ bridge_in: endpoint {
> };
> };
>
> -&mcu_cpsw {
> - status = "disabled";
> -};
> -
> &ecap0 {
> pinctrl-names = "default";
> pinctrl-0 = <&ecap0_pins_default>;
> + status = "okay";
> };
>
> &sdhci1 {
> @@ -555,20 +557,38 @@ &sdhci1 {
> pinctrl-0 = <&main_mmc1_pins_default>;
> ti,driver-strength-ohm = <50>;
> disable-wp;
> + status = "okay";
> +};
> +
> +&dwc3_0 {
> + status = "okay";
> };
>
> +
> &usb0 {
> pinctrl-names = "default";
> pinctrl-0 = <&usb0_pins_default>;
> dr_mode = "host";
> };
>
> +&usb0_phy {
> + status = "okay";
> +};
> +
> +&dwc3_1 {
> + status = "okay";
> +};
> +
> &usb1 {
> pinctrl-names = "default";
> pinctrl-0 = <&usb1_pins_default>;
> dr_mode = "host";
> };
>
> +&usb1_phy {
> + status = "okay";
> +};
> +
> &mcu_spi0 {
> pinctrl-names = "default";
> pinctrl-0 = <&mcu_spi0_pins_default>;
> @@ -576,13 +596,12 @@ &mcu_spi0 {
> #address-cells = <1>;
> #size-cells= <0>;
> ti,pindir-d0-out-d1-in;
> -};
> -
> -&tscadc0 {
> - status = "disabled";
> + status = "okay";
> };
>
> &tscadc1 {
> + status = "okay";
> +
> adc {
> ti,adc-channels = <0 1 2 3 4 5>;
> };
> @@ -591,6 +610,7 @@ adc {
> &ospi0 {
> pinctrl-names = "default";
> pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
> + status = "okay";
>
> flash@0 {
> compatible = "jedec,spi-nor";
> @@ -611,6 +631,7 @@ flash@0 {
> &dss {
> pinctrl-names = "default";
> pinctrl-0 = <&dss_vout1_pins_default>;
> + status = "okay";
>
> assigned-clocks = <&k3_clks 67 2>;
> assigned-clock-parents = <&k3_clks 67 5>;
> @@ -628,17 +649,14 @@ dpi_out: endpoint {
> };
> };
>
> -&pcie0_rc {
> - status = "disabled";
> -};
> -
> -&pcie0_ep {
> - status = "disabled";
> +&serdes1 {
> + status = "okay";
> };
>
> &pcie1_rc {
> pinctrl-names = "default";
> pinctrl-0 = <&minipcie_pins_default>;
> + status = "okay";
>
> num-lanes = <1>;
> phys = <&serdes1 PHY_TYPE_PCIE 0>;
> @@ -646,20 +664,9 @@ &pcie1_rc {
> reset-gpios = <&wkup_gpio0 27 GPIO_ACTIVE_HIGH>;
> };
>
> -&m_can0 {
> - status = "disabled";
> -};
> -
> -&m_can1 {
> - status = "disabled";
> -};
> -
> -&pcie1_ep {
> - status = "disabled";
> -};
> -
> &mailbox0_cluster0 {
> interrupts = <436>;
> + status = "okay";
>
> mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
> ti,mbox-tx = <1 0 0>;
> @@ -669,6 +676,7 @@ mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
>
> &mailbox0_cluster1 {
> interrupts = <432>;
> + status = "okay";
>
> mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
> ti,mbox-tx = <1 0 0>;
> @@ -676,46 +684,6 @@ mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
> };
> };
>
> -&mailbox0_cluster2 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster3 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster4 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster5 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster6 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster7 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster8 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster9 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster10 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster11 {
> - status = "disabled";
> -};
> -
> &mcu_r5fss0_core0 {
> memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
> <&mcu_r5fss0_core0_memory_region>;
> @@ -727,27 +695,3 @@ &mcu_r5fss0_core1 {
> <&mcu_r5fss0_core1_memory_region>;
> mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
> };
> -
> -&icssg0_mdio {
> - status = "disabled";
> -};
> -
> -&icssg1_mdio {
> - status = "disabled";
> -};
> -
> -&icssg2_mdio {
> - status = "disabled";
> -};
> -
> -&mcasp0 {
> - status = "disabled";
> -};
> -
> -&mcasp1 {
> - status = "disabled";
> -};
