[PATCH 2/2] bus: brcmstb_gisb: Added support for 74165 register layout

From: Florian Fainelli
Date: Thu Jan 11 2024 - 18:25:00 EST


BCM74165 introduces a new register layout which is different from
previously taped out chips, match the documented compatible and use the
appropriate table of register offsets.

Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
---
drivers/bus/brcmstb_gisb.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c
index b6dfe4340da2..65ae758f3194 100644
--- a/drivers/bus/brcmstb_gisb.c
+++ b/drivers/bus/brcmstb_gisb.c
@@ -96,6 +96,20 @@ static const int gisb_offsets_bcm7400[] = {
[ARB_ERR_CAP_MASTER] = 0x0d8,
};

+static const int gisb_offsets_bcm74165[] = {
+ [ARB_TIMER] = 0x008,
+ [ARB_BP_CAP_CLR] = 0x044,
+ [ARB_BP_CAP_HI_ADDR] = -1,
+ [ARB_BP_CAP_ADDR] = 0x048,
+ [ARB_BP_CAP_STATUS] = 0x058,
+ [ARB_BP_CAP_MASTER] = 0x05c,
+ [ARB_ERR_CAP_CLR] = 0x038,
+ [ARB_ERR_CAP_HI_ADDR] = -1,
+ [ARB_ERR_CAP_ADDR] = 0x020,
+ [ARB_ERR_CAP_STATUS] = 0x030,
+ [ARB_ERR_CAP_MASTER] = 0x034,
+};
+
static const int gisb_offsets_bcm7435[] = {
[ARB_TIMER] = 0x00c,
[ARB_BP_CAP_CLR] = 0x014,
@@ -393,6 +407,7 @@ static const struct of_device_id brcmstb_gisb_arb_of_match[] = {
{ .compatible = "brcm,bcm7400-gisb-arb", .data = gisb_offsets_bcm7400 },
{ .compatible = "brcm,bcm7278-gisb-arb", .data = gisb_offsets_bcm7278 },
{ .compatible = "brcm,bcm7038-gisb-arb", .data = gisb_offsets_bcm7038 },
+ { .compatible = "brcm,bcm74165-gisb-arb", .data = gisb_offsets_bcm74165 },
{ },
};

--
2.34.1