:
[0.360934] x3 : x2 : 18b0d50da009d000
[0.366258] x1 : x0 : 0042
[0.371583] Call trace:
[0.374032] swiotlb_tbl_map_single+0x2b0/0x6a0
[0.378573] swiotlb_map+0xa8/0x2b0
Signed-off-by: Brad Larson
---
kernel/dma/swiotlb.c | 2
management port.
- Storage/crypto offloads and 144 programmable P4 cores.
- QSPI and EMMC for SoC storage
- Two SPI interfaces for peripheral management
- I2C bus for platform management
Brad Larson (8):
gpio: Add Elba SoC gpio driver for spi cs control
spi: cadence-quadspi: Add QSPI support for
This GPIO driver is for the Pensando Elba SoC which
provides control of four chip selects on two SPI busses.
Signed-off-by: Brad Larson
---
drivers/gpio/Kconfig | 6 ++
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-elba-spics.c | 120 +
3
The Pensando Elba SoC uses a GPIO based chip select
for two DW SPI busses with each bus having two
chip selects.
Signed-off-by: Brad Larson
---
drivers/spi/spi-dw-mmio.c | 35 ++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-dw
Pensando Elba SoC platforms have a SPI connected CPLD
for platform management.
Signed-off-by: Brad Larson
---
drivers/spi/spidev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 8cb4d923aeaa..8b285852ce82 100644
--- a/drivers/spi/spidev.c
Add Pensando common and Elba SoC specific device nodes
and corresponding binding documentation.
Signed-off-by: Brad Larson
---
.../bindings/gpio/pensando,elba-spics.txt | 24 ++
.../devicetree/bindings/mmc/cdns,sdhci.yaml | 2 +-
.../bindings/spi/cadence-quadspi.txt | 1
Add ARCH_PENSANDO configuration option for Pensando SoC
based platforms.
Signed-off-by: Brad Larson
---
arch/arm64/Kconfig.platforms | 5 +
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index cdfd5fed457f..803e7cf1df55 100644
--- a
Add QSPI controller support fo Pensando Elba SoC.
Signed-off-by: Brad Larson
---
drivers/spi/spi-cadence-quadspi.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/drivers/spi/spi-cadence-quadspi.c
b/drivers/spi/spi-cadence-quadspi.c
index 442cc7c53a47..fb0d9b0bd596 100644
--- a
Add support for Pensando Elba SoC which explicitly controls
byte-lane enables on writes. Refactor to allow platform
specific write ops.
Signed-off-by: Brad Larson
---
drivers/mmc/host/Kconfig | 15 +++
drivers/mmc/host/Makefile | 1 +
drivers/mmc/host/sdhci-cadence
Add entry for PENSANDO maintainer and files.
Signed-off-by: Brad Larson
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 973a937386fa..3f2eebda2396 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2246,6 +2246,15 @@ S: Maintained
On Mon, Mar 29, 2021 at 9:01 AM Mark Brown wrote:
>
> On Sun, Mar 28, 2021 at 06:59:35PM -0700, Brad Larson wrote:
> > Add new vendor Pensando Systems Elba SoC compatible
> > string and convert to json-schema.
>
> These are two unrelated changes and should be separate pat
On Sun, Mar 28, 2021 at 11:48 PM Greg KH wrote:
>
> On Sun, Mar 28, 2021 at 06:59:38PM -0700, Brad Larson wrote:
> > New drivers should include instead
> > of legacy .
> >
> > Signed-off-by: Brad Larson
> > ---
> > drivers/gpio/gpio-elba-spics.c | 3
On Mon, Mar 29, 2021 at 6:44 AM Linus Walleij wrote:
>
> On Mon, Mar 29, 2021 at 4:00 AM Brad Larson wrote:
>
> > New drivers should include instead
> > of legacy .
> >
> > Signed-off-by: Brad Larson
>
> Fold into patch 1 as indicated by Greg.
>
>
On Mon, Mar 29, 2021 at 8:58 AM Mark Brown wrote:
>
> On Sun, Mar 28, 2021 at 06:59:28PM -0700, Brad Larson wrote:
>
> > @@ -56,7 +56,7 @@ struct dw_spi_mscc {
> > /*
> > * The Designware SPI controller (referred to as master in the
> > documentation)
>
On Thu, Mar 4, 2021 at 12:29 AM Linus Walleij wrote:
>
> Hi Brad,
>
> thanks for your patch!
>
> On Thu, Mar 4, 2021 at 4:42 AM Brad Larson wrote:
>
> > This GPIO driver is for the Pensando Elba SoC which
> > provides control of four chip selects on two SPI bu
On Mon, Mar 29, 2021 at 3:45 AM Andy Shevchenko
wrote:
>
> On Mon, Mar 29, 2021 at 5:01 AM Brad Larson wrote:
> >
> > Pensando Elba SoC platforms have a SPI connected CPLD
> > for platform management.