> -
> -&mcasp2 {
> - status = "disabled";
> -};
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index ce8bb4a61011..5aa425d1ba80 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -64,6 +64,7 @@ serdes0: serdes@...000 {
> ti,serdes-clk = <&serdes0_clk>;
> #clock-cells = <1>;
> mux-controls = <&serdes_mux 0>;
> + status = "disabled";
> };
>
> serdes1: serdes@...000 {
> @@ -79,6 +80,7 @@ serdes1: serdes@...000 {
> ti,serdes-clk = <&serdes1_clk>;
> #clock-cells = <1>;
> mux-controls = <&serdes_mux 1>;
> + status = "disabled";
> };
>
> main_uart0: serial@...0000 {
> @@ -88,6 +90,7 @@ main_uart0: serial@...0000 {
> clock-frequency = <48000000>;
> current-speed = <115200>;
> power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> main_uart1: serial@...0000 {
> @@ -96,6 +99,7 @@ main_uart1: serial@...0000 {
> interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
> clock-frequency = <48000000>;
> power-domains = <&k3_pds 147 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> main_uart2: serial@...0000 {
> @@ -104,6 +108,7 @@ main_uart2: serial@...0000 {
> interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
> clock-frequency = <48000000>;
> power-domains = <&k3_pds 148 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> crypto: crypto@...0000 {
> @@ -152,6 +157,7 @@ main_i2c0: i2c@...0000 {
> clock-names = "fck";
> clocks = <&k3_clks 110 1>;
> power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> main_i2c1: i2c@...0000 {
> @@ -163,6 +169,7 @@ main_i2c1: i2c@...0000 {
> clock-names = "fck";
> clocks = <&k3_clks 111 1>;
> power-domains = <&k3_pds 111 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> main_i2c2: i2c@...0000 {
> @@ -174,6 +181,7 @@ main_i2c2: i2c@...0000 {
> clock-names = "fck";
> clocks = <&k3_clks 112 1>;
> power-domains = <&k3_pds 112 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> main_i2c3: i2c@...0000 {
> @@ -185,6 +193,7 @@ main_i2c3: i2c@...0000 {
> clock-names = "fck";
> clocks = <&k3_clks 113 1>;
> power-domains = <&k3_pds 113 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> ecap0: pwm@...0000 {
> @@ -194,6 +203,7 @@ ecap0: pwm@...0000 {
> power-domains = <&k3_pds 39 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&k3_clks 39 0>;
> clock-names = "fck";
> + status = "disabled";
> };
>
> main_spi0: spi@...0000 {
> @@ -206,6 +216,7 @@ main_spi0: spi@...0000 {
> #size-cells = <0>;
> dmas = <&main_udmap 0xc500>, <&main_udmap 0x4500>;
> dma-names = "tx0", "rx0";
> + status = "disabled";
> };
>
> main_spi1: spi@...0000 {
> @@ -218,6 +229,7 @@ main_spi1: spi@...0000 {
> #size-cells = <0>;
> assigned-clocks = <&k3_clks 137 1>;
> assigned-clock-rates = <48000000>;
> + status = "disabled";
> };
>
> main_spi2: spi@...0000 {
> @@ -228,6 +240,7 @@ main_spi2: spi@...0000 {
> power-domains = <&k3_pds 139 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
>
> main_spi3: spi@...0000 {
> @@ -238,6 +251,7 @@ main_spi3: spi@...0000 {
> power-domains = <&k3_pds 140 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
>
> main_spi4: spi@...0000 {
> @@ -248,6 +262,7 @@ main_spi4: spi@...0000 {
> power-domains = <&k3_pds 141 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
>
> sdhci0: mmc@...0000 {
> @@ -272,6 +287,7 @@ sdhci0: mmc@...0000 {
> ti,otap-del-sel-hs400 = <0x0>;
> ti,trm-icp = <0x8>;
> dma-coherent;
> + status = "disabled";
> };
>
> sdhci1: mmc@...0000 {
> @@ -295,6 +311,7 @@ sdhci1: mmc@...0000 {
> ti,otap-del-sel = <0x2>;
> ti,trm-icp = <0x8>;
> dma-coherent;
> + status = "disabled";
> };
>
> scm_conf: scm-conf@...000 {
> @@ -361,6 +378,7 @@ dwc3_0: dwc3@...0000 {
> assigned-clocks = <&k3_clks 151 2>, <&k3_clks 151 7>;
