[PATCH 3/6] dt-bindings: clock: Add bindings for Exynos850 CMU_CMGP
From: Sam Protsenko <semen.protsenko@linaro.org>
Date: 2021-11-21 23:27:53
Also in:
linux-arm-kernel, linux-clk, linux-samsung-soc, lkml
Subsystem:
common clk framework, open firmware and flattened device tree bindings, samsung exynos850 soc support, samsung soc clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sam Protsenko, Sylwester Nawrocki, Chanwoo Choi, Peter Griffin, Linus Torvalds
CMU_CMGP generates USI and ADC clocks for BLK_ALIVE. In particular USI clocks are needed for HSI2C_3 and HSI2C_4 instances. Add clock indices and bindings documentation for CMU_CMGP domain. Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org> Reviewed-by: Krzysztof Kozlowski <redacted> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> --- .../clock/samsung,exynos850-clock.yaml | 19 +++++++++++++++++++ include/dt-bindings/clock/exynos850.h | 17 +++++++++++++++++ 2 files changed, 36 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
index 5618cfa62f80..80ba60838f2b 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml@@ -33,6 +33,7 @@ properties: enum: - samsung,exynos850-cmu-top - samsung,exynos850-cmu-apm + - samsung,exynos850-cmu-cmgp - samsung,exynos850-cmu-core - samsung,exynos850-cmu-dpu - samsung,exynos850-cmu-hsi
@@ -87,6 +88,24 @@ allOf: - const: oscclk - const: dout_clkcmu_apm_bus + - if: + properties: + compatible: + contains: + const: samsung,exynos850-cmu-cmgp + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: CMU_CMGP bus clock (from CMU_APM) + + clock-names: + items: + - const: oscclk + - const: gout_clkcmu_cmgp_bus + - if: properties: compatible:
diff --git a/include/dt-bindings/clock/exynos850.h b/include/dt-bindings/clock/exynos850.h
index df3978b58304..8aa5e82af0d3 100644
--- a/include/dt-bindings/clock/exynos850.h
+++ b/include/dt-bindings/clock/exynos850.h@@ -84,6 +84,23 @@ #define CLK_GOUT_SPEEDY_PCLK 21 #define APM_NR_CLK 22 +/* CMU_CMGP */ +#define CLK_RCO_CMGP 1 +#define CLK_MOUT_CMGP_ADC 2 +#define CLK_MOUT_CMGP_USI0 3 +#define CLK_MOUT_CMGP_USI1 4 +#define CLK_DOUT_CMGP_ADC 5 +#define CLK_DOUT_CMGP_USI0 6 +#define CLK_DOUT_CMGP_USI1 7 +#define CLK_GOUT_CMGP_ADC_S0_PCLK 8 +#define CLK_GOUT_CMGP_ADC_S1_PCLK 9 +#define CLK_GOUT_CMGP_GPIO_PCLK 10 +#define CLK_GOUT_CMGP_USI0_IPCLK 11 +#define CLK_GOUT_CMGP_USI0_PCLK 12 +#define CLK_GOUT_CMGP_USI1_IPCLK 13 +#define CLK_GOUT_CMGP_USI1_PCLK 14 +#define CMGP_NR_CLK 15 + /* CMU_HSI */ #define CLK_MOUT_HSI_BUS_USER 1 #define CLK_MOUT_HSI_MMC_CARD_USER 2
--
2.30.2