Re: [PATCH 2/5] ARM: dts: lpc32xx: add sspclk clock for SPI[0,1]

From: Vladimir Zapolskiy

Date: Thu Nov 13 2025 - 18:12:14 EST


Hi Frank.

On 10/29/25 22:27, Frank Li wrote:
add sspclk clock for SPI[0,1] to fix below CHECK_DTB warning:
arch/arm/boot/dts/nxp/lpc/lpc3250-phy3250.dtb: spi@2008c000 (arm,pl022): clock-names:0: 'sspclk' was expected

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi b/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
index 9790b0a1d6537..77f210a2152dc 100644
--- a/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
@@ -179,8 +179,8 @@ ssp0: spi@20084000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x20084000 0x1000>;
interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clk LPC32XX_CLK_SSP0>;
- clock-names = "apb_pclk";
+ clocks =<&clk LPC32XX_CLK_SSP0>, <&clk LPC32XX_CLK_SSP0>;
+ clock-names = "sspclk", "apb_pclk";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
@@ -203,8 +203,8 @@ ssp1: spi@2008c000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x2008c000 0x1000>;
interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clk LPC32XX_CLK_SSP1>;
- clock-names = "apb_pclk";
+ clocks = <&clk LPC32XX_CLK_SSP1>, <&clk LPC32XX_CLK_SSP1>;
+ clock-names = "sspclk", "apb_pclk";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";

This one I won't apply now, since there is another much earlier sent
and discussed change:

https://lore.kernel.org/all/20220311093800.18778-4-singh.kuldeep87k@xxxxxxxxx/

The thing is formally it's a DT ABI change. I'm pro to apply the change, but
let me say I need to get a bit more of courage to resend it and to push it
through as an incredibly unlikely but still potentially harmful change to
some unknown user.

--
Best wishes,
Vladimir