>
> And? It's not a good justification to spread the
On Thu, Mar 4, 2021 at 12:52 AM Linus Walleij wrote:
>
> On Thu, Mar 4, 2021 at 4:42 AM Brad Larson wrote:
>
> > Add Pensando common and Elba SoC specific device nodes
> > and corresponding binding documentation.
> >
> > Signed-off-by: Brad Larson
> (...)
On Thu, Mar 4, 2021 at 12:03 AM Serge Semin wrote:
>
> On Wed, Mar 03, 2021 at 07:41:40PM -0800, Brad Larson wrote:
> > Add Pensando common and Elba SoC specific device nodes
> > and corresponding binding documentation.
>
> This also needs to be split up into sub-
On Sun, Mar 7, 2021 at 11:21 AM Andy Shevchenko
wrote:
>
> On Thu, Mar 4, 2021 at 4:40 PM Brad Larson wrote:
> >
> > This GPIO driver is for the Pensando Elba SoC which
> > provides control of four chip selects on two SPI busses.
>
> > +config GPIO_ELBA_SPICS
&g
This GPIO driver is for the Pensando Elba SoC which
provides control of four chip selects on two SPI busses.
Signed-off-by: Brad Larson
---
drivers/gpio/Kconfig | 6 ++
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-elba-spics.c | 114 +
3
Add QSPI controller support for Pensando Elba SoC
Signed-off-by: Brad Larson
---
drivers/spi/spi-cadence-quadspi.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/drivers/spi/spi-cadence-quadspi.c
b/drivers/spi/spi-cadence-quadspi.c
index 52ddb3255d88..4aacb0b2dbc7 100644
--- a
Pensando Elba SoC platforms have a SPI connected CPLD
for platform management.
Signed-off-by: Brad Larson
---
drivers/spi/spidev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 8cb4d923aeaa..8b285852ce82 100644
--- a/drivers/spi/spidev.c
Add vendor prefix for Pensando Systems, Inc.
Signed-off-by: Brad Larson
---
Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml
b/Documentation/devicetree/bindings/vendor
message.
- 03Remove else clause, intrinsic DW chip-select is never used.
- 08-11 Split out dts and bindings to sub-patches
- 10Converted existing cadence-quadspi.txt to YAML schema
- 13New driver should use
Brad Larson (13):
gpio: Add Elba SoC gpio driver for spi cs control
spi
The Pensando Elba SoC uses a GPIO based chip select
for two DW SPI busses with each bus having two
chip selects.
Signed-off-by: Brad Larson
---
drivers/spi/spi-dw-mmio.c | 28 +++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-dw-mmio.c b
Add new vendor Pensando Systems Elba SoC compatible
string and convert to json-schema.
Signed-off-by: Brad Larson
---
.../bindings/spi/cadence-quadspi.txt | 68
.../bindings/spi/cadence-quadspi.yaml | 153 ++
2 files changed, 153 insertions(+), 68
The Pensando Elba SoC gpio driver provides control
of four chip selects on two SPI busses.
Signed-off-by: Brad Larson
---
.../bindings/gpio/pensando,elba-spics.yaml| 50 +++
1 file changed, 50 insertions(+)
create mode 100644
Documentation/devicetree/bindings/gpio/pensando
Add entry for PENSANDO maintainer and files
Signed-off-by: Brad Larson
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index fb2a3633b719..272c7a7fde75 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2246,6 +2246,15 @@ S: Maintained
W
Add ARCH_PENSANDO configuration option for Pensando SoC
based platforms.
Signed-off-by: Brad Larson
---
arch/arm64/Kconfig.platforms | 5 +
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index cdfd5fed457f..803e7cf1df55 100644
--- a
Add Pensando common and Elba SoC specific device nodes
Signed-off-by: Brad Larson
---
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/pensando/Makefile | 6 +
arch/arm64/boot/dts/pensando/elba-16core.dtsi | 170 ++
.../boot/dts/pensando/elba-asic
New drivers should include instead
of legacy .
Signed-off-by: Brad Larson
---
drivers/gpio/gpio-elba-spics.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpio/gpio-elba-spics.c b/drivers/gpio/gpio-elba-spics.c
index 351bbaeea033..c0dce5333f35 100644
--- a
Add support for Pensando Elba SoC which explicitly controls
byte-lane enables on writes. Refactor to allow platform
specific write ops.
Signed-off-by: Brad Larson
---
drivers/mmc/host/Kconfig | 15 +++
drivers/mmc/host/Makefile | 1 +
drivers/mmc/host/sdhci-cadence
Pensando Elba ARM 64-bit SoC is integrated with this IP
Signed-off-by: Brad Larson
---
Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
b/Documentation/devicetree/bindings/mmc/cdns
On Thu, Mar 4, 2021 at 12:48 AM Linus Walleij wrote:
> On Thu, Mar 4, 2021 at 4:42 AM Brad Larson wrote:
>
> > The Pensando Elba SoC uses a GPIO based chip select
> > for two DW SPI busses with each bus having two
> > chip selects.
> >
> > Signed-off-by: B
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