[PATCH 4/4] ARM: shmobile: r8a73a4: add Z2 clock support
Simon Horman
horms at verge.net.au
Thu Jun 27 03:16:40 EDT 2013
On Fri, Jun 21, 2013 at 09:10:38AM +0200, Guennadi Liakhovetski wrote:
> The Z2 clock on r8a73a4 is used to clock the 4 Cortex A7 cores on the SoC.
> Add a definition for this clock to later use it from the arm_big_little
> CPUFreq driver.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas at gmail.com>
Thanks, I have queued this up for v3.12 in the soc branch.
> ---
> arch/arm/mach-shmobile/clock-r8a73a4.c | 17 +++++++++++++++++
> 1 files changed, 17 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c
> index 508cb1e..b717e98 100644
> --- a/arch/arm/mach-shmobile/clock-r8a73a4.c
> +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c
> @@ -324,6 +324,21 @@ static struct clk z_clk = {
> .ops = &zclk_ops,
> };
>
> +/*
> + * It seems only 1/2 divider is usable in manual mode. 1/2 / 2/3
> + * switching is only available in auto-DVFS mode
> + */
> +SH_FIXED_RATIO_CLK(pll0_div2_clk, pll0_clk, div2);
> +
> +static struct clk z2_clk = {
> + .parent = &pll0_div2_clk,
> + .div_mask = 0x1f,
> + .enable_bit = 0,
> + /* We'll need to access FRQCRB and FRQCRC */
> + .enable_reg = (void __iomem *)FRQCRB,
> + .ops = &zclk_ops,
> +};
> +
> static struct clk *main_clks[] = {
> &extalr_clk,
> &extal1_clk,
> @@ -342,6 +357,8 @@ static struct clk *main_clks[] = {
> &pll2s_clk,
> &pll2h_clk,
> &z_clk,
> + &pll0_div2_clk,
> + &z2_clk,
> };
>
> /* DIV4 */
> --
> 1.7.2.5
>
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