arm64: dts: ti: k3-am65: Enable SPI nodes at the board level

SPI nodes defined in the top-level AM65x SoC dtsi files are incomplete
and will not be functional unless they are extended with pinmux
information.

As the pinmux is only known at the board integration level, these
nodes should only be enabled when provided with this information.

Disable the SPI nodes in the dtsi files and only enable the ones that
are actually pinned out on a given board.

Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20221028142417.10642-4-afd@ti.com

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 945a8a7..fa4b6eb 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -574,6 +574,7 @@
 };
 
 &mcu_spi0 {
+       status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&mcu_spi0_pins_default>;
 

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index feef5fd..74fd807 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -217,6 +217,7 @@
                #size-cells = <0>;
                dmas = <&main_udmap 0xc500>, <&main_udmap 0x4500>;
                dma-names = "tx0", "rx0";
+               status = "disabled";
        };
 
        main_spi1: spi@2110000 {
@@ -229,6 +230,7 @@
                #size-cells = <0>;
                assigned-clocks = <&k3_clks 137 1>;
                assigned-clock-rates = <48000000>;
+               status = "disabled";
        };
 
        main_spi2: spi@2120000 {
@@ -239,6 +241,7 @@
                power-domains = <&k3_pds 139 TI_SCI_PD_EXCLUSIVE>;
                #address-cells = <1>;
                #size-cells = <0>;
+               status = "disabled";
        };
 
        main_spi3: spi@2130000 {
@@ -249,6 +252,7 @@
                power-domains = <&k3_pds 140 TI_SCI_PD_EXCLUSIVE>;
                #address-cells = <1>;
                #size-cells = <0>;
+               status = "disabled";
        };
 
        main_spi4: spi@2140000 {
@@ -259,6 +263,7 @@
                power-domains = <&k3_pds 141 TI_SCI_PD_EXCLUSIVE>;
                #address-cells = <1>;
                #size-cells = <0>;
+               status = "disabled";
        };
 
        sdhci0: mmc@4f80000 {

diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 56cb193..ad7d27c 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -58,6 +58,7 @@
                power-domains = <&k3_pds 142 TI_SCI_PD_EXCLUSIVE>;
                #address-cells = <1>;
                #size-cells = <0>;
+               status = "disabled";
        };
 
        mcu_spi1: spi@40310000 {
@@ -68,6 +69,7 @@
                power-domains = <&k3_pds 143 TI_SCI_PD_EXCLUSIVE>;
                #address-cells = <1>;
                #size-cells = <0>;
+               status = "disabled";
        };
 
        mcu_spi2: spi@40320000 {
@@ -78,6 +80,7 @@
                power-domains = <&k3_pds 144 TI_SCI_PD_EXCLUSIVE>;
                #address-cells = <1>;
                #size-cells = <0>;
+               status = "disabled";
        };
 
        tscadc0: tscadc@40200000 {

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 991a855..3f5a5eb 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -342,6 +342,7 @@
 };
 
 &main_spi0 {
+       status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&main_spi0_pins_default>;
        #address-cells = <1>;