> assigned-clock-parents = <&k3_clks 151 4>, /*
> set REF_CLK to 20MHz i.e. PER0_PLL/48 */
> <&k3_clks 151 9>; /*
> set PIPE3_TXB_CLK to CLK_12M_RC/256 (for HS only) */
> + status = "disabled";
>
> usb0: usb@...00 {
> compatible = "snps,dwc3";
> @@ -386,6 +404,7 @@ usb0_phy: phy@...0000 {
> clocks = <&k3_clks 151 0>, <&k3_clks 151 1>;
> clock-names = "wkupclk", "refclk";
> #phy-cells = <0>;
> + status = "disabled";
> };
>
> dwc3_1: dwc3@...0000 {
> @@ -400,6 +419,7 @@ dwc3_1: dwc3@...0000 {
> clocks = <&k3_clks 152 2>;
> assigned-clocks = <&k3_clks 152 2>;
> assigned-clock-parents = <&k3_clks 152 4>; /*
> set REF_CLK to 20MHz i.e. PER0_PLL/48 */
> + status = "disabled";
>
> usb1: usb@...00 {
> compatible = "snps,dwc3";
> @@ -424,6 +444,7 @@ usb1_phy: phy@...0000 {
> clocks = <&k3_clks 152 0>, <&k3_clks 152 1>;
> clock-names = "wkupclk", "refclk";
> #phy-cells = <0>;
> + status = "disabled";
> };
>
> intr_main_gpio: interrupt-controller@...000 {
> @@ -497,6 +518,7 @@ mailbox0_cluster0: mailbox@...80000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster1: mailbox@...81000 {
> @@ -506,6 +528,7 @@ mailbox0_cluster1: mailbox@...81000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster2: mailbox@...82000 {
> @@ -515,6 +538,7 @@ mailbox0_cluster2: mailbox@...82000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster3: mailbox@...83000 {
> @@ -524,6 +548,7 @@ mailbox0_cluster3: mailbox@...83000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster4: mailbox@...84000 {
> @@ -533,6 +558,7 @@ mailbox0_cluster4: mailbox@...84000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster5: mailbox@...85000 {
> @@ -542,6 +568,7 @@ mailbox0_cluster5: mailbox@...85000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster6: mailbox@...86000 {
> @@ -551,6 +578,7 @@ mailbox0_cluster6: mailbox@...86000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster7: mailbox@...87000 {
> @@ -560,6 +588,7 @@ mailbox0_cluster7: mailbox@...87000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster8: mailbox@...88000 {
> @@ -569,6 +598,7 @@ mailbox0_cluster8: mailbox@...88000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster9: mailbox@...89000 {
> @@ -578,6 +608,7 @@ mailbox0_cluster9: mailbox@...89000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster10: mailbox@...8a000 {
> @@ -587,6 +618,7 @@ mailbox0_cluster10: mailbox@...8a000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> mailbox0_cluster11: mailbox@...8b000 {
> @@ -596,6 +628,7 @@ mailbox0_cluster11: mailbox@...8b000 {
> ti,mbox-num-users = <4>;
> ti,mbox-num-fifos = <16>;
> interrupt-parent = <&intr_main_navss>;
> + status = "disabled";
> };
>
> ringacc: ringacc@...00000 {
> @@ -703,6 +736,7 @@ pcie0_rc: pcie@...0000 {
> interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>;
> msi-map = <0x0 &gic_its 0x0 0x10000>;
> device_type = "pci";
> + status = "disabled";
> };
>
> pcie0_ep: pcie-ep@...0000 {
> @@ -716,6 +750,7 @@ pcie0_ep: pcie-ep@...0000 {
> max-link-speed = <2>;
> dma-coherent;
> interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>;
> + status = "disabled";
> };
>
> pcie1_rc: pcie@...0000 {
> @@ -736,6 +771,7 @@ pcie1_rc: pcie@...0000 {
> interrupts = <GIC_SPI 355 IRQ_TYPE_EDGE_RISING>;
> msi-map = <0x0 &gic_its 0x10000 0x10000>;
> device_type = "pci";
> + status = "disabled";
> };
>
> pcie1_ep: pcie-ep@...0000 {
> @@ -749,6 +785,7 @@ pcie1_ep: pcie-ep@...0000 {
> max-link-speed = <2>;
> dma-coherent;
> interrupts = <GIC_SPI 355 IRQ_TYPE_EDGE_RISING>;
> + status = "disabled";
> };
>
> mcasp0: mcasp@...0000 {
> @@ -766,6 +803,7 @@ mcasp0: mcasp@...0000 {
> clocks = <&k3_clks 104 0>;
> clock-names = "fck";
