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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-08-30 14:54:03 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-02 23:38:02 +0200
commit10653022456dc77b398777fd8e95126c77954b49 (patch)
tree0ca10f1212fa89276d1064b5efd36735d36daf59
parentRevert "serial: 8250_dw: Fix runtime PM handling" (diff)
downloadlinux-10653022456dc77b398777fd8e95126c77954b49.tar.xz
linux-10653022456dc77b398777fd8e95126c77954b49.zip
Revert "serial: sh-sci: Remove SCIx_RZ_SCIFA_REGTYPE"
This reverts commit 7acece71a517cad83a0842a94d94c13f271b680c. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Chris Brandt <chris.brandt@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/sh-sci.c31
-rw-r--r--include/linux/serial_sci.h1
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index ac4424bf6b13..5d42c9a63001 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -292,6 +292,33 @@ static const struct sci_port_params sci_port_params[SCIx_NR_REGTYPES] = {
},
/*
+ * The "SCIFA" that is in RZ/T and RZ/A2.
+ * It looks like a normal SCIF with FIFO data, but with a
+ * compressed address space. Also, the break out of interrupts
+ * are different: ERI/BRI, RXI, TXI, TEI, DRI.
+ */
+ [SCIx_RZ_SCIFA_REGTYPE] = {
+ .regs = {
+ [SCSMR] = { 0x00, 16 },
+ [SCBRR] = { 0x02, 8 },
+ [SCSCR] = { 0x04, 16 },
+ [SCxTDR] = { 0x06, 8 },
+ [SCxSR] = { 0x08, 16 },
+ [SCxRDR] = { 0x0A, 8 },
+ [SCFCR] = { 0x0C, 16 },
+ [SCFDR] = { 0x0E, 16 },
+ [SCSPTR] = { 0x10, 16 },
+ [SCLSR] = { 0x12, 16 },
+ },
+ .fifosize = 16,
+ .overrun_reg = SCLSR,
+ .overrun_mask = SCLSR_ORER,
+ .sampling_rate_mask = SCI_SR(32),
+ .error_mask = SCIF_DEFAULT_ERROR_MASK,
+ .error_clear = SCIF_ERROR_CLEAR,
+ },
+
+ /*
* Common SH-3 SCIF definitions.
*/
[SCIx_SH3_SCIF_REGTYPE] = {
@@ -3110,6 +3137,10 @@ static const struct of_device_id of_sci_match[] = {
.compatible = "renesas,scif-r7s72100",
.data = SCI_OF_DATA(PORT_SCIF, SCIx_SH2_SCIF_FIFODATA_REGTYPE),
},
+ {
+ .compatible = "renesas,scif-r7s9210",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_RZ_SCIFA_REGTYPE),
+ },
/* Family-specific types */
{
.compatible = "renesas,rcar-gen1-scif",
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index c0e795d95477..1c89611e0e06 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -36,6 +36,7 @@ enum {
SCIx_SH4_SCIF_FIFODATA_REGTYPE,
SCIx_SH7705_SCIF_REGTYPE,
SCIx_HSCIF_REGTYPE,
+ SCIx_RZ_SCIFA_REGTYPE,
SCIx_NR_REGTYPES,
};