diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2017-05-05 23:26:10 +0800 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-06-19 19:02:44 -0700 |
| commit | 43ed50ee5a181fcfbdeb7566f5e8122bad182889 (patch) | |
| tree | 6af469e8a6dd0a6c4b46611cca7853f28377a4f7 /drivers/clk | |
| parent | 1e17de9049da5ef482ec8f6a875a83bec96bed3e (diff) | |
| download | linux-43ed50ee5a181fcfbdeb7566f5e8122bad182889.tar.bz2 | |
clk: mediatek: export cpu multiplexer clock for MT2701/MT7623 SoCs
The patch enables CPU multiplexer clock on MT2701/MT7623 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-mt2701.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 6f26e6a37a6b..9598889f972b 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -20,6 +20,7 @@ #include "clk-mtk.h" #include "clk-gate.h" +#include "clk-cpumux.h" #include <dt-bindings/clock/mt2701-clk.h> @@ -493,6 +494,10 @@ static const char * const cpu_parents[] = { "mmpll" }; +static const struct mtk_composite cpu_muxes[] __initconst = { + MUX(CLK_INFRA_CPUSEL, "infra_cpu_sel", cpu_parents, 0x0000, 2, 2), +}; + static const struct mtk_composite top_muxes[] = { MUX_GATE_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3, 7, CLK_IS_CRITICAL), @@ -759,6 +764,9 @@ static void mtk_infrasys_init_early(struct device_node *node) mtk_clk_register_factors(infra_fixed_divs, ARRAY_SIZE(infra_fixed_divs), infra_clk_data); + mtk_clk_register_cpumuxes(node, cpu_muxes, ARRAY_SIZE(cpu_muxes), + infra_clk_data); + r = of_clk_add_provider(node, of_clk_src_onecell_get, infra_clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", |