linux-kernel - Re: [PATCH 12/19] clk: samsung: exynos5433: Add clocks for CMU

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Date:	Tue, 09 Dec 2014 13:18:24 +0530
From:	Pankaj Dubey <pankaj.dubey@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	kgene.kim@...sung.com, mark.rutland@....com, marc.zyngier@....com,
	arnd@...db.de, olof@...om.net, catalin.marinas@....com,
	will.deacon@....com, s.nawrocki@...sung.com, tomasz.figa@...il.com,
	kyungmin.park@...sung.com, inki.dae@...sung.com,
	chanho61.park@...sung.com, geunsik.lim@...sung.com,
	sw0312.kim@...sung.com, jh80.chung@...sung.com,
	a.kesavan@...sung.com, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 12/19] clk: samsung: exynos5433: Add clocks for CMU_GSCL
 domain

Hi Chanwoo,

On Tuesday 02 December 2014 02:19 PM, Chanwoo Choi wrote:
> This patch adds the divider/gate of CMU_GSCL domain which contains gscaler
> clocks.
>
> Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>
> Cc: Tomasz Figa <tomasz.figa@...il.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> Acked-by: Inki Dae <inki.dae@...sung.com>
> Acked-by: Geunsik Lim <geunsik.lim@...sung.com>
> ---
>   .../devicetree/bindings/clock/exynos5433-clock.txt |   8 ++
>   drivers/clk/samsung/clk-exynos5433.c               | 144 +++++++++++++++++++++
>   include/dt-bindings/clock/exynos5433.h             |  37 +++++-
>   3 files changed, 188 insertions(+), 1 deletion(-)
>

[snip]

>   }
>   CLK_OF_DECLARE(exynos5433_cmu_g3d, "samsung,exynos5433-cmu-g3d",
>   		exynos5433_cmu_g3d_init);
> +
> +/*
> + * Register offset definitions for CMU_GSCL
> + */
> +#define MUX_SEL_GSCL				0x0200
> +#define MUX_ENABLE_GSCL				0x0300
> +#define	MUX_STAT_GSCL				0x0400
> +#define	ENABLE_ACLK_GSCL			0x0800
> +#define	ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0	0x0804
> +#define	ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1	0x0808
> +#define	ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2	0x080c
> +#define	ENABLE_PCLK_GSCL			0x0900
> +#define	ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0	0x0904
> +#define	ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1	0x0908
> +#define	ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2	0x090c
> +#define	ENABLE_IP_GSCL0				0x0b00
> +#define	ENABLE_IP_GSCL1				0x0b04
> +#define	ENABLE_IP_GSCL_SECURE_SMMU_GSCL0	0x0b08
> +#define	ENABLE_IP_GSCL_SECURE_SMMU_GSCL1	0x0b0c
> +#define	ENABLE_IP_GSCL_SECURE_SMMU_GSCL2	0x0b10
> +

nit: tabspace after #define should be changed to one whitespace.

> +static unsigned long gscl_clk_regs[] __initdata = {
> +	MUX_SEL_GSCL,
> +	MUX_ENABLE_GSCL,
> +	MUX_STAT_GSCL,
> +	ENABLE_ACLK_GSCL,
> +	ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0,
> +	ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1,
> +	ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2,
> +	ENABLE_PCLK_GSCL,
> +	ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0,
> +	ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1,
> +	ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2,
> +	ENABLE_IP_GSCL0,
> +	ENABLE_IP_GSCL1,
> +	ENABLE_IP_GSCL_SECURE_SMMU_GSCL0,
> +	ENABLE_IP_GSCL_SECURE_SMMU_GSCL1,
> +	ENABLE_IP_GSCL_SECURE_SMMU_GSCL2,
> +};
> +
> +/* list of all parent clock list */
> +PNAME(aclk_gscl_111_user_p)	= { "fin_pll", "aclk_gscl_111", };
> +PNAME(aclk_gscl_333_user_p)	= { "fin_pll", "aclk_gscl_333", };
> +
> +static struct samsung_mux_clock gscl_mux_clks[] __initdata = {
> +	/* MUX_SEL_GSCL */
> +	MUX(CLK_MOUT_ACLK_GSCL_111_USER, "mout_aclk_gscl_111_user",
> +			aclk_gscl_111_user_p, MUX_SEL_GSCL, 4, 1),
> +	MUX(CLK_MOUT_ACLK_GSCL_333_USER, "mout_aclk_gscl_333_user",
> +			aclk_gscl_333_user_p, MUX_SEL_GSCL, 4, 1),

aclk_gscl_333_user mux clock has a shift of '0'.

> +};
> +

Thanks,
Pankaj Dubey
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