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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-01 19:09:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-01 19:09:04 -0700
commit2019295c9ea3137364682046bb6afc0eb364e591 (patch)
tree0f905528cd55cce6e1cd0db952f70f0531b06ff6 /drivers/firmware
parent1260d242d94ae423c585050bbaabe9064741f419 (diff)
parent28b5eaf9712bbed90c2b5a5608d70a16b7950856 (diff)
Merge tag 'spi-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown: "This is quite a quiet release for SPI, there's been a bit of cleanup to the core from Uwe but nothing functionality wise. We have added several new drivers, Cadence XSPI, Ingenic JZ47xx, Qualcomm SC7280 and SC7180 and Xilinx Versal OSPI" * tag 'spi-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (41 commits) spi: Convert NXP flexspi to json schema spi: spi-geni-qcom: Add support for GPI dma spi: fsi: Fix contention in the FSI2SPI engine spi: spi-rpc-if: Check return value of rpcif_sw_init() spi: tegra210-quad: Put device into suspend on driver removal spi: tegra20-slink: Put device into suspend on driver removal spi: bcm-qspi: Fix missing clk_disable_unprepare() on error in bcm_qspi_probe() spi: at91-usart: replacing legacy gpio interface for gpiod spi: replace snprintf in show functions with sysfs_emit spi: cadence: Add of_node_put() before return spi: orion: Add of_node_put() before goto spi: cadence-quadspi: fix dma_unmap_single() call spi: tegra20: fix build with CONFIG_PM_SLEEP=n spi: bcm-qspi: add support for 3-wire mode for half duplex transfer spi: bcm-qspi: Add mspi spcr3 32/64-bits xfer mode spi: Make several public functions private to spi.c spi: Reorder functions to simplify the next commit spi: Remove unused function spi_busnum_to_master() spi: Move comment about chipselect check to the right place spi: fsi: Print status on error ...
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/xilinx/zynqmp.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index a3cadbaf3cba..1436e03ff4f7 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -648,6 +648,23 @@ int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type)
EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset);
/**
+ * zynqmp_pm_ospi_mux_select() - OSPI Mux selection
+ *
+ * @dev_id: Device Id of the OSPI device.
+ * @select: OSPI Mux select value.
+ *
+ * This function select the OSPI Mux.
+ *
+ * Return: Returns status, either success or error+reason
+ */
+int zynqmp_pm_ospi_mux_select(u32 dev_id, u32 select)
+{
+ return zynqmp_pm_invoke_fn(PM_IOCTL, dev_id, IOCTL_OSPI_MUX_SELECT,
+ select, 0, NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_ospi_mux_select);
+
+/**
* zynqmp_pm_write_ggs() - PM API for writing global general storage (ggs)
* @index: GGS register index
* @value: Register value to be written