> power-domains = <&k3_pds 104 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> mcasp1: mcasp@...0000 {
> @@ -783,6 +821,7 @@ mcasp1: mcasp@...0000 {
> clocks = <&k3_clks 105 0>;
> clock-names = "fck";
> power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> mcasp2: mcasp@...0000 {
> @@ -800,6 +839,7 @@ mcasp2: mcasp@...0000 {
> clocks = <&k3_clks 106 0>;
> clock-names = "fck";
> power-domains = <&k3_pds 106 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> cal: cal@...3000 {
> @@ -813,6 +853,7 @@ cal: cal@...3000 {
> clock-names = "fck";
> clocks = <&k3_clks 2 0>;
> power-domains = <&k3_pds 2 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
>
> ports {
> #address-cells = <1>;
> @@ -857,6 +898,8 @@ dss: dss@...0000 {
>
> dma-coherent;
>
> + status = "disabled";
> +
> dss_ports: ports {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -870,6 +913,7 @@ ehrpwm0: pwm@...0000 {
> power-domains = <&k3_pds 40 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&ehrpwm_tbclk 0>, <&k3_clks 40 0>;
> clock-names = "tbclk", "fck";
> + status = "disabled";
> };
>
> ehrpwm1: pwm@...0000 {
> @@ -879,6 +923,7 @@ ehrpwm1: pwm@...0000 {
> power-domains = <&k3_pds 41 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&ehrpwm_tbclk 1>, <&k3_clks 41 0>;
> clock-names = "tbclk", "fck";
> + status = "disabled";
> };
>
> ehrpwm2: pwm@...0000 {
> @@ -888,6 +933,7 @@ ehrpwm2: pwm@...0000 {
> power-domains = <&k3_pds 42 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&ehrpwm_tbclk 2>, <&k3_clks 42 0>;
> clock-names = "tbclk", "fck";
> + status = "disabled";
> };
>
> ehrpwm3: pwm@...0000 {
> @@ -897,6 +943,7 @@ ehrpwm3: pwm@...0000 {
> power-domains = <&k3_pds 43 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&ehrpwm_tbclk 3>, <&k3_clks 43 0>;
> clock-names = "tbclk", "fck";
> + status = "disabled";
> };
>
> ehrpwm4: pwm@...0000 {
> @@ -906,6 +953,7 @@ ehrpwm4: pwm@...0000 {
> power-domains = <&k3_pds 44 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&ehrpwm_tbclk 4>, <&k3_clks 44 0>;
> clock-names = "tbclk", "fck";
> + status = "disabled";
> };
>
> ehrpwm5: pwm@...0000 {
> @@ -915,6 +963,7 @@ ehrpwm5: pwm@...0000 {
> power-domains = <&k3_pds 45 TI_SCI_PD_EXCLUSIVE>;
> clocks = <&ehrpwm_tbclk 5>, <&k3_clks 45 0>;
> clock-names = "tbclk", "fck";
> + status = "disabled";
> };
>
> icssg0: icssg@...0000 {
> @@ -1055,6 +1104,7 @@ icssg0_mdio: mdio@...00 {
> #address-cells = <1>;
> #size-cells = <0>;
> bus_freq = <1000000>;
> + status = "disabled";
> };
> };
>
> @@ -1196,6 +1246,7 @@ icssg1_mdio: mdio@...00 {
> #address-cells = <1>;
> #size-cells = <0>;
> bus_freq = <1000000>;
> + status = "disabled";
> };
> };
>
> @@ -1337,6 +1388,7 @@ icssg2_mdio: mdio@...00 {
> #address-cells = <1>;
> #size-cells = <0>;
> bus_freq = <1000000>;
> + status = "disabled";
> };
> };
> };
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
> b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
> index 8d592bf41d6f..50f26e96276f 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
> @@ -46,6 +46,7 @@ mcu_i2c0: i2c@...00000 {
> clock-names = "fck";
> clocks = <&k3_clks 114 1>;
> power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> mcu_spi0: spi@...00000 {
> @@ -56,6 +57,7 @@ mcu_spi0: spi@...00000 {
> power-domains = <&k3_pds 142 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
>
> mcu_spi1: spi@...10000 {
> @@ -66,6 +68,7 @@ mcu_spi1: spi@...10000 {
> power-domains = <&k3_pds 143 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
>
> mcu_spi2: spi@...20000 {
> @@ -76,6 +79,7 @@ mcu_spi2: spi@...20000 {
> power-domains = <&k3_pds 144 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
>
