diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2017-05-05 23:26:11 +0800 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-06-19 19:02:44 -0700 |
| commit | 567bf2ed86d13aecfb7d3c1ab75166193ce37213 (patch) | |
| tree | edb90ebcfaedaf31aba4afb4718916ab08bb9abf /drivers/clk | |
| parent | 43ed50ee5a181fcfbdeb7566f5e8122bad182889 (diff) | |
| download | blackbird-obmc-linux-567bf2ed86d13aecfb7d3c1ab75166193ce37213.tar.gz blackbird-obmc-linux-567bf2ed86d13aecfb7d3c1ab75166193ce37213.zip | |
clk: mediatek: export cpu multiplexer clock for MT8173 SoCs
The patch enables CPU multiplexer clock on MT8173 SoC which fixes up
cpufreq driver fails at acquiring intermediate clock source when driver
probe is called.
Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8173.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 0ac3aee87726..96c292c3e440 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -18,6 +18,7 @@ #include "clk-mtk.h" #include "clk-gate.h" +#include "clk-cpumux.h" #include <dt-bindings/clock/mt8173-clk.h> @@ -525,6 +526,25 @@ static const char * const i2s3_b_ck_parents[] __initconst = { "apll2_div5" }; +static const char * const ca53_parents[] __initconst = { + "clk26m", + "armca7pll", + "mainpll", + "univpll" +}; + +static const char * const ca57_parents[] __initconst = { + "clk26m", + "armca15pll", + "mainpll", + "univpll" +}; + +static const struct mtk_composite cpu_muxes[] __initconst = { + MUX(CLK_INFRA_CA53SEL, "infra_ca53_sel", ca53_parents, 0x0000, 0, 2), + MUX(CLK_INFRA_CA57SEL, "infra_ca57_sel", ca57_parents, 0x0000, 2, 2), +}; + static const struct mtk_composite top_muxes[] __initconst = { /* CLK_CFG_0 */ MUX(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3), @@ -948,6 +968,9 @@ static void __init mtk_infrasys_init(struct device_node *node) clk_data); mtk_clk_register_factors(infra_divs, ARRAY_SIZE(infra_divs), clk_data); + mtk_clk_register_cpumuxes(node, cpu_muxes, ARRAY_SIZE(cpu_muxes), + clk_data); + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", |
