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Message-Id: <20250308-kona-bus-clock-v3-4-d6fb5bfc3b67@gmail.com>
Date: Sat, 08 Mar 2025 08:50:42 +0100
From: Artur Weber <aweber.kernel@...il.com>
To: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Alex Elder <elder@...nel.org>,
Stanislav Jakubek <stano.jakubek@...il.com>, linux-clk@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
~postmarketos/upstreaming@...ts.sr.ht,
Artur Weber <aweber.kernel@...il.com>
Subject: [PATCH v3 4/9] dt-bindings: clock: brcm,kona-ccu: Add BCM281xx bus
clocks
Add bus clocks corresponding to peripheral clocks currently supported
by the BCM281xx clock driver and add the relevant clock IDs to the
clock/bcm281xx.h dt-bindings header.
Signed-off-by: Artur Weber <aweber.kernel@...il.com>
---
Changes in v3:
- Add more clock output names to example
- Drop CLOCK_COUNT defines from the DT binding header
Changes in v2:
- Add this commit (BCM281xx bus clocks)
---
.../devicetree/bindings/clock/brcm,kona-ccu.yaml | 33 ++++++++++++++++++++--
include/dt-bindings/clock/bcm281xx.h | 19 +++++++++++++
2 files changed, 50 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/brcm,kona-ccu.yaml b/Documentation/devicetree/bindings/clock/brcm,kona-ccu.yaml
index dff04e24e92829b890bf7cd336f0e083bdb30fa6..d00dcf916b45904177614c6f19a5df02abdf42f7 100644
--- a/Documentation/devicetree/bindings/clock/brcm,kona-ccu.yaml
+++ b/Documentation/devicetree/bindings/clock/brcm,kona-ccu.yaml
@@ -40,7 +40,7 @@ properties:
clock-output-names:
minItems: 1
- maxItems: 14
+ maxItems: 20
required:
- compatible
@@ -61,6 +61,8 @@ allOf:
- const: hub_timer
- const: pmu_bsc
- const: pmu_bsc_var
+ - const: hub_timer_apb
+ - const: pmu_bsc_apb
- if:
properties:
compatible:
@@ -86,6 +88,13 @@ allOf:
- const: usb_ic
- const: hsic2_48m
- const: hsic2_12m
+ - const: sdio1_ahb
+ - const: sdio2_ahb
+ - const: sdio3_ahb
+ - const: sdio4_ahb
+ - const: usb_ic_ahb
+ - const: hsic2_ahb
+ - const: usb_otg_ahb
- if:
properties:
compatible:
@@ -116,6 +125,16 @@ allOf:
- const: bsc2
- const: bsc3
- const: pwm
+ - const: uartb_apb
+ - const: uartb2_apb
+ - const: uartb3_apb
+ - const: uartb4_apb
+ - const: ssp0_apb
+ - const: ssp2_apb
+ - const: bsc1_apb
+ - const: bsc2_apb
+ - const: bsc3_apb
+ - const: pwm_apb
- if:
properties:
compatible:
@@ -190,6 +209,16 @@ examples:
"bsc1",
"bsc2",
"bsc3",
- "pwm";
+ "pwm",
+ "uartb_apb",
+ "uartb2_apb",
+ "uartb3_apb",
+ "uartb4_apb",
+ "ssp0_apb",
+ "ssp2_apb",
+ "bsc1_apb",
+ "bsc2_apb",
+ "bsc3_apb",
+ "pwm_apb";
};
...
diff --git a/include/dt-bindings/clock/bcm281xx.h b/include/dt-bindings/clock/bcm281xx.h
index 0c7a7e10cb425ddb597392939cb218545a48bf22..8e3ac4ab3e16fb33a82259ccb82287fdfbb749bc 100644
--- a/include/dt-bindings/clock/bcm281xx.h
+++ b/include/dt-bindings/clock/bcm281xx.h
@@ -33,6 +33,8 @@
#define BCM281XX_AON_CCU_HUB_TIMER 0
#define BCM281XX_AON_CCU_PMU_BSC 1
#define BCM281XX_AON_CCU_PMU_BSC_VAR 2
+#define BCM281XX_AON_CCU_HUB_TIMER_APB 3
+#define BCM281XX_AON_CCU_PMU_BSC_APB 4
/* hub CCU clock ids */
@@ -47,6 +49,13 @@
#define BCM281XX_MASTER_CCU_USB_IC 4
#define BCM281XX_MASTER_CCU_HSIC2_48M 5
#define BCM281XX_MASTER_CCU_HSIC2_12M 6
+#define BCM281XX_MASTER_CCU_SDIO1_AHB 7
+#define BCM281XX_MASTER_CCU_SDIO2_AHB 8
+#define BCM281XX_MASTER_CCU_SDIO3_AHB 9
+#define BCM281XX_MASTER_CCU_SDIO4_AHB 10
+#define BCM281XX_MASTER_CCU_USB_IC_AHB 11
+#define BCM281XX_MASTER_CCU_HSIC2_AHB 12
+#define BCM281XX_MASTER_CCU_USB_OTG_AHB 13
/* slave CCU clock ids */
@@ -60,5 +69,15 @@
#define BCM281XX_SLAVE_CCU_BSC2 7
#define BCM281XX_SLAVE_CCU_BSC3 8
#define BCM281XX_SLAVE_CCU_PWM 9
+#define BCM281XX_SLAVE_CCU_UARTB_APB 10
+#define BCM281XX_SLAVE_CCU_UARTB2_APB 11
+#define BCM281XX_SLAVE_CCU_UARTB3_APB 12
+#define BCM281XX_SLAVE_CCU_UARTB4_APB 13
+#define BCM281XX_SLAVE_CCU_SSP0_APB 14
+#define BCM281XX_SLAVE_CCU_SSP2_APB 15
+#define BCM281XX_SLAVE_CCU_BSC1_APB 16
+#define BCM281XX_SLAVE_CCU_BSC2_APB 17
+#define BCM281XX_SLAVE_CCU_BSC3_APB 18
+#define BCM281XX_SLAVE_CCU_PWM_APB 19
#endif /* _CLOCK_BCM281XX_H */
--
2.48.1
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