> tscadc0: tscadc@...00000 {
> @@ -89,6 +93,7 @@ tscadc0: tscadc@...00000 {
> dmas = <&mcu_udmap 0x7100>,
> <&mcu_udmap 0x7101 >;
> dma-names = "fifo0", "fifo1";
> + status = "disabled";
>
> adc {
> #io-channel-cells = <1>;
> @@ -107,6 +112,7 @@ tscadc1: tscadc@...10000 {
> dmas = <&mcu_udmap 0x7102>,
> <&mcu_udmap 0x7103>;
> dma-names = "fifo0", "fifo1";
> + status = "disabled";
>
> adc {
> #io-channel-cells = <1>;
> @@ -172,6 +178,7 @@ m_can0: mcan@...28000 {
> <GIC_SPI 545 IRQ_TYPE_LEVEL_HIGH>;
> interrupt-names = "int0", "int1";
> bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
> + status = "disabled";
> };
>
> m_can1: mcan@...68000 {
> @@ -187,6 +194,7 @@ m_can1: mcan@...68000 {
> <GIC_SPI 548 IRQ_TYPE_LEVEL_HIGH>;
> interrupt-names = "int0", "int1";
> bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
> + status = "disabled";
> };
>
> fss: fss@...00000 {
> @@ -252,6 +260,8 @@ mcu_cpsw: ethernet@...00000 {
> "tx4", "tx5", "tx6", "tx7",
> "rx";
>
> + status = "disabled";
> +
> ethernet-ports {
> #address-cells = <1>;
> #size-cells = <0>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> index 9c69d0917f69..8f0c505a16ed 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> @@ -54,6 +54,7 @@ wkup_uart0: serial@...00000 {
> clock-frequency = <48000000>;
> current-speed = <115200>;
> power-domains = <&k3_pds 150 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> wkup_i2c0: i2c@...20000 {
> @@ -65,6 +66,7 @@ wkup_i2c0: i2c@...20000 {
> clock-names = "fck";
> clocks = <&k3_clks 115 1>;
> power-domains = <&k3_pds 115 TI_SCI_PD_EXCLUSIVE>;
> + status = "disabled";
> };
>
> intr_wkup_gpio: interrupt-controller@...00000 {
> diff --git a/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-
> common.dtsi b/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-
> common.dtsi
> index 4a9bf7d7c07d..29f539cc2392 100644
> --- a/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-common.dtsi
> @@ -29,11 +29,6 @@ cpu-map {
> /delete-node/ l2-cache1;
> };
>
> -/* eMMC */
> -&sdhci0 {
> - status = "disabled";
> -};
> -
> &main_pmx0 {
> main_uart0_pins_default: main-uart0-pins-default {
> pinctrl-single,pins = <
> @@ -52,6 +47,7 @@ AM65X_IOPAD(0x0194, PIN_INPUT, 1) /* (E24)
> UART0_RIN */
> &main_uart0 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_uart0_pins_default>;
> + status = "okay";
> };
>
> &mcu_r5fss0 {
> diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
> b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
> index 9043f91c9bec..821ee7f2eff0 100644
> --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
> @@ -275,12 +275,14 @@ &main_uart0 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_uart0_pins_default>;
> power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
> + status = "okay";
> };
>
> &wkup_i2c0 {
> pinctrl-names = "default";
> pinctrl-0 = <&wkup_i2c0_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
>
> pca9554: gpio@39 {
> compatible = "nxp,pca9554";
> @@ -300,6 +302,7 @@ &main_i2c0 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c0_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
>
> pca9555: gpio@21 {
> compatible = "nxp,pca9555";
> @@ -313,17 +316,20 @@ &main_i2c1 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c1_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
> };
>
> &main_i2c2 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c2_pins_default>;
> clock-frequency = <400000>;
> + status = "okay";
> };
>
> &ecap0 {
> pinctrl-names = "default";
> pinctrl-0 = <&ecap0_pins_default>;
> + status = "okay";
> };
>
> &main_spi0 {
> @@ -332,6 +338,7 @@ &main_spi0 {
> #address-cells = <1>;
> #size-cells= <0>;
> ti,pindir-d0-out-d1-in;
> + status = "okay";
>
> flash@0{
> compatible = "jedec,spi-nor";
> @@ -351,6 +358,7 @@ &sdhci0 {
> non-removable;
> ti,driver-strength-ohm = <50>;
> disable-wp;
> + status = "okay";
> };
>
> /*
> @@ -364,6 +372,11 @@ &sdhci1 {
> pinctrl-0 = <&main_mmc1_pins_default>;
> ti,driver-strength-ohm = <50>;
> disable-wp;
> + status = "okay";
> +};
> +
> +&dwc3_1 {
> + status = "okay";
> };
>
> &usb1 {
> @@ -372,60 +385,29 @@ &usb1 {
> dr_mode = "otg";
> };
>
> -&dwc3_0 {
> - status = "disabled";
> -};
> -
> -&usb0_phy {
> - status = "disabled";
> +&usb1_phy {
> + status = "okay";
> };
>
> &tscadc0 {
> + status = "okay";
> +
> adc {
> ti,adc-channels = <0 1 2 3 4 5 6 7>;
> };
> };
>
> &tscadc1 {
> + status = "okay";
> +
> adc {
> ti,adc-channels = <0 1 2 3 4 5 6 7>;
> };
> };
>
> -&serdes0 {
> - status = "disabled";
> -};
> -
> -&serdes1 {
> - status = "disabled";
> -};
> -
> -&pcie0_rc {
> - status = "disabled";
> -};
> -
> -&pcie0_ep {
> - status = "disabled";
> -};
> -
> -&pcie1_rc {
> - status = "disabled";
> -};
> -
> -&pcie1_ep {
> - status = "disabled";
> -};
> -
> -&m_can0 {
> - status = "disabled";
> -};
> -
> -&m_can1 {
> - status = "disabled";
> -};
> -
> &mailbox0_cluster0 {
> interrupts = <436>;
> + status = "okay";
>
> mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
> ti,mbox-tx = <1 0 0>;
> @@ -435,6 +417,7 @@ mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
>
> &mailbox0_cluster1 {
> interrupts = <432>;
> + status = "okay";
>
> mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
> ti,mbox-tx = <1 0 0>;
> @@ -442,46 +425,6 @@ mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
> };
> };
>
> -&mailbox0_cluster2 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster3 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster4 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster5 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster6 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster7 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster8 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster9 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster10 {
> - status = "disabled";
> -};
> -
> -&mailbox0_cluster11 {
> - status = "disabled";
> -};
> -
> &mcu_r5fss0_core0 {
> memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
> <&mcu_r5fss0_core0_memory_region>;
> @@ -497,6 +440,7 @@ &mcu_r5fss0_core1 {
> &ospi0 {
> pinctrl-names = "default";
> pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
> + status = "okay";
>
> flash@0{
> compatible = "jedec,spi-nor";
> @@ -517,6 +461,7 @@ flash@0{
> &mcu_cpsw {
> pinctrl-names = "default";
> pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>;
> + status = "okay";
> };
>
> &davinci_mdio {
> @@ -531,31 +476,3 @@ &cpsw_port1 {
> phy-mode = "rgmii-rxid";
> phy-handle = <&phy0>;
> };
> -
> -&mcasp0 {
> - status = "disabled";
> -};
> -
> -&mcasp1 {
> - status = "disabled";
> -};
> -
> -&mcasp2 {
> - status = "disabled";
> -};
> -
> -&dss {
> - status = "disabled";
> -};
> -
> -&icssg0_mdio {
> - status = "disabled";
> -};
> -
> -&icssg1_mdio {
> - status = "disabled";
> -};
> -
> -&icssg2_mdio {
> - status = "disabled";
> -};
> diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-
> common.dtsi b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-
> common.dtsi
> index d25e8b26187f..731224ec5c36 100644
> --- a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-common.dtsi
> @@ -49,8 +49,5 @@ &sdhci0 {
> non-removable;
> ti,driver-strength-ohm = <50>;
> disable-wp;
> -};
> -
> -&main_uart0 {
> - status = "disabled";
> + status = "okay";
> };
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