On Wed 22 Jun 00:18 CDT 2022, Vinod Koul wrote:
> On 11-06-22, 22:57, Andrey Konovalov wrote:
> > The current settings refer to "blsp_spi1" function which isn't defined.
> > For this reason an attempt to enable blsp1_spi1 interface results in
> > the probe failure below:
> >
> > [ 3.492900] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table
> > [ 3.502460] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table
> > [ 3.517725] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table
> > [ 3.532998] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table
> > [ 3.548277] spi_qup: probe of 78b6000.spi failed with error -22
> >
> > Fix this by making the functions used in qcs404.dtsi to match the contents
> > of drivers/pinctrl/qcom/pinctrl-qcs404.c.
>
> Right, I cannot find blsp_spi1 which is the only one which is missing,
> not sure why...
>
> Bjorn do you recall why SPI1 is treated differently...
>
Looking at the available pinctrl functions, I believe that blsp_spi1 has
two possible mux options; identified b y blsp_spi_*_a1 and
blsp_spi_*_b1.
Regards,
Bjorn
> >
> > Signed-off-by: Andrey Konovalov <andrey.konovalov@xxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/qcom/qcs404.dtsi | 21 +++++++++++++++++++--
> > 1 file changed, 19 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> > index d912166b7552..0d9e1f19aa67 100644
> > --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> > @@ -669,8 +669,25 @@ blsp1_spi0_default: blsp1-spi0-default {
> > };
> >
> > blsp1_spi1_default: blsp1-spi1-default {
> > - pins = "gpio22", "gpio23", "gpio24", "gpio25";
> > - function = "blsp_spi1";
> > + mosi {
> > + pins = "gpio22";
> > + function = "blsp_spi_mosi_a1";
> > + };
> > +
> > + miso {
> > + pins = "gpio23";
> > + function = "blsp_spi_miso_a1";
> > + };
> > +
> > + cs_n {
> > + pins = "gpio24";
> > + function = "blsp_spi_cs_n_a1";
> > + };
> > +
> > + clk {
> > + pins = "gpio25";
> > + function = "blsp_spi_clk_a1";
> > + };
> > };
> >
> > blsp1_spi2_default: blsp1-spi2-default {
> > --
> > 2.25.1
>
> --
> ~Vinod
