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Message-Id: <20211121232741.6967-2-semen.protsenko@linaro.org>
Date: Mon, 22 Nov 2021 01:27:36 +0200
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Sylwester Nawrocki <s.nawrocki@...sung.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
Tomasz Figa <tomasz.figa@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Stephen Boyd <sboyd@...nel.org>,
Michael Turquette <mturquette@...libre.com>
Cc: David Virag <virag.david003@...il.com>,
Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-samsung-soc@...r.kernel.org
Subject: [PATCH 1/6] dt-bindings: clock: Add bindings for Exynos850 CMU_APM
CMU_APM generates clocks for APM IP-core (Active Power Management). In
particular it generates RTC clocks, which are needed to enable rtc-s3c
driver on Exynos850 SoC.
Add clock indices and binding documentation for CMU_APM.
Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
---
.../clock/samsung,exynos850-clock.yaml | 19 ++++++++++++
include/dt-bindings/clock/exynos850.h | 29 ++++++++++++++++++-
2 files changed, 47 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
index 7f8c91a29b91..5618cfa62f80 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
@@ -32,6 +32,7 @@ properties:
compatible:
enum:
- samsung,exynos850-cmu-top
+ - samsung,exynos850-cmu-apm
- samsung,exynos850-cmu-core
- samsung,exynos850-cmu-dpu
- samsung,exynos850-cmu-hsi
@@ -68,6 +69,24 @@ allOf:
items:
- const: oscclk
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: samsung,exynos850-cmu-apm
+
+ then:
+ properties:
+ clocks:
+ items:
+ - description: External reference clock (26 MHz)
+ - description: CMU_APM bus clock (from CMU_TOP)
+
+ clock-names:
+ items:
+ - const: oscclk
+ - const: dout_clkcmu_apm_bus
+
- if:
properties:
compatible:
diff --git a/include/dt-bindings/clock/exynos850.h b/include/dt-bindings/clock/exynos850.h
index 8999184f94a2..df3978b58304 100644
--- a/include/dt-bindings/clock/exynos850.h
+++ b/include/dt-bindings/clock/exynos850.h
@@ -55,7 +55,34 @@
#define CLK_GOUT_PERI_BUS 43
#define CLK_GOUT_PERI_UART 44
#define CLK_GOUT_PERI_IP 45
-#define TOP_NR_CLK 46
+#define CLK_MOUT_CLKCMU_APM_BUS 46
+#define CLK_DOUT_CLKCMU_APM_BUS 47
+#define CLK_GOUT_CLKCMU_APM_BUS 48
+#define TOP_NR_CLK 49
+
+/* CMU_APM */
+#define CLK_RCO_I3C_PMIC 1
+#define OSCCLK_RCO_APM 2
+#define CLK_RCO_APM__ALV 3
+#define CLK_DLL_DCO 4
+#define CLK_MOUT_APM_BUS_USER 5
+#define CLK_MOUT_RCO_APM_I3C_USER 6
+#define CLK_MOUT_RCO_APM_USER 7
+#define CLK_MOUT_DLL_USER 8
+#define CLK_MOUT_CLKCMU_CHUB_BUS 9
+#define CLK_MOUT_APM_BUS 10
+#define CLK_MOUT_APM_I3C 11
+#define CLK_DOUT_CLKCMU_CHUB_BUS 12
+#define CLK_DOUT_APM_BUS 13
+#define CLK_DOUT_APM_I3C 14
+#define CLK_GOUT_CLKCMU_CMGP_BUS 15
+#define CLK_GOUT_CLKCMU_CHUB_BUS 16
+#define CLK_GOUT_RTC_PCLK 17
+#define CLK_GOUT_TOP_RTC_PCLK 18
+#define CLK_GOUT_I3C_PCLK 19
+#define CLK_GOUT_I3C_SCLK 20
+#define CLK_GOUT_SPEEDY_PCLK 21
+#define APM_NR_CLK 22
/* CMU_HSI */
#define CLK_MOUT_HSI_BUS_USER 1
--
2.30